General Radio 1232A Tuned Amplifier and Null Detector
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General Radio 1232A is a battery-operated tuned amplifier with adjustable frequency response (20 Hz to 100 kHz), 120 dB gain, low-noise solid-state design, and null detection capabilities.
Product details
| Model | 1232A |
| Manufacturer | General Radio |
| Category | Electrical Calibrators |
| Availability | Made to order |
Description
Overview
The General Radio 1232A is a battery-operated, solid-state tuned amplifier and null detector designed for applications requiring high sensitivity and low noise. It combines tunable filters across multiple frequency ranges, selectable bandwidth options, and high gain in a portable package, making it suitable for laboratory and field measurement applications.
Key Features
- Tunable frequency response: 20 Hz to 20 kHz in three ranges, plus 50 kHz and 100 kHz options
- High sensitivity with 0.1 V filters at approximately 5% bandwidth
- High gain: 120 dB
- Choice of narrow or broad bandwidth
- Battery-operated for portability
- Solid-state construction
Applications
- Audio and signal measurement
- Null detection and balance measurements
- Low-noise amplification in laboratory settings
- Field measurement and troubleshooting
Specifications
| Frequency Response | 20 Hz to 100 kHz (tunable in ranges) |
| Bandwidth | Approximately 5% (selectable narrow or broad) |
| Gain | 120 dB |
| Sensitivity | 0.1 V |
| Power Source | Battery-operated |
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General Radio 1232A Tuned Amplifier and Null Detector
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