WIDEBAND FM IF SEMICONDUCTOR TECHNICAL DATA MAXIMUM RATINGS PIN CONNECTIONS. Figure 1. Representative Block Diagram ORDERING INFORMATION
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1 Order this document by MC3/D The MC3 is a complete wideband FM detector designed for satellite TV and other wideband data and analog FM applications. This device may be cascaded for higher IF gain and extended Receive Signal Strength Indicator () range. 2 MHz Video/Baseband Demodulator Ideal for Wideband Data and Analog FM Systems Limiter for Cascade Operation Low Drain Current:.0 ma Low Supply Voltage: 3.0 to 6.0 V Operates to 300 MHz WIDEBAND FM IF SEMICONDUCTOR TECHNICAL DATA MAXIMUM RATINGS Rating Pin Symbol Value Unit Power Supply Voltage, 4 VEE (max) 6. Vdc Input Voltage, 6 Vin.0 Vrms Junction Temperature TJ +0 C Storage Temperature Range Tstg 6 to +0 C NOTE: Devices should not be operated at or outside these values. The Recommended Operating Conditions provide for actual device operation. 6 D SUFFIX PLASTIC PACKAGE CASE B (SO 6) PIN CONNECTIONS Figure. Representative Block Diagram Input 6 Input Decouple Buffered 3 2 Limiter 0 Decouple VCC Decouple VEE Buffer 2 Input Input 6 Three Stage Amplifier Detector 9 8 Quad Coil VCC2 Limiter Out Quad Coil 6 8 (Top View) 0 9 VEE2 Limiter Out Quad Coil 2 Decouple 4 Balanced s Limiter NOTE: This device requires careful layout and decoupling to ensure stable operation. Device ORDERING INFORMATION Operating Temperature Range Package MC3D TA = 40 to +8 C SO 6 MOTOROLA ANALOG IC DEVICE DATA Motorola, Inc. 996 Rev
2 RECOMMENDED OPERATING CONDITIONS MC3 Rating Pin Symbol Value Unit Power Supply Voltage (TA= 2 C), 4 VEE 3.0 to 6.0 Vdc 40 C TA 8 C 3, 6 VCC Grounded Maximum Input Frequency, 6 fin 300 MHz Ambient Temperature Range TJ 40 to + 8 C DC ELECTRICAL CHARACTERISTICS (TA = 2 C, no input signal.) Characteristic Pin Symbol Min Typ Max Unit Drain Current I ma (VEE =.0 Vdc) 4 I (VEE =.0 Vdc) 4 I Drain Current Total (see Figure 3), 4 ITotal.0. 0 ma (VEE =.0 Vdc) (VEE = 6.0 Vdc) (VEE = 3.0 Vdc) AC ELECTRICAL CHARACTERISTICS (TA = 2 C, fif = 0 MHz, VEE =.0 Vdc Figure 2, unless otherwise noted.) Characteristic Pin Min Typ Max Unit Input for 3 db Limiting Sensitivity, mvrms Differential Detector Voltage (Vin = 0 mvrms) 4, mvp p (fdev = ± 3.0 MHz) (VEE = 6.0 Vdc) (VEE =.0 Vdc) (VEE = 3.0 Vdc) Detector DC Offset Voltage 4, mvdc Slope µa/db Dynamic Range db 2 µa (Vin = 00 µvrms) 2. (Vin =.0 mvrms) 2.4 (Vin = 0 mvrms) (Vin = 00 mvrms) 6 (Vin = 00 mvrms) Buffer Maximum Current (Vin = 0 mvrms) madc Differential Limiter (Vin =.0 mvrms), (Vin = 0 mvrms) 80 Demodulator Video 3.0 db Bandwidth 4, 2 MHz Input Impedance (Figure 4), 0 MHz Rp (VEE =.0 Vdc) 40 0 MHz Cp (C2=C = 00 p) 4.8 pf Differential IF Power Gain,, 0, 6 46 db mvrms NOTE: Positive currents are out of the pins of the device. 2 MOTOROLA ANALOG IC DEVICE DATA
3 MC3 CIRCUIT DESCRIPTION The MC3 consists of a wideband three stage limiting amplifier, a wideband quadrature detector which may be operated up to 200 MHz, and a received signal strength indicator () circuit which provides a current output linearly proportional to the IF input signal level for approximately 3 db range of input level. Figure 2. Test Circuit Vin IN IN DEC DEC2 0n Video 3 4 VCC DETO DETO2 VEE Buffer n.0k 0µ + VEE VEE Limiter VCC2 LIMO QUAD VEE2 LIMO2 QUAD n 330 Limiter 2 0µ + VEE p L L Coilcraft part number 46 09J08S 260n Evaluation PC Board The evaluation PCB shown in Figures 9 and 20 is very versatile and is designed to cascade two ICs. The center section of the board provides an area for attaching all surface mount components to the circuit side and radial leaded components to the component ground side of the PCB (see Figures and 8). Additionally, the peripheral area surrounding the RF core provides pads to add supporting and interface circuitry as a particular application dictates. This evaluation board will be discussed and referenced in this section. Limiting Amplifier Differential input and output ports interfacing the three stage limiting amplifier provide a differential power gain of typically 46 db and useable frequency range of 300 MHz. The IF gain flatness may be controlled by decoupling of the internal feedback network at Pins 2 and. APPLICATIONS INFORMATION Scattering parameter (S parameter) characterization of the IF as a two port linear amplifier is useful to implement maximum stable power gain, input matching, and stability over a desired bandpass response and to ensure stable operation outside the bandpass as well. The MC3 is unconditionally stable over most of its useful operating frequency range; however, it can be made unconditionally stable over its entire operating range with the proper decoupling of Pins 2 and. Relatively small decoupling capacitors of about 00 pf have a significant effect on the wideband response and stability. This is shown in the scattering parameter tables where S parameters are shown for various values of C2 and C and at VEE of 3.0 and.0 Vdc. MOTOROLA ANALOG IC DEVICE DATA 3
4 I and I 4, TOTAL DRAIN CURRENT (madc) I 4 and I Total, DRAIN CURRENT (madc) Figure 3. Drain Current versus Supply Voltage TA = 2 C ITotal = I4 + I.0 Vdc MC3 OUTPUT ( A) 2 µ I, 40 dbm VEE, SUPPLY VOLTAGE ( Vdc) f, FREQUENCY (MHz) Figure. Total Drain Current versus Ambient Temperature and Supply Voltage I4 VEE = 6.0 Vdc 3.0 Vdc TA, AMBIENT TEMPERATURE ( C) TYPICAL PERFORMANCE AT TEMPERATURE (See Figure 2. Test Circuit) DRAIN CURRENT (madc) I 4 and I,. 2. Figure 4. versus Frequency and Input Signal Level 0 dbm 0 dbm 20 dbm 30 dbm VEE =.0Vdc Figure 6. Detector Drain Current and Limiter Drain Current versus Ambient Temperature f = 0 MHz VEE =.0 Vdc I TA, AMBIENT TEMPERATURE ( C) I4 OUTPUT ( µ A) I, Figure. versus Ambient Temperature and Supply Voltage VEE = 6.0 Vdc VEE =.0 Vdc VEE = 3.0 Vdc OUTPUT ( µ A) I, Figure 8. versus Input Signal Voltage (Vin at Temperature) TA = + 8 C +2 C 40 C TA, AMBIENT TEMPERATURE ( C) Vin, INPUT VOLTAGE (mvrms) 4 MOTOROLA ANALOG IC DEVICE DATA
5 MC3 DIFFERENTIAL DETECTOR OUTPUT VOLTAGE (Pins 4, ), (mv pp ) Figure 9. Differential Detector Voltage versus Ambient Temperature and Supply Voltage VEE = 6.0 Vdc 00.0 Vdc Vdc TA, AMBIENT TEMPERATURE ( C) DIFFERENTIAL LIMITER OUTPUT VOLTAGE (Pins, 0), (mvrms) Figure 0. Differential Limiter Voltage versus Ambient Temperature (Vin = and 0 mvrms) f = 0 MHz VEE =.0 Vdc Vin = 0 mvrms TA, AMBIENT TEMPERATURE ( C) Vin =.0 mvrms DIFFERENTIAL DETECTOR OUTPUT (mv pp ) Figure A. Differential Detector Voltage versus Q of Quadrature LC Tank Vin = 30 dbm VEE =.0 Vdc fc = 0 MHz fmod =.0 MHz (Figure 6 no external capacitors between Pins, 8 and 9, 0) Figure. f dev = ± 6.0 MHz ±.0 MHz ± 4.0 MHz ± 3.0 MHz ± 2.0 MHz ±.0 MHz ) DIFFERENTIAL DETECTOR OUTPUT (mv pp Figure B. Differential Detector Voltage versus Q of Quadrature LC Tank 2400 Vin = 30 dbm VEE =.0 Vdc f dev = ± 6.0 MHz 2000 fc = 0 MHz fmod =.0 MHz (Figure 6 no external capacitors ±.0 MHz 600 between Pins, 8 and 9, 0) ± 4.0 MHz 200 ± 3.0 MHz ± 2.0 MHz ±.0 MHz Q OF QUADRATURE LC TANK Q OF QUADRATURE LC TANK OUTPUT VOLTAGE, (Vdc) Figure 2. Voltage versus IF Input VEE =.0 Vdc fc = 0 MHz (See Figure 6) Capacitively coupled interstage: no attenuation IF INPUT, (dbm) db Interstage Attenuator S+N, N (db) Figure 3. S+N, N versus IF Input S+N 40 0 fc = 0 MHz N fmod =.0 MHz 60 fdev = ±.0 MHz VEE =.0 Vdc IF INPUT (dbm) MOTOROLA ANALOG IC DEVICE DATA
6 MC3 In the S parameters measurements, the IF is treated as a two port linear class A amplifier. The IF amplifier is measured with a single ended input and output configuration in which the Pins 6 and are terminated in the series combination of a 4 Ω resistor and a 0 nf capacitor to VCC ground (see Figure 4. S Parameter Test Circuit). The S parameters are in polar form as the magnitude (MAG) and angle (ANG). Also listed in the tables are the calculated values for the stability factor (K) and the Maximum Available Gain (MAG). These terms are related in the following equations: K = ( IS I2 I S22 I2 + I I2 ) / ( 2 I S2 S2 I ) where: I I = I S S22 S2 S2 I. MAG = 0 log I S2 I / I S2 I + 0 log I K ( K2 )/2 I where: K >. The necessary and sufficient conditions for unconditional stability are given as K > : B = + I S I2 I S22 I2 I I2 > 0 Figure 4. S Parameter Test Circuit IF Input SMA C2 2 IN DEC IN2 DEC2 6 C 4 3 VCC VEE 4 VEE 4 DETO Buffer 3 00n 0µ + DETO VCC2 LIMO QUAD VEE2 LIMO2 QUAD2 0 9 SMA IF 6 MOTOROLA ANALOG IC DEVICE DATA
7 MC3 S Parameters (VEE =.0 Vdc, TA = 2 C, C2 and C = 0 pf) Frequency Input S Forward S2 Rev S2 S22 K MAG MHz MAG ANG MAG ANG MAG ANG MAG ANG MAG db S Parameters (VEE =.0 Vdc, TA = 2 C, C2 and C = 00 pf) Frequency Input S Forward S2 Rev S2 S22 K MAG MHz MAG ANG MAG ANG MAG ANG MAG ANG MAG db MOTOROLA ANALOG IC DEVICE DATA
8 MC3 S Parameters (VEE =.0 Vdc, TA = 2 C, C2 and C = 680 pf) Frequency Input S Forward S2 Rev S2 S22 K MAG MHz MAG ANG MAG ANG MAG ANG MAG ANG MAG db S Parameters (VEE = 3.0 Vdc, TA = 2 C, C2 and C = 0 pf) Frequency Input S Forward S2 Rev S2 S22 K MAG MHz MAG ANG MAG ANG MAG ANG MAG ANG MAG db MOTOROLA ANALOG IC DEVICE DATA
9 MC3 S Parameters (VEE = 3.0 Vdc, TA = 2 C, C2 and C = 00 pf) Frequency Input S Forward S2 Rev S2 S22 K MAG MHz MAG ANG MAG ANG MAG ANG MAG ANG MAG db S Parameters (VEE = 3.0 Vdc, TA = 2 C, C2 and C = 680 pf) Frequency Input S Forward S2 Rev S2 S22 K MAG MHz MAG ANG MAG ANG MAG ANG MAG ANG MAG db MOTOROLA ANALOG IC DEVICE DATA 9
10 MC3 DC Biasing Considerations The DC biasing scheme utilizes two VCC connections (Pins 3 and 6) and two VEE connections (Pins 4 and ). VEE (Pin 4) is connected internally to the IF and circuits negative supply bus while VEE2 (Pin ) is connected internally to the quadrature detector s negative bus. Under positive ground operation, this unique configuration offers the ability to bias the and IF separately from the quadrature detector. When two ICs are cascaded as shown in the 0 MHz application circuit and provided by the PCB (see Figures and 8), the first MC3 is used without biasing its quadrature detector, thereby saving approximately 3.0 ma. A total current of.0 ma is used to fully bias each IC, thus the total current in the application circuit is approximately ma. Both VCC pins are biased by the same supply. VCC (Pin 3) is connected internally to the positive bus of the first half of the IF limiting amplifier, while VCC2 is internally connected to the positive bus of the, the quadrature detector circuit, and the second half of the IF limiting amplifier (see Figure ). This distribution of the VCC enhances the stability of the IC. Circuitry The circuitry provides typically 3 db of linear dynamic range and its output voltage swing is adjusted by selection of the resistor from Pin 2 to VEE. The slope is typically 2. µa/db ; thus, for a dynamic range of 3 db, the current output is approximately 4 µa. A 4 k resistor will yield an output voltage swing of 3. Vdc. The buffer output at Pin 3 is an emitter follower and needs an external emitter resistor of 0 k to VEE. In a cascaded configuration (see circuit application in Figure 6), only one of the Buffer outputs (Pin 3) is used; the outputs (Pin 2 of each IC) are tied together and the one closest to the VEE supply trace is decoupled to VCC ground. The two pins are connected to VEE through a 4 k resistor. This resistor sources a current which is proportional to the signal level at the IF input; typically,.0 mvrms ( 4 dbm) is required to place the MC3 into limiting. The measured output voltage response of the application circuit is shown in Figure 2. Since the current output is dependent upon the input signal level at the IF input, a careful accounting of filter losses, matching and other losses and gains must be made in the entire receiver system. In the block diagram of the application circuit shown below, an accounting of the signal levels at points throughout the system shows how the response in Figure 2 is justified. Block Diagram of 0 MHz Video Receiver Application Circuit Input 4 dbm 0 dbm 2 dbm 32 dbm 4 dbm Minimum Input to Acquire Level:.26 mvrms µvrms µvrms µvrms.0 mvrms Limiting in MC3 IF Input Saw Filter :4 Transformer 2 db 2.0 db (Insertion Loss) (Insertion Loss) 6 MC3 40 db Gain 0 db (Attenuator) 6 MC3 40 db Gain Cascading Stages The limiting IF output is pinned out differentially, cascading is easily achieved by AC coupling stage to stage. In the evaluation PCB, AC coupling is shown, however, interstage filtering may be desirable in some applications. In which case, the S parameters provide a means to implement a low loss interstage match and better receiver sensitivity. Where a linear response of the output is desired when cascading the ICs, it is necessary to provide at least 0 db of interstage loss. Figure 2 shows the response with and without interstage loss. A db resistive attenuator is an inexpensive way to linearize the response. This has its drawbacks since it is a wideband noise source that is dependent upon the source and load impedance and the amount of attenuation that it provides. A better, although more costly, solution would be a bandpass filter designed to the desired center frequency and bandpass response while carefully selecting the insertion loss. A network topology shown below may be used to provide a bandpass response with the desired insertion loss µ Network Topology 6 0 MOTOROLA ANALOG IC DEVICE DATA
11 MC3 Quadrature Detector The quadrature detector is coupled to the IF with internal 2.0 pf capacitors between Pins and 8 and Pins 9 and 0. For wideband data applications, such as FM video and satellite receivers, the drive to the detector can be increased with additional external capacitors between these pins, thus, the recovered video signal level output is increased for a given bandwidth (see Figure A and Figure B). The wideband performance of the detector is controlled by the loaded Q of the LC tank circuit. The following equation defines the components which set the detector circuit s bandwidth: Q = RT/XL () where: RT is the equivalent shunt resistance across the LC Tank and XL is the reactance of the quadrature inductor at the IF frequency (XL = 2πfL). The inductor and capacitor are chosen to form a resonant LC Tank with the PCB and parasitic device capacitance at the desired IF center frequency as predicted by: fc = (2π (LCp)) (2) where: L is the parallel tank inductor and Cp is the equivalent parallel capacitance of the parallel resonant tank circuit. The following is a design example for a wideband detector at 0 MHz and a loaded Q of. The loaded Q of the quadrature detector is chosen somewhat less than the Q of the IF bandpass. For an IF frequency of 0 MHz and an IF bandpass of 0.9 MHz, the IF bandpass Q is approximately 6.4. Example: Let the external Cext = 20 pf. (The minimum value here should be greater than pf making it greater than the internal device and PCB parasitic capacitance, Cint 3.0 pf). Cp = Cint + Cext = 23 pf Rewrite Equation 2 and solve for L: L = (0.9)2 /(Cp fc2) L = 98 nh, thus, a standard value is chosen. L = 0.22 µh (tunable shielded inductor). The value of the total damping resistor to obtain the required loaded Q of can be calculated by rearranging Equation : RT = Q(2πfL) RT = (2π)(0)(0.22) = Ω. The internal resistance, Rint between the quadrature tank Pins 8 and 9 is approximately 3200 Ω and is considered in determining the external resistance, Rext which is calculated from: Rext = ((RT)(Rint))/ (Rint RT) Rext = 0, thus, choose the standard value. Rext = 60 Ω. SAW Filter In wideband video data applications, the IF occupied bandwidth may be several MHz wide. A good rule of thumb is to choose the IF frequency about 0 or more times greater than the IF occupied bandwidth. The IF bandpass filter is a SAW filter in video data applications where a very selective response is needed (i.e., very sharp bandpass response). The evaluation PCB is laid out to accommodate two SAW filter package types: ) A five leaded plastic SIP package. Recommended part numbers are Siemens X690M which operates at 0 MHz; 0.4 MHz 3 db passband, X69M (X22.8) which operates at 0 MHz; 9.2 MHz 3 db passband; and X698M which operates at 0 MHz, 6.3 MHz 3 db passband, and 2) A four leaded TO 39 metal can package. Typical insertion loss in a wide bandpass SAW filter is 2 db. The above SAW filters require source and load impedances of 0 Ω to assure stable operation. On the PC board layout, space is provided to add a matching network, such as a :4 surface mount transformer between the SAW filter output and the input to the MC3. A :4 transformer, made by Coilcraft and Mini Circuits, provides a suitable interface (see Figures 6, and 8). In the circuit and layout, the SAW filter and the MC3 are differentially configured with interconnect traces which are equal in length and symmetrical. This balanced feed enhances RF stability, phase linearity, and noise performance. MOTOROLA ANALOG IC DEVICE DATA
12 MC3 Det Out Figure. Figure. Simplified Internal Circuit Schematic Decouple Buffer VCC LIM Out Quad Coil LIM Out VCC k.6k 2.0p 2.0p 0p 8.0k.0p.0k.0k 8.0k Bias Bias 6 4 Input Input VEE VEE MOTOROLA ANALOG IC DEVICE DATA
13 MC3 Figure 6. 0 MHz Video Receiver Application Circuit If Input :4 2 SAW Filter SAW Filter is Siemens Part Number X690M MC3 IN IN2 6 00p 2 DEC DEC2 00p 0k 3 4 VCC DETO VEE Buffer 4 3 0n 4k 00n DETO2 2 6 VCC2 LIMO VEE2 LIMO2 0 0n 8 QUAD QUAD µ VEE MC3 IN IN2 6 00p 2 DEC DEC2 00p Detector 00n 00n 33p 33p.0k.0k 2.0p VCC DETO DETO2 VCC2 LIMO QUAD VEE Buffer VEE2 LIMO2 QUAD n 0n 2.0p 0µ + VEE p L 0.22µ L Coilcraft part number 46 08J08S MOTOROLA ANALOG IC DEVICE DATA 3
14 MC3 Figure. Component Placement (Circuit Side) Figure 8. Component Placement (Ground Side) 4 MOTOROLA ANALOG IC DEVICE DATA
15 MC3 Figure 9. Circuit Side View Figure 20. Ground Side View MOTOROLA ANALOG IC DEVICE DATA
16 MC3 OUTLINE DIMENSIONS D SUFFIX PLASTIC PACKAGE CASE B (SO 6) SEATING PLANE 6 G A 9 8 B P T D6 PL K 0.2 (0.00) M T B S A S C 8 PL 0.2 (0.00) M B M M R X 4 F J NOTES:. DIMENSIONING AND TOLERANCING PER ANSI Y4.M, CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0. (0.006) PER SIDE.. B 03 IS OBSOLETE, NEW STANDARD B 04. DIM A B C D F G J K M P R MILLIMETERS MIN MAX BSC 0.00 BSC INCHES MIN MAX Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. Typical parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customer s technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. Mfax is a trademark of Motorola, Inc. How to reach us: USA / EUROPE / Locations Not Listed: Motorola Literature Distribution; JAPAN: Nippon Motorola Ltd.: SPD, Strategic Planning Office, 4 32, P.O. Box 40, Denver, Colorado or Nishi Gotanda, Shinagawa ku, Tokyo 4, Japan Mfax : RMFAX0@ .sps.mot.com TOUCHTONE ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, US & Canada ONLY Ting Kok Road, Tai Po, N.T., Hong Kong INTERNET: 6 MOTOROLA ANALOG IC DEVICE MC3/D DATA
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Order this document by SAA4/D The SAA4 drives a two phase stepper motor in the bipolar mode. The device contains three input stages, a logic section and two output stages. The IC is contained in a pin
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Order this document by /D The eight NPN Darlington connected transistors in this family of arrays are ideally suited for interfacing between low logic level digital circuitry (such as TTL, CMOS or PMOS/NMOS)
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SEMICONDUCTOR TECHNICAL DATA Order this document by /D NPN Silicon COLLECTOR 3 BASE EMITTER MAXIMUM RATINGS Rating Symbol Unit Collector Emitter Voltage VCEO 3 5 Vdc Collector Base Voltage VCBO 4 3 Vdc
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SEMICONDUCTOR TECHNICAL DATA Order this document by /D NPN Silicon COLLECTOR 3 *Motorola Preferred Device 2 BASE MAXIMUM RATINGS Rating Symbol Unit Collector Emitter Voltage VCEO 3 4 Collector Base Voltage
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SEMICONDUCTOR TECHNICAL DATA Order this document by /D The RF Line... designed for 13.6 volt VHF large signal class C and class AB linear power amplifier applications in commercial and industrial equipment.
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SEMICONDUCTOR TECHNICAL DATA Order this document by 2N5883/D... designed for general purpose power amplifier and switching applications. Low Collector Emitter Saturation Voltage VCE(sat) = 1. Vdc, (max)
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nc. SEMICONDUCTOR APPLICATION NOTE Order this document by AN1670/D Prepared by: Jean Jacques Bouny Principal Staff Engineer Motorola Semiconductors S.A. Toulouse, France INTRODUCTION This application note
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SEMICONDUCTOR TECHNICAL DATA Order this document by /D The RF Line Designed primarily for wideband large signal predriver stages in the MHz frequency range. Specified @.5 V, 7 MHz Characteristics Output
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Order this document by MC43/D The seven NPN Darlington connected transistors in these arrays are well suited for driving lamps, relays, or printer hammers in a variety of industrial and consumer applications.
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SEMICONDUCTOR TECHNICAL DATA Order this document by TIP120/D... designed for general purpose amplifier and low speed switching applications. High DC Current Gain hfe = 2500 (Typ) @ IC = 4.0 Adc Collector
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SEMICONDUCTOR TECHNICAL DATA Order this document by N/D The N, N and N7 devices consist of a gallium arsenide infrared emitting diode optically coupled to a monolithic silicon phototransistor detector.
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