1311-A: Difference between revisions
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Revision as of 23:41, 21 December 2023
The General Radio 1311-A Audio Oscillator is a transistorized Wien-bridge audio oscillator with transformer output.
Specifications
- 11 fixed frequencies – 50, 60, 100, 120, 200, 400, 500, 1000, 2000, 5000, 10,000 Hz selected by rotary switch. A vernier provides a ±2% adjustment about nominal.
- Power: 1 W into matched load. (Taps provide at least 0.5 W output into any resistive load between 80 mΩ and 8 kΩ).
- Voltage: Continuously adjustable from 0 to 1, 3, 10, 30, or 100 V, open circuit.
- Current: Continuously adjustable from 0 to 40, 130, 400, 1300, 4000 mA, short circuit (approx).
Links
- 1311-A Manual (OCR)
- R.G.Fulks, Novel feedback loop stabilizes audio oscillator. Electronics Vol.36 No.5, 1 Feb 1963, p.42