Euroquartz has launched two new ranges of military specification crystal oscillators designed for use in applications that require high reliability.
Housed in industry standard 14-pin DIL (dual-in-line) packages, the new EQXO-1000BMK and EQXO-3000BMK clock oscillators incorporate a custom-designed quartz crystal and a CMOS/TTL compatible hybrid circuit on a ceramic substrate.
Manufactured using the latest advances in production technology, these oscillators are capable of achieving tight frequency calibration tolerance and high stability over a wide temperature range. Frequency range is from 200 kHz to 200 MHz with calibration tolerance of ±30 ppm at 25°C and frequency tolerance of ±100 to ±50 ppm over the full military temperature range from -55°C to +125°C (±100 to ±30 ppm over the industrial temperature range from -40°C to +85°C).
The high-reliability ceramic substrate is packaged in a hermetically sealed DIL metal package with four pins (EQXO-1000BMK) or 14 pins (EQXO-3000BMK) for extra mechanical security. Additional specifications include 5000 G shock survivability, 20 G vibration survivability, double-sealed design, low EMI emission and standard 5,0 V d.c. supply voltage (other voltages on request). Startup time is 5 ms maximum with rise/fall time of 6 ns maximum and minimum duty cycle of 40%, 60% maximum. Standard output is CMOS, 50 pF with other outputs available to special order.
Ideal for aerospace, defence and other applications where high-reliability clock oscillators are required, the oscillators can be screened to MIL-O-55310F, class B if required.
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