The Racal Dana Model 9478 Distribution System can be supplied with a range of internal precision, oven-controlled crystal oscillators, or it can be phase locked to an external signal derived from a master oscillator or atomic frequency standard. The system will automatically lock to an external signal above 100 mV, and with a standard frequency of 1, 5 or 10 MHz. "In Lock" indication is provided together with a front panel 10 MHz monitor output.
Racal Dana 9478