Analogue, Mixed Signal, LSI


Mil-spec crystal oscillators

7 September 2016 Analogue, Mixed Signal, LSI

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.

For more information contact Jeva Narian, Arrow Altech Distribution, +27 (0)11 923 9600, jnarian@arrow.altech.co.za, www.arrow.altech.co.za



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