TCXOs suit harsh environments
Frequency control specialist, Euroquartz has introduced a new range of radiation tolerant temperature-compensated crystal oscillators (TCXO) from Greenray that offer excellent performance in high shock and vibration environments.
Housed in a rugged, radiation tolerant, stainless steel and nickel-plated package, the new T1276 TCXOs offer frequencies between 2.5 and 120MHz over a wide temperature range from -55 to +125°C.
Ultra-low acceleration sensitivity is less than 0.07ppb/g making these oscillators ideal for use in a wide range of applications including high orbit transponders, low orbit nano/micro satellites, RF telemetry systems, multiband terminals and upconverters.
The 24-pin DIP package measures 20.3 x 12.7 x 8.9mm and offers protection from total ionising doses up to 200krad (Si). Additional specifications include SEL and SET free to 100MeV cm²/mg, choice of 3.3 and 5V DC power supply requirement and CMOS or sinewave output.
Frequency stability ranges from ±0.3ppm over 0 to 50°C to ±7ppm over the full operating temperature range. Ageing is ±1ppm in first year and ±3ppm over 10 years. Typical phase noise performance ranges from -90dBc/Hz at 10Hz frequency offset to -160dBc/Hz at 1MHz frequency offset.
The new T1276 TCXO range complements the existing T1254 product line and can be supplied with MIL-PRF-55310 Level B or S screening.
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