The General Radio 1021-A is part of a series of Standard Signal Generators introduced in 1951 Catalog N. It remained available through Catalog S 1965.
General Radio 1021-A
standard signal generator General Radio 1021-A Standard Signal Generator
Available from 1951 to 1965
Manuals
(All manuals in PDF format unless noted otherwise)
Frequency range is dependent on the oscillator type installed.
It has internal modulation at 1000 Hz as well as provision for external modulation.
The panel reads output voltage or modulation percentage.
See below. Type 1021-AV 50 to 250 MHz. 1021-P1 power supply and case.1021-P3 VHF oscillator unit.Type 1021-AV 40 to 250 MHz in 2 bands. 1021-P1 power supply and case.1021-P3B VHF oscillator 2 band unit.Type 1021-AU 250 to 900 MHz. 1021-P1 power supply and case.1021-P3 UHF oscillator unit.Type 1021-AW 900 to 2000 MHz. 1021-P1 power supply and case.1021-P4 UHF oscillator unit.
Specifications
Frequency Range: 40 to 2000 MHz depending on the oscillator unitOutput Impedance: 50 Ω ± 10%.Output Voltage: 0.5 to 2 V.
Links
Photos 
