1213-D

General Radio 1213-D

unit time/frequency calibrator General Radio 1213-D Unit Time/Frequency Calibrator Available from 1961 to 1963 Manuals General Radio 1213-D Unit Time Frequency Calibrator Manual786-F 1959 (All manuals in PDF format unless noted otherwise)

The General Radio 1213-D Unit Time/Frequency Calibrator was introduced in 1961 Catalog Q and remained available through Catalog R 1963.

Specifications

Frequencies: 10 MHz, 1 MHz, 100 kHz, 10 kHz.
Frequency Adjustment: ±5 ppm.
Amplitude: 10 Mc 5 V peak-to-peak; 30 V peak-to-peak at lower output frequencies from pulse amplifier.
RF Harmonics: usable to 1000 MHz from 10 MHz output, to 500 MHz from 1 MHz output, to 100 Mc from 100 kHz output, and to 10 Mc from 10 kHz output.