1304-B

General Radio 1304-B

beat frequency oscillator General Radio 1304-B Beat Frequency Oscillator Available from 1954 to 1970 Manuals General Radio 1304-B Beat Frequency Oscillator 1304-0100-M 1967 (All manuals in PDF format unless noted otherwise)

The General Radio 1304-B Beat Frequency Oscillator was introduced in 1954 Catalog N and remained available through Catalog U 1970.

Specifications

Frequency Range:20 to 40,000 Hz in two ranges. .
Calibration Accuracy: ± (1% + 0.5 cycle) after front panel calibration.
Drift: The drift from a cold start is less than 7 cycles in the first hour.
Output Voltage: Output Voltage: Full-scale, open-circuit output voltages of 50 mV, 500 mV, 5 V, and 50 V are provided.
Output Impedance: 600 Ω, resistive, within ±2%.
Harmonic Distortion: The total harmonic content is less than 0.25% from 100 to 10,000 Hz. Below 100 Hz less than 0.5%. Above 10,000 Hz less than 1%.