EVALUATION KIT AVAILABLE 3.5GHz Downconverter Mixers with Selectable LO Doubler. PART MAX2683EUE MAX2684EUE *Exposed pad TOP VIEW IFOUT+ IFOUT-
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1 -; Rev ; / EVALUATION KIT AVAILABLE.GHz Downconverter Mixers General Description The MAX/MAX are super-high-performance, low-cost downconverter mixers intended for wireless local loop (WLL) and digital microwave radio (DMR) applications in the.ghz to.ghz frequency band. The MAX is optimized for downconversion to IF frequencies between MHz and MHz, and allows both high-side and low-side local oscillator (LO) injection. The MAX is optimized for IF frequencies between MHz and MHz, and allows low-side LO injection. A logic-level control enables an internal frequency doubler on both devices, allowing the external LO source to run at full or half frequency. An internal LO filter reduces LO harmonics and spurious mixing. The MAX/MAX feature an externally adjustable bias control, set with a single resistor, that lets the user trade supply current for linearity to optimize system performance. These devices use a double-balanced Gilbert-cell architecture with single-ended RF and LO inputs and differential open-collector IF output ports. Differential IF ports provide a wideband, flexible interface for either single-ended or differential applications. The MAX/MAX operate from a single +.V to +.V supply. The devices are packaged in an ultrasmall -pin TSSOP-EP package with an exposed paddle for optimum performance at.ghz. Applications Wireless Local Loop (WLL) Digital Microwave Radio (DMR) Wireless Broadband Access.GHz to.ghz RF Frequency Range MHz to MHz IF Frequency Range (MAX) MHz to MHz IF Frequency Range (MAX) Logic-Enabled LO Frequency Doubler Conversion Gain +.db (MAX) +db (MAX) Programmable IIP +dbm to +dbm (MAX) +dbm to +dbm (MAX) +.V to +.V Single-Supply Operation Ultra-Small -Pin TSSOP-EP Package PART MAXEUE MAXEUE *Exposed pad Features Ordering Information TEMP RANGE - C to + C - C to + C PIN-PACKAGE TSSOP-EP* TSSOP-EP* Typical Operating Circuit appears at end of data sheet. MAX/MAX Functional Diagram TOP VIEW Pin Configuration RFIN IFOUT+ IFOUT- V CC BIAS V CC BIAS BIAS LO BUFFER MAX MAX x LO DOUBLER x RFIN ENX LOX LOX MAX MAX IFOUT+ IFOUT- LOX LOX ENX TSSOP-EP Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at ---, or visit Maxim s website at
2 .GHz Downconverter Mixers MAX/MAX ABSOLUTE MAXIMUM RATINGS V CC to...-.v to +.V IFOUT+, IFOUT-, ENX, BIAS to...-.v to (V CC +.V) RFIN Input Power (Ω source)...+dbm LO Input Power (Ω source)...+dbm R BIAS...Ω min Continuous Power Dissipation (T A = + C) -Pin TSSOP-EP (derate.mw/ C above + C)...mW Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. CAUTION! ESD SENSITIVE DEVICE DC ELECTRICAL CHARACTERISTICS Operating Temperature Range...- C to + C Junction Temperature...+ C Storage Temperature Range...- C to+ C Lead Temperature (soldering, s)...+ C (V CC = +.V to +.V; R BIAS =.kω; ENX = ; RFIN, LOX, and LOX are terminated in Ω, no input signal applied; IFOUT+ = IFOUT- = V CC, T A = - C to + C, unless otherwise noted. Typical values are at V CC = +V,.) (Note ) PARAMETER CONDITIONS MIN TYP MAX UNITS Supply Current ma Supply Current Reduction when ENX = V ma LO Doubler is Disabled CC Input Logic Voltage High. V Input Logic Voltage Low. V Input Logic Bias Current - µa AC ELECTRICAL CHARACTERISTICS MAX (MAX/MAX EV kit, V CC = +V, R BIAS =.kω, ENX =, f RF =.GHz, P RF = -dbm, f LOX = MHz, P LO = -dbm, all input/output ports terminated in Ω, IFOUT+ and IFOUT- matched to single-ended Ω load,, unless otherwise noted.) PARAMETER CONDITIONS MIN TYP MAX UNITS RF Frequency Range (Notes, ).. GHz IF Frequency Range (Notes, ) MHz LOX Frequency Range ENX = (Notes, ).. GHz LOX Frequency Range ENX = V CC (Notes, ).. GHz Conversion Gain (Notes, )... db Gain Variation Over Temperature T A = - C to + C (Note ) ±. ±. db Input db Compression Point +. dbm Input Third-Order Intercept Point (Note ) +. dbm Input Second-Order Intercept Point (Note ) + dbm Noise Figure (Note ) db RFIN Input Return Loss (Note ) - db f RFIN = f LO - LOX Leakage at RFIN f RFIN = f LO - dbm ENX = f RFIN = f LO - LOX Leakage at RFIN ENX = V CC,f RFIN = f LO, f LOX =.GHz - dbm
3 .GHz Downconverter Mixers AC ELECTRICAL CHARACTERISTICS MAX (continued) (MAX/MAX EV kit, V CC = +V, R BIAS =.kω, ENX =, f RF =.GHz, P RF = -dbm, f LOX = MHz, P LO = -dbm, all input/output ports terminated in Ω, IFOUT+ and IFOUT- matched to single-ended Ω load,, unless otherwise noted.) PARAMETER CONDITIONS MIN TYP MAX UNITS LOX Leakage at IFOUT+, IFOUT- ENX = f IFOUT = f LO f IFOUT = f LO f IFOUT = f LO LOX Leakage at IFOUT+, IFOUT- ENX = V CC, f IFOUT = f LO, f LOX =.GHz - dbm LOX, LOX Input Return Loss (Note ) - db AC ELECTRICAL CHARACTERISTICS MAX (MAX/MAX EV kit, V CC = +V, R BIAS =.kω, ENX =, f RF =.GHz, P RF = -dbm, f LOX = MHz, P LO = -dbm, all input/output ports terminated in Ω, IFOUT+ and IFOUT- matched to single-ended Ω load,, unless otherwise noted.) PARAMETER CONDITIONS MIN TYP MAX UNITS RF Frequency Range (Notes, ).. GHz IF Frequency Range (Notes, ) MHz LOX Frequency Range LOX = (Notes, ).. GHz LOX Frequency Range LOX = V CC (Notes, ).. GHz Conversion Gain (Notes, ) db Gain Variation Over Temperature and Frequency T A = - C to + C ±. ±. db Input db Compression Point dbm dbm MAX/MAX Input Third-Order Intercept Point (Note ) +. dbm Input Second-Order Intercept Point Noise Figure (Note ). db RFIN Input Return Loss (Note ) - db f RFIN = f LOX - LOX Leakage at RFIN ENX = f RFIN = f LOX - dbm f RFIN = f LOX - LOX Leakage at RFIN ENX = V CC, f RFIN = f LOX, f LOX =.GHz - dbm f RFIN = f LOX - LOX Leakage at IFOUT+, ENX = f RFIN = f IFOUT- LOX - f RFIN = f LOX - dbm LOX Leakage at IFOUT+, IFOUT- ENX = V CC, f IFOUT = f LOX, f LOX =.GHz - dbm LOX, LOX Input Return Loss (Note ) - db Note : Note : Note : (Note ) + dbm Limits over temperature are guaranteed by production test at + C and via correlation to worst-case temperature testing. Minimum and maximum limits are guaranteed by design and characterization, but are not production tested. The device has been characterized over the specified frequency range. Operation outside of this range is possible but not guaranteed.
4 .GHz Downconverter Mixers MAX/MAX Note : Conversion gain does not include output balun losses, typically.db at MHz on the MAX EV kit and.db at MHz on the MAX EV kit. Note : IIP measured with two tones at MHz and MHz, -dbm per tone, f IF = MHz. Note : IIP measured with f RFIN = MHz, P RFIN = -dbm, f IF = MHz. Note : Input match optimized for best return loss at f RF = MHz. Note : Over specified RF input frequency range with matching network. Note : Over specified LO input frequency range. Note : IIP measured with two tones at MHz and MHz, -dbm per tone, f IF = MHz. Note : IIP measured with f RFIN = MHz, P RFIN = -dbm, f IF = MHz. Typical Operating Characteristics (MAX/MAX EV kit, V CC = +V, R BIAS =.kω, ENX =, f RF =.GHz, P RF = -dbm, f LOX = MHz for MAX or f LOX = MHz for MAX, P LO = -dbm, all input/output ports terminated in Ω, IFOUT+ and IFOUT- matched to single-ended Ω load,, unless otherwise noted.) MAX SUPPLY CURRENT (ma) SUPPLY CURRENT vs. SUPPLY VOLTAGE (ENX = ) R BIAS = Ω R BIAS =.kω R BIAS =.kω T A = - C MAX/ toc SUPPLY CURRENT (ma) SUPPLY CURRENT vs. SUPPLY VOLTAGE (ENX = V CC ) R BIAS = Ω R BIAS =.kω R BIAS =.kω T A = - C MAX/ toc SUPPLY CURRENT (ma) SUPPLY CURRENT vs. R BIAS V CC = +.V V CC = +V ENX = ENX = V CC V CC = +.V R BIAS (Ω) V CC = +V MAX/ toc.... CONVERSION GAIN vs. R BIAS V CC = +V V CC = +.V MAX toc INPUT IP (dbm) V CC = +V V CC = +.V INPUT IP vs. R BIAS MAX/ toc INPUT PdB (dbm) - V CC = +.V INPUT PdB vs. R BIAS V CC = +V MAX toc. -. R BIAS (Ω) R BIAS (Ω) - R BIAS (Ω)
5 .GHz Downconverter Mixers Typical Operating Characteristics (continued) (MAX/MAX EV kit, V CC = +V, R BIAS =.kω, ENX =, f RF =.GHz, P RF = -dbm, f LOX = MHz for MAX or f LOX = MHz for MAX, P LO = -dbm, all input/output ports terminated in Ω, IFOUT+ and IFOUT- matched to single-ended Ω load,, unless otherwise noted.) MAX CONVERSION GAIN vs. LO POWER (ENX = ) T A = - C LO POWER (dbm) CONVERSION GAIN vs. SUPPLY VOLTAGE (R BIAS = Ω) T A = - C MAX toc MAX toc CONVERSION GAIN vs. LO POWER (ENX = V CC ) T A = - C LO POWER (dbm) CONVERSION GAIN vs. SUPPLY VOLTAGE (R BIAS =.kω) T A = - C MAX toc MAX toc NOSIE FIGURE (db) NOISE FIGURE vs. LO POWER LO POWER (dbm) CONVERSION GAIN vs. SUPPLY VOLTAGE (R BIAS = kω) MAX toc MAX toc MAX/MAX T A = - C ENX = V CC ENX = INPUT IP vs. SUPPLY VOLTAGE (R BIAS = Ω) INPUT IP vs. SUPPLY VOLTAGE (R BIAS =.kω) INPUT IP vs. SUPPLY VOLTAGE (R BIAS = kω) MAX toc MAX toc MAX toc INPUT IP (dbm) T A = - C INPUT IP (dbm) T A = - C INPUT IP (dbm) T A = - C
6 .GHz Downconverter Mixers MAX/MAX Typical Operating Characteristics (continued) (MAX/MAX EV kit, V CC = +V, R BIAS =.kω, ENX =, f RF =.GHz, P RF = -dbm, f LOX = MHz for MAX or f LOX = MHz for MAX, P LO = -dbm, all input/output ports terminated in Ω, IFOUT+ and IFOUT- matched to single-ended Ω load,, unless otherwise noted.) MAX INPUT PdB (dbm) INPUT PdB vs. SUPPLY VOLTAGE (R BIAS = Ω) T A = - C CONVERSION GAIN vs. RF FREQUENCY (R BIAS =.kω) ENX = V CC ENX = RF FREQUENCY (MHz) - T A = - C MAX toc MAX toc INPUT PdB (dbm) - - LOX PORT RETURN LOSS vs. LO FREQUENCY (ENX = ) INPUT PdB vs. SUPPLY VOLTAGE (R BIAS =.kω) T A = - C CONVERSION GAIN vs. FREQUENCY (ENX = ) T A = - C IF PORT NARROWBAND MATCH AT MHz IF FREQUENCY (MHz) MAX toc - MAX toc MAX toc INPUT PdB (dbm) INPUT PdB vs. SUPPLY VOLTAGE (R BIAS = kω) T A = - C CONVERSION GAIN vs. IF FREQUENCY (ENX = V CC ) T A = - C IF PORT NARROWBAND MATCH AT MHz IF FREQUENCY (MHz) LOX PORT RETURN LOSS vs. LO FREQUENCY (ENX = V CC ) MAX toc MAX toc MAX toc RETURN LOSS (db) - - RETURN LOSS (db) LO FREQUENCY (MHz) LO FREQUENCY (MHz)
7 .GHz Downconverter Mixers Typical Operating Characteristics (continued) (MAX/MAX EV kit, V CC = +V, R BIAS =.kω, ENX =, f RF =.GHz, P RF = -dbm, f LOX = MHz for MAX or f LOX = MHz for MAX, P LO = -dbm, all input/output ports terminated in Ω, IFOUT+ and IFOUT- matched to single-ended Ω load,, unless otherwise noted.) Ω.kΩ LOX S vs. R BIAS (ENX = V CC ) kω MAX LOX S vs. R BIAS (ENX = ).kω, kω, Ω MAX/MAX MAX IF PORT S vs. R BIAS MAX RFIN S vs. R BIAS.kΩ, kω, kω kω,.kω, kω
8 .GHz Downconverter Mixers MAX/MAX Typical Operating Characteristics (continued) (MAX/MAX EV kit, V CC = +V, R BIAS =.kω, ENX =, f RF =.GHz, P RF = -dbm, f LOX = MHz for MAX or f LOX = MHz for MAX, P LO = -dbm, all input/output ports terminated in Ω, IFOUT+ and IFOUT- matched to single-ended Ω load,, unless otherwise noted.) MAX SUPPLY CURRENT (ma) SUPPLY CURRENT vs. SUPPLY VOLTAGE (ENX = ) R BIAS = Ω R BIAS =.kω R BIAS =.kω T A = - C MAX/ toc SUPPLY CURRENT (ma) SUPPLY CURRENT vs. SUPPLY VOLTAGE (ENX = V CC ) R BIAS = Ω R BIAS =.kω R BIAS =.kω T A = - C MAX/ toc SUPPLY CURRENT (ma) SUPPLY CURRENT vs. R BIAS V CC = +.V V CC = +V ENX = V CC ENX = R BIAS (Ω) V CC = +.V V CC = +V MAX/ toc CONVERSION GAIN vs. R BIAS V CC = +V V CC = +.V MAX/ toc INPUT IP (dbm) V CC = +V V CC = +.V INPUT IP vs. R BIAS MAX/ toc INPUT PdB (dbm) - - V CC = +V INPUT PdB vs. R BIAS V CC = +.V MAX/ toc - -. R BIAS (Ω) R BIAS (Ω) - R BIAS (Ω) CONVERSION GAIN vs. LO POWER (ENX = ) T A = - C MAX toc CONVERSION GAIN vs. LO POWER (ENX = V CC ) T A = - C MAX toc NOISE FIGURE vs. LO POWER MAX toc NOISE FIGURE (db) LO POWER (dbm) LO POWER (dbm) LO POWER (dbm)
9 .GHz Downconverter Mixers Typical Operating Characteristics (continued) (MAX/MAX EV kit, V CC = +V, R BIAS =.kω, ENX =, f RF =.GHz, P RF = -dbm, f LOX = MHz for MAX or f LOX = MHz for MAX, P LO = -dbm, all input/output ports terminated in Ω, IFOUT+ and IFOUT- matched to single-ended Ω load,, unless otherwise noted.) INPUT IP (dbm) INPUT PdB (dbm) CONVERSION GAIN vs. SUPPLY VOLTAGE (R BIAS = Ω) T A = - C INPUT IP vs. SUPPLY VOLTAGE (R BIAS = Ω) T A = - C INPUT PdB vs. SUPPLY VOLTAGE (R BIAS = Ω) T A = - C MAX toc MAX toc MAX toc INPUT IP (dbm) INPUT PdB (dbm) CONVERSION GAIN vs SUPPLY VOLTAGE (R BIAS =.kω) T A = - C ENX = V CC ENX = INPUT IP vs. SUPPLY VOLTAGE (R BIAS =.kω) MAX T A = - C INPUT PdB vs. SUPPLY VOLTAGE (R BIAS =.kω) T A = - C MAX toc MAX toc MAX toc INPUT IP (dbm) INPUT PdB (dbm) CONVERSION GAIN vs. SUPPLY VOLTAGE (R BIAS = kω) T A = - C INPUT IP vs. SUPPLY VOLTAGE (R BIAS = kω) T A = -+ C T A = - C INPUT PdB vs. SUPPLY VOLTAGE (R BIAS = kω) T A = - C MAX toc MAX toc MAX toc MAX/MAX
10 .GHz Downconverter Mixers MAX/MAX Typical Operating Characteristics (continued) (MAX/MAX EV kit, V CC = +V, R BIAS =.kω, ENX =, f RF =.GHz, P RF = -dbm, f LOX = MHz for MAX or f LOX = MHz for MAX, P LO = -dbm, all input/output ports terminated in Ω, IFOUT+ and IFOUT- matched to single-ended Ω load,, unless otherwise noted.) MAX CONVERSION GAIN vs. RF FREQUENCY (ENX = ) T A = - C RF FREQUENCY (MHz) MAX toc CONVERSION GAIN vs. RF FREQUENCY (ENX = V CC ) T A = - C RF FREQUENCY (MHz) MAX toc CONVERSION GAIN vs. IF FREQUENCY (ENX = ) T A = - C IF FREQUENCY (MHz) MAX toc CONVERSION GAIN vs. IF FREQUENCY (ENX = V CC ) T A = - C MAX toc - LOX PORT RETURN LOSS vs. LO FREQUENCY MAX toc - LOX PORT RETURN LOSS vs. LO FREQUENCY MAX toc RETURN LOSS (db) RETURN LOSS (db) IF FREQUENCY (MHz) - LO FREQUENCY (MHz) - LO FREQUENCY (MHz) LOX S vs. R BIAS (ENX = V CC ) LOX S vs. R BIAS (ENX = ).kω, kω, Ω.kΩ, kω, Ω
11 .GHz Downconverter Mixers Typical Operating Characteristics (continued) (MAX/MAX EV kit, V CC = +V, R BIAS =.kω, ENX =, f RF =.GHz, P RF = -dbm, f LOX = MHz for MAX or f LOX = MHz for MAX, P LO = -dbm, all input/output ports terminated in Ω, IFOUT+ and IFOUT- matched to single-ended Ω load,, unless otherwise noted.) IF PORT S vs. R BIAS.kΩ, kω, kω MAX RFIN S vs. R BIAS kω,.kω, kω MAX/MAX Pin Description PIN NAME FUNCTION V CC Supply Voltage Input. Bypass with a pf capacitor as close to the pin as possible.,,,,,,,, EP RFIN ENX LOX LOX, IFOUT-, IFOUT+ BIAS Ground. Connect to ground plane with a low-inductance connection. Solder exposed paddle evenly to the board ground plane. RF Input Port to Mixer. Requires a matching network and a DC-blocking capacitor that may be part of this network. LO Frequency-Doubler Enable Input. Drive low to enable the LO doubler and run external LO at half frequency. Drive high to disable the LO doubler and run external LO at full frequency. Half-Frequency Local-Oscillator Input to LO Frequency Doubler, LO Filter, and Downconverter Mixer. Requires a DC-blocking capacitor. Leave unconnected if this pin is not used. Full-Frequency Local-Oscillator Input to Downconverter Mixer. Requires a DC-blocking capacitor. Leave unconnected if this pin is not used. Differential, Open-Collector IF Output Ports of Mixer. Requires a matching network and pull-up inductors to V CC that can be part of this network. Bias-Setting Resistor Connection. A resistor, R BIAS, placed from BIAS to sets the linearity and supply current of the mixer.
12 .GHz Downconverter Mixers MAX/MAX Table. MAX/MAX RFIN Port S-Parameters (VCC = +V, TA = + C) RF FREQUENCY (MHz) S MAG R BIAS = Ω S PHASE S MAG MAX R BIAS =.kω S PHASE S MAG R BIAS = kω S PHASE MAX Detailed Description The MAX/MAX are double-balanced downconverter mixers optimized for the.ghz to.ghz frequency band. The MAX is designed for downconversion to IF frequencies of MHz to MHz, while the MAX is designed for IF frequencies of MHz to MHz. In addition, the devices include a logic-level LO frequency doubler, an integrated LO filter, and externally programmable bias control circuitry. RF Input RFIN is a single-ended input that accepts frequencies in the.ghz to.ghz range. It requires a matching network and a DC-blocking capacitor that may be part of this network. See Typical Operation Circuit for recommended component values. See Table for RFIN port S-parameters. LO Inputs, LO Frequency Doubler, and LO Filter The MAX/MAX feature an internal LO frequency doubler that allows the external LO to run at full or half frequency. Running the LO at half frequency has the benefit of reducing unwanted LO leakage through the low-noise amplifier (LNA) to the antenna, reducing injection pulling of the voltage-controlled oscillator
13 .GHz Downconverter Mixers Table. MAX LO Port S-Parameters (VCC = +V, TA = + C) LOX FREQUENCY (MHz) LOX (ENX = ) S MAG S PHASE R BIAS = Ω LOX FREQUENCY (MHz) LOX (ENX = V CC ) S MAG S PHASE MAX/MAX R BIAS =.kω R BIAS =.kω (VCO) from the PA, and reducing the demands of designing a high-frequency VCO. An internal LO bandpass filter is integrated after the frequency doubler to help reduce LO harmonic content and spurious mixing. To enable the LO frequency doubler, drive ENX to a logic-low level and connect the half-frequency external LO to the LOX port. To disable and bypass the LO frequency doubler and LO filter, drive ENX to a logichigh level and connect the full-frequency external LO to
14 .GHz Downconverter Mixers MAX/MAX Table. MAX LO Port S-Parameters (VCC = +V, TA = + C) LOX FREQUENCY (MHz) LOX (ENX = ) S MAG S PHASE R BIAS = Ω LOX FREQUENCY (MHz) LOX (ENX = V CC ) S MAG S PHASE R BIAS =.kω R BIAS =.kω the LOX port. Disabling the LO doubler has the benefit of reducing the supply current by ma. See Tables and for the LO input frequency ranges. LOX and LOX are single-ended LO inputs that achieve a return loss of typically -db over the specified LO input frequency range. They are internally biased and require a DC-blocking capacitor. To improve LOX input return loss, use a series inductor between the blocking capacitor and LOX input. See the Typical Operating Circuit for recommended component values. See Tables and for LOX and LOX S-parameters. Leave the unused port unconnected. IF Output The MAX is optimized for IF frequencies in the MHz to MHz range, while the MAX is optimized for IF frequencies in the MHz to MHz range. The differential, open-collector IFOUT- and IFOUT+ ports require external pull-up inductors to V CC,
15 .GHz Downconverter Mixers Table. MAX IFOUT Port S-Parameters (VCC = +V, TA = + C) RF FREQUENCY (MHz) S MAG R BIAS = Ω S PHASE S MAG R BIAS =.kω S PHASE S MAG Table. MAX IFOUT Port S-Parameters (VCC = +V, TA = + C) RF FREQUENCY (MHz) S MAG R BIAS = Ω S PHASE S MAG R BIAS =.kω S PHASE S MAG R BIAS =.kω R BIAS =.kω S PHASE S PHASE MAX/MAX as well as an output matching network for optimum performance. See Typical Operating Circuit for recommended component values. See Tables and for IFOUT port S-parameters. Bias Circuitry The linearity and supply current of the MAX/ MAX are externally programmable with a single resistor, R BIAS, from BIAS to. A nominal resistor value of.kω will set an IIP of +dbm and a supply current of ma. Decreasing the resistor value improves linearity at the cost of increased supply current. Increasing the resistor value decreases supply current while degrading linearity. Use resistor values in the range of kω to kω. Applications Information Layout Considerations A properly designed PC board is an essential part of any RF/microwave circuit. Keep RF signal lines as short as possible to reduce losses, radiation, and inductance. Use separate, low-inductance vias to the ground plane for each ground pin. For best performance, solder the exposed pad on the bottom of the device package evenly to the board ground plane. Power-Supply and ENX Bypassing Proper voltage-supply bypassing is essential for highfrequency circuit stability. Bypass V CC with a µf capacitor in parallel with a pf capacitor located as close to the V CC pin as possible. Bypass ENX with a pf capacitor to ground to minimize noise injected into the LO doubler cell. Use a series resistor (typically.kω) to further reduce coupling of high-frequency signals into the ENX pin.
16 .GHz Downconverter Mixers MAX/MAX LO DOUBLER OFF ENABLE ON RF INPUT V CC µf pf.kω pf HALF-FREQUENCY LO INPUT FULL-FREQUENCY LO INPUT pf.nh pf pf.nh pf V CC RFIN ENX LOX LOX MAX BIAS IFOUT+ IFOUT-.kΩ Typical Operating Circuit R BIAS.kΩ V nh CC nh.pf.pf.µf.pf BALUN MHz IF OUTPUT NOTE: EVENLY SOLDER EXPOSED PAD (EP) ON BOTTOM OF DEVICE TO GROUND PLANE. IFOUT+ V CC.nH.pF MHz IF OUTPUT Ω.nH.µF BALUN IFOUT-.pF MAX IF OUTPUT DIFFERENTIAL TO SINGLE-ENDED CONVERSION NETWORK.
17 .GHz Downconverter Mixers Package Information (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to TSSOP.mm.EPS MAX/MAX Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, San Gabriel Drive, Sunnyvale, CA -- Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.
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19-166; Rev ; 1/ µ µ PART EUP EUP *Exposed paddle. GND DROUT SHDN GND I- I+ GND 1 2 3 4 5 6 7 8 9 BIAS TEMP. RANGE -4 C to +85 C -4 C to +85 C PA DRIVER VGA LO PHASE SHIFTER Σ 9 LO DOUBLER x2 PIN-PACKAGE
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19-482; Rev 0; 4/09 SiGe, High-Linearity, 80MHz to MHz General Description The high-linearity, up/downconversion mixer provides +3dBm input IP3, 7.8dB noise figure (NF), and 7.4dB conversion loss for 80MHz
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19-; Rev 3; 2/1 EVALUATION KIT MANUAL FOLLOWS DATA SHEET 2.7V, Single-Supply, Cellular-Band General Description The // power amplifiers are designed for operation in IS-9-based CDMA, IS-136- based TDMA,
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1-22; Rev ; 1/3 High-Gain Vector Multipliers General Description The MAX4/MAX4/MAX4 low-cost, fully integrated vector multipliers alter the magnitude and phase of an RF signal. Each device is optimized
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19-3533; Rev 0; 1/05 MAX9996 Evaluation Kit General Description The MAX9996 evaluation kit (EV kit) simplifies the evaluation of the MAX9996 UMTS, DCS, and PCS base-station downconversion mixer. It is
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19-1431; Rev 4; 6/05 Direct-Conversion Tuner IC for General Description The low-cost direct-conversion tuner IC is designed for use in digital direct-broadcast satellite (DBS) television set-top box units.
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19-113; Rev 1; 8/3 EVLUTION KIT VILBLE DC-to-Microwave, +V Low-Noise mplifier General Description The is a low-noise amplifier for use from DC to microwave frequencies. Operating from a single +V supply,
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19-215; Rev 6; 9/6 EVALUATION KIT AVAILABLE RF Power Detectors in UCSP General Description The wideband (8MHz to 2GHz) power detectors are ideal for GSM/EDGE (MAX226), TDMA (MAX227), and CDMA (MAX225/MAX228)
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19-2575; Rev 0; 10/02 One-to-Four LVCMOS-to-LVPECL General Description The low-skew, low-jitter, clock and data driver distributes one of two single-ended LVCMOS inputs to four differential LVPECL outputs.
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19-0569; Rev 0; 5/06 MAX2041 Evaluation Kit General Description The MAX2041 evaluation kit (EV kit) simplifies the evaluation of the MAX2041 UMTS, DCS, and PCS base-station up/downconversion mixer. It
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19-3745; Rev 0; 7/05 47MHz to 870MHz Analog CATV General Description The analog transimpedance amplifier (TIA) is designed for CATV applications in fiber-to-the-home (FTTH) networks. This high-linearity
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19-2888; Rev 0; 5/03 General Description The MAX2055 evaluation kit (EV kit) simplifies the evaluation of the MAX2055 high-linearity, digitally controlled, variable-gain analog-to-digital converter (ADC)
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19-1736; Rev 0; 7/00 General Description The are low-noise amplifier (LNA) plus mixer ICs optimized for code-division multiple-access (CDMA) applications in both cellular and PCS bands. The MAX2323 addresses
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19-1627; Rev 3; 6/05 DBS Direct Downconverter General Description The low-cost, direct-conversion tuner IC is designed for use in digital direct-broadcast satellite (DBS) television set-top box units and
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19-2686; Rev 1; 2/04 MAX2027 Evaluation Kit General Description The MAX2027 evaluation kit (EV kit) simplifies the evaluation of the MAX2027 high-linearity, digitally controlled, variable-gain amplifier.
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19-3252; Rev 0; 5/04 270Mbps SFP LED Driver General Description The is a programmable LED driver for fiber optic transmitters operating at data rates up to 270Mbps. The circuit contains a high-speed current
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500 MHz to 1700 MHz, Dual-Balanced Mixer, LO Buffer, IF Amplifier, and RF Balun ADL535 FEATURES FUNCTIONAL BLOCK DIAGRAM RF frequency range of 500 MHz to 1700 MHz IF frequency range of 30 MHz to 450 MHz
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9-3697; Rev 0; 4/05 3-Pin Silicon Oscillator General Description The is a silicon oscillator intended as a low-cost improvement to ceramic resonators, crystals, and crystal oscillator modules as the clock
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19-3472; Rev ; 1/4 Quad SPST Switches General Description The quad single-pole/single-throw (SPST) switch operates from a single +2V to +5.5V supply and can handle signals greater than the supply rail.
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19-2141; Rev ; 8/1 75Ω/Ω/Ω Switchable Termination General Description The MAX346/MAX347/MAX348 are general-purpose line-terminating networks designed to change the termination value of a line, depending
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19-2574; Rev 0; 9/02 MAX4001 Evaluation Kit General Description The MAX4001 evaluation kit (EV kit) is a fully assembled and tested surface-mount circuit board that evaluates the MAX4001 RF-detecting controller
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19-2804; Rev 2; 12/05 5-Pin Watchdog Timer Circuit General Description The is a low-power watchdog circuit in a tiny 5- pin SC70 package. This device improves system reliability by monitoring the system
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19-77; Rev ; 7/4.75Ω, Dual SPDT Audio Switch with General Description The dual, single-pole/double-throw (SPDT) switch operates from a single +2V to +5.5V supply and features rail-to-rail signal handling.
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