TX-500 Temperature Controlled Crystal Oscillators (TCXO)

Product catalog summary

Overview: The document provides technical specifications for the TX-500 Temperature Compensated Crystal Oscillator (TCXO) by Vectron International. It includes details on frequency ranges, operating conditions, and various parameters affecting performance.

Specifications:

Frequency Range: 6.4 MHz to 800 MHz with standard frequencies including 10, 12.288, 12.8, 19.44, 20, 20.48, 77.76, and 100 MHz.
Operating Temperature Range: Options available from -40°C to +85°C, -20°C to +70°C, and 0°C to +50°C with varying stability parameters.
Initial Tolerance: ±1.5 ppm at the time of shipment.
Supply Voltage: Standard at 3.3 VDC with options for 5 VDC.
Output Signal Types: HCMOS, PECL, and clipped Sinewave with specific load and signal level conditions.

Performance Parameters:

Frequency Stability: Varies with temperature and supply voltage changes, with specific ppm values provided for different conditions.
Phase Noise: Detailed phase noise levels at various offsets for standard and low phase noise versions.
Frequency Tuning: Tuning range from ±5.0 to ±20.0 ppm depending on the version, with a positive tuning slope.

Applications: The TX-500 is suitable for PCS base stations, land mobile radio, cellular telephony, and radio in the local loop.

Additional Information:

Absolute Maximum Ratings: Includes supply voltage, control voltage, and temperature ranges for operation and storage.
Packaging: Details on tape and reel packaging, including dimensions and quantities.
Ordering Information: Codes for stability, supply voltage, RF output, temperature range, and frequency control are provided for product customization.

Reflow Profile: Recommended soldering profile for Pb-Free and Sn-Pb assembly, including ramp-up rates, preheat temperatures, and peak temperature conditions.

Catalog excerpts

TX-500 Temperature Controlled Crystal Oscillators (TCXO)-1

Features Typical Applications EFC StandardStandard Surface Mount PackageLow Phase Noise OptionLow Proﬁ le PCS Base Stations Land Mobile RadioCellular TelephonyRadio in the Local Loop Previous Vectron Model Numbers C2310; STO50; STO50S3; STO50S3-01 Frequency Range 6.4 MHz 800 MHz > Standard Frequencies 10; 12.288; 12.8; 19,44; 20; 20,48; 77,76; 100MHz Frequency stabilities > 1 [Standard TCXO] > ParameterMinTypMax.UnitsOperating temperature range vs. operating temperature range-2.5+2.5ppm-40 օ +85C 5 (Referenced to +25аC)-1.0+1.0ppm-40 +85ŰC-2.5+2.5ppm-20 +70ŰC-1.0+1.0ppm-20 +70ŰC-1.0+1.0ppm0 +50ŰC-0.5+0.5ppm0 +50ŰC Options ParameterMinMaxUnitsCondition Initial tolerance- 1.5+1.5ppmat time of shipment, nominal EFCV S 5%Load ѱ 10%vs. supply voltage change- 0.2+0.2ppmvs. load change- 0.2+0.2ppm vs aging /1. Year- 1.0+1.0ppm htttp://www.vectron.comVectron International267 LowellRoad , Hudson, New Hampshire 03051ՕTel:+1-88-VECTRON-1 Vectron International GmbH & Co. KG Landstra՟e, 74924 Neckarbischofsheim, Germany Tel: +49 7268 801 100 TX-500 page: 1/6 size="-2">

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TX-500 Temperature Controlled Crystal Oscillators (TCXO)-2

vs. operating temperature range-0.8+0.8ppm-40 +85ŰC > 5 (Referenced to +25C)-0.28+0.28ppm-30 Ѕ +85C-0.8+0.8ppm-20 Ѕ +70C-0.28+0.28ppm-20 Ѕ +70C-0.28+0.28ppm0 Ѕ +50C > Options 5 Supply voltage [Standard]3.1353.33.465VDC Supply voltage [Option]4.7555.25VDCCurrent consumption3535100mA mA mAsteady state @ +25ѰC & 3.3VDCsteady state @ +25C & 5.0VDCsteady state @ +25аC & PECL-Output > Options Signal [Standard]HCMOSLoad13.51516.5pFSignal Level (Vol)0.5VDCwith Vs= 5.0V and 15pF load0.3VDCwith Vs=3.3V and 15pF loadSignal Level (Voh)4.5VDCwith Vs= 5.0V and 15pF load3.0VDCwith Vs=3.3V and 15pF loadRise...

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TX-500 Temperature Controlled Crystal Oscillators (TCXO)-4

Height HӔPin Length LӔ5.9NA > 1Voltage Control (Vc) 2N.C.3GND, case4RF output5N.C. / RF output compl.6Supply Voltage (V > s ) > 1Contact factory for improved stabilities or additional product options. Not all options and codes are available at all frequencies.2Unless otherwise stated all values are valid after warm-up time and refer to typical conditions for supply voltage, frequency control voltage, load, temperature (25C)3Phase noise degrades with increasing output frequency.4Subject to technical modi cation.5Contact factory for availability. htttp://www.vectron.comVectron InternationalЕ267...

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TX-500 Temperature Controlled Crystal Oscillators (TCXO)-5

Lage im GurtPosition in tapePin 1 > Abwickelrichtung Unwinding direction GurtunterseiteTape buttom side *bei W mm nuruntere Lochreihe GurtoberseiteTape upper side byW 24 mm only lower hole line >

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TX-500 Temperature Controlled Crystal Oscillators (TCXO)-6

Average ramp-up rate (T > L to T > p )3C/second max.Time 25аC to Peak Temperature8 minutes max.Preheat -Temperature Min T > Smin 150C 200аC60-180 secondsTime maintainted above-Temperature (T -Temperature Min T > smax -Time (min to max) t > L )-Time (t > S L )217C60-150 secondsT > Smax to T > L -Ramp-up Rate3аC/second maxTime maintainted above-Temperature (T > L )-Time (t > P )20-40 secondsPeak Temperature (T > L )217C60-150 secondsTime within 5аC of actual Peak Temperature (t > P )max 260CRamp-down Rate6аC/ second maxNote: All temperatures refer to topside of the package, measured on the package...

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