VTC4 series Voltage Controlled Temperature Compensated Crystal Oscillator
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1 VTC4 series Voltage Controlled Temperature Compensated Crystal Oscillator Features Clipped Sine Wave Output Output Frequencies to 27 MHz Fundamental Crystal Design Optional VCXO Function available Gold over nickel contact pads Hermetically Sealed Ceramic SMD package The VTC4, VCTXCO Product is compliant to RoHS directive and fully compatible with lead free assembly Applications Wireless Communications Base Stations Point to point radios Broadband Access Test Equipment Handsets Description Vectron s VTC4 Temperature Compensated Crystal Oscillator (TCXO) is a quartz stabilized, clipped sine wave output, temperature compensated oscillator, operating off either a 2.8, 3.0, 3.3 or 5.0 volt supply. Vectron International: 267 Lowell Road, Suite 102, Hudson NH Tel: 1-88-VECTRON-1 vectron@vectron.com
2 Performance Characteristics Table 1. Electrical Performance Parameter Symbol Min Typical Maximum Units Frequency f O MHz Typical Supply Voltage 1 Ordering option, see last page 2.8, 3.0, 3.3 or 5.0 V Supply Current I DD ma MHz to < MHz MHz to MHz Output Level 2 Vp/p 0.8 V Output Load 10K II 10pf Control Voltage Impedance Z Vc 1 Mohm Control Voltage to reach pull V All options (5.0, 3.3,3.0 and 2.8V) Pull Range TPR ±5, ±8, ±10, ±15 ppm Ordering option, see last page Temperature Stability Ordering option, see last page. ±0.5 to ±5.0 ppm Initial Accuracy, No Adjust option ±0.5 ±1.0 ppm Power Supply Stability ±0.2 ppm Load Stability ±0.2 ppm Aging ±1.0 ppm/year Operating temperature 0/55, -10/60, -20/70, -30/80, -40/85 C Ordering option, see last page Phase Noise, MHz 10 Hz offset 100 Hz offset 1 khz offset 10 khz offset 100 khz offset 5MHz offset dbc/hz Start-up time 2 ms 1. A 0.01uF and a 0.1uF capacitor should be located as close to the supply as possible (to ground) is recommended. 2. Output is DC coupled.
3 Figure 1. Typical Phase Noise Plot Figure 2. Clipped Sine Wave Output
4 VCXO Functional Description VCXO Feature: The VTC4 can be ordered with a VCXO function for applications where it will be used in a PLL, or the output frequency needs fine tune adjustments. This is a high impedance input, 1 Mohm, and can be driven with an op-amp or terminated with adjustable resistors etc. Pin 1 should not be left floating on the VCXO optional devices. No Adjust Feature: In applications where the VTC4 will not be used in a PLL, or the output frequency does not fine tune adjustments, the best device to use would be a VTC4-x0xx. By using the no adjust option, the circuit is simplified as Vc does not need to adjusted or set to a predetermined voltage and pin 1 should be grounded (pin 1 can be left open but should not be set to a voltage such as the supply). Outline Diagrams, Pad Layout and Pin Out Table 2. Pinout Pin # Symbol Function 1 GND or V C Ground for a VTC4-x0xx option or VCXO Control Voltage 2 GND Electrical and Case Ground 3 f O Output Frequency 4 V DD Supply Voltage NOTE: Additional pads are used to program and adjust the TCXO during manufacturing and should be left open; do not terminate these to the supply voltage. Some designs do not include these additional pads. Contact Pads are gold over nickel Devices will be marked with the frequency Figure 3, Package drawing
5 Tape and Reel Table 3. Tape and Reel Dimensions (mm) Tape Dimensions Reel Dimensions # Per Product A B C D E F G H I J K L Reel VTC D C G F J A B L I E H K Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can permanently damage the device. Functional operation is not implied at these or any other conditions in excess of conditions represented in the operational sections of this data sheet. Exposure to absolute maximum ratings for extended periods may adversely affect device reliability. Table 4. Absolute Maximum Ratings Parameter Symbol Ratings Unit Storage Temperature Tstorage -55/125 C Table 5. Environmental Compliance Parameter Conditions Mechanical Shock MIL-STD-883 Method 2002 Mechanical Vibration MIL-STD-883 Method 2007 Temperature Cycle MIL-STD-883 Method 1010 Solderability MIL-STD-883 Method 2003 Gross and Fine Leak MIL-STD-883 Method 1014 Resistance to Solvents MIL-STD-883 Method 2015 Moisture Sensitivity Level 1 Contact Pads Gold over Nickel
6 Handling Precautions Although ESD protection circuitry has been designed into the the VTC4, proper precautions should be taken when handling and mounting. VI employs a Human Body Model and a Charged-Device Model (CDM) for ESD susceptibility testing and design protection evaluation. ESD thresholds are dependent on the circuit parameters used to define the model. Although no industry wide standard has been adopted for the CDM, a standard HBM of resistance = 1.5kohms and capacitance = 100pF is widely used and therefore can be used for comparison purposes. Table 6. ESD Ratings Model Minimum Conditions Human Body Model 1500 MIL-STD-883 Method 3115 Charged Device Model 1000 JESD 22-C101 Suggested IR profile Devices are built using lead free epoxy and can also be subjected to standard lead free IR reflow conditions, Table 7 shows max temperatures and lower temperatures can also be used e.g. peak temperature of 220C. Table 7. Reflow Profile (IPC/JEDEC J-STD-020) Parameter Symbol Value PreHeat Time t S 60 sec Min, 180 sec Max Ramp Up R UP 3 o C/sec Max Time Above 217 o C t L 60 sec Min, 150 sec Max Time To Peak Temperature t AMB-P 480 sec Max Time At 260 o C (max) t P 10 sec Max Time At 240 C (max) t p2 60 sec Max Ramp Down R DN 6 o C/sec Max Vectron International: 267 Lowell Rd, Suite 102, Hudson NH Tel: 1-88-VECTRON-1 vectron@vectron.com 6
7 Ordering Information Table 8. Standard Frequency List VTC4 - B 0 2 C - 12M Product Family Output Frequency (MHz) TCXO, 5x3.2 Voltage Options Temperature Options A: +5.0 Vdc ±5%, Clipped Sine Output A: 0 to 55 C B: +3.3 Vdc ±5%, Clipped Sine Output B: -10 to 60 C C: +3.0 Vdc ±5%, Clipped Sine Output C: -20 to 70 C D: +2.8 Vdc ±5%, Clipped Sine Output D: -30 to 80 C E: -40 to 85 C Pulling Range 0: Fixed TCXO, no adjust Stability Options 1: ±5ppm A: ±0.5ppm 2: ±8ppm 1: ±1.0ppm 3: ±10ppm B: ±1.5ppm 4: ±15ppm 2: ±2.0ppm C: ±2.5ppm 3: ±3.0 ppm Note: Not all combinations are available: D: ±3.5ppm ±0.5 ppm is available over 0 / 55 C, and on a case by case basis for -10/60C. 4: ±4.0ppm ±1.0 ppm to ±5.0 ppm is available on all temperature range 5: ±5.0ppm USA: Vectron International 267 For Lowell Additional Road, Suite Information, 102, Hudson, Please NH Contact: Tel: 1-88-VECTRON-1 Fax: FAX-VECTRON EUROPE: Landstrasse, D-74924, Neckarbischofsheim, Germany Tel: 49 (0) Fax: 49 (0) ASIA: Vectron International 68 Yin Cheng Road (C), 22 nd Floor, One LuJiaZui, Pudong, Shanghai , China Tel: Fax: Feb 26, 2014 Vectron International: 267 Lowell Rd, Suite 102, Hudson NH Tel: 1-88-VECTRON-1 vectron@vectron.com 7
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IQXT IQXT-205-3
IQXT-205-3 IQXT-205-3 is a 2.0 x 1.6mm SMD Temperature Compensated Crystal Oscillator (TCXO) in a hermetically Model Name IQXT-205-3-18 IQXT-205-3-25 IQXT-205-3-28 IQXT-205-3-30 IQXT-205-3-33 A 1.8V version
CMOS, Ultra-low Jitter Voltage Controlled Crystal Oscillators (VCXOs)
GTJF538 series (5.0x3.2x1.4 mm, 8 pads), a member of Mercury QuikXO quick-turn Voltage Controlled Crystal Oscillators 9VCXOs), features CMOS output and femtosecond (f. sec.) RMS phase jitter (163 f. sec.
HT-MM900A Military Temperature Oscillator
HT-MM900A Military Temperature Oscillator Features Performance Specifica ons Applications Frequency Range 1 MHz and 137 MHz accurate to 6 decimal places Military Applica ons Low power consump on of 4.5
QTCT570 SERIES 5 x 7mm MINIATURE SMD TEMPERATURE CONTROLLED CRYSTAL OSCILLATORS 2.8 to 3.3Vdc MHz to MHz Description
Description Q-Tech s surface-mount QTCT570 oscillators consist of an IC 2.8Vdc, 3.3Vdc clock TCXO built in a low profile ceramic package with gold plated contact pads. Features ECCN: EAR99 Frequency range
2.0 FREQUENCY CHARACTERISTICS Line Parameter Test Condition Value Unit 2.1 Nominal frequency range
CFPT9000 -- SMD Temperature Compensated Crystal Oscillator (PLUTO) -- -- A series of surface mountable 7.0x5.0mm Temperature Compensated Voltage Controlled Crystal Oscillators (TCVCXOs) for medium to high
Performance Specifications. Frequency Stabilities Supply Voltage (Vs) ma ma. RF Output
TX-309 Hi-Rel Temperature Compensated Crystal Oscillator TX-309 Features Radiation Tolerant Small footprint Frequency Range: 0.3 MHZ to 150 MHZ Previous Model: C2501 Applications Reference clock for space
Logic & Supply Voltage: HC = HCMOS +5V L = LVHCMOS +3.3V P = LVPECL +3.3V
Description Q-Tech s surface-mount QTCV576 VCXOs consist of an IC 5Vdc,.Vdc clock square wave generator and a miniature strip AT quartz crystal built in a low profile ceramic package with gold plated contact
Solder Dip Options T = Standard S = Sn60Pb40 G=SAC305. Package 86 =Leaded 80 = Formed Leads 85=SMT
Description Q-Tech s 5x7mm LVDS and LVPECL hybrid oscillators consist of an IC operating at various supply voltages of 2.5V and 3.3Vdc and a miniature strip quartz crystal. The series is offered in various
Block Diagram. Figure 1. Functional Block Diagram
MD-171 High Stability GNSS (GPS and GLONASS) Disciplined Oscillator Module MD-171 The MD-171 is a Vectron GNSS disciplined module. It is a fully integrated GNSS disciplined oscillator module in a compact
Logic & Supply Voltage: HC = HCMOS +5V L = LVHCMOS +3.3V P = LVPECL +3.3V
. and 5.0Vdc -.000MHz to 56.2MHz Description Q-Tech s surface-mount QTCV56 VCXOs consist of an IC 5Vdc,.Vdc clock square wave generator and a miniature strip AT quartz crystal built in a low profile ceramic
CXOQ CXOQ 1.8V CXOQ 2.5V CXOQ 3.0V CXOQ 3.3V
CXOQ Statek s ultra miniature and ultra low profile CXOQ oscillators consist of a CMOS/TTL compatible hybrid circuit and a state-ofthe-art, miniature, fundamental-mode crystal. Model Name Description CXOQ
MX-503 High Precision Microprocessor Controlled Crystal Oscillator
MX-503 High Precision Microprocessor Controlled Crystal Oscillator MX-503 Features Ultra High Stability MCXO Low Power Consumption Meets Stratum 3 acc. GR-1244 ROHS 6 Compliant Frequency Range 1 : 8-50
Performance Specifications. Frequency Stabilities 1 ( 10 & 20 MHz)
MD-223 I 2 C Interface Oven Controlled Crystal Oscillator Preleminary version MD-223 The MD-223 is a Vectron module that contains a medium size ovenized crystal oscillator and an I 2 C interface that communicates
CXOLAT CXOLAT 1.8V CXOLAT 2.5V CXOLAT 3.0V CXOLAT 3.3V
CXOLAT he CXOLAT 32.768kHz surface-mount oscillator achieves the low power comparable with a tuning fork design and the fast start-up and tight frequency stability attained by an AT cut crystal design.