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High Performance TCXO in Compact Chassis

Category: References

10 MHz Frequency Reference, TCXO, with Band Gap Reference, Mini Chassis


The NR3700-T was designed for those applications requiring a simple high performance 10 MHz reference in a very small form factor. The NR3700-T uses a low phase noise TCXO as the primary reference. For less demanding stability applications, a TCXO offers a lower cost solution-+1000 ppb/year versus +- 50 ppb/year for an OCXO. The frequency is set using a band gap reference to assure excellent temperature stability and minimal noise contribution. Power can be AC (with optional power adapter) or from -60 to +60 VDC in three ranges. The power supply is a shielded, low electromagnetic emission design and provides electrical isolation between the reference and the incoming power. For systems where ground loops are a concern, the unit can be ordered with optional galvanic isolation on the output. To meet alternate frequency needs, the unit has a 7 decade counter that can create 1,10,100,1K,10K,100K,1 MHz CMOS outputs derived from the TCXO output.

· TCXO frequency stability  +-1 ppm/year

· self-test provides unit status with indicator and relay contact signal

· operates from AC power adapter or -60 to +60 VDC in three ranges

· low phase noise  -145dBc/Hz @ 1 KHz (lower phase noise options available)

· compact chassis 1.2"H  x  4.0"D x 2.75" W

· front panel status indicator for built-in test

· Optional 3.3 Vdc CMOS output

· Configure as a PPS simulator (factory settable PPS duty cycle)



Data Sheets

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