650-P1: Difference between revisions
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* '''Open-Circuit Voltage:''' 10 to 15 V | * '''Open-Circuit Voltage:''' 10 to 15 V | ||
* '''Internal Impedance:''' 2000 Ω | * '''Internal Impedance:''' 2000 Ω | ||
* '''Amplifier | * '''Amplifier''' | ||
* '''Voltage Gain:''' 45 dB | * '''Voltage Gain:''' 45 dB | ||
* '''Selectivity:''' approximately 15 dB attenuation to second harmonic when tuned to 1 kHz | * '''Selectivity:''' approximately 15 dB attenuation to second harmonic when tuned to 1 kHz | ||
* '''DC Output | * '''DC Output''' | ||
* '''Open circuit voltage:''' 185 V, approximately | * '''Open circuit voltage:''' 185 V, approximately | ||
* '''Internal Resistance:''' 23 kΩ | * '''Internal Resistance:''' 23 kΩ | ||
Latest revision as of 18:07, 18 June 2024
The General Radio 650-P1 Oscillator-Amplifier was introduced in Catalog L (1948) and remained available through Catalog O (1956).
The Type 650-P1 is an accessory oscillator and amplifier for the Type 650-A Impedance Bridge. Its designed to fit into the empty battery compartment of the bridge. It provides a DC potential and 1 kHz generator for bridge measurements. A built-in amplifier is available for AC detector use. Amplifier gain is variable and a choice of tuned 1 kHz or flat frequency response. The 1 kHz generator output has a variable control.
- Caution: The DC output terminals have at least 185 V available and are uninsulated!
Specifications
- Oscillator
- Frequency: 1 kHz ±1%
- Harmonics: less than 4% at full output
- Open-Circuit Voltage: 10 to 15 V
- Internal Impedance: 2000 Ω
- Amplifier
- Voltage Gain: 45 dB
- Selectivity: approximately 15 dB attenuation to second harmonic when tuned to 1 kHz
- DC Output
- Open circuit voltage: 185 V, approximately
- Internal Resistance: 23 kΩ
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