1424-A: Difference between revisions
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|class=capacitance standards | |class=capacitance standards | ||
|summary=Decade Capacitor | |summary=Decade Capacitor | ||
|image=GR 1424 Close-Up | |image=GR 1424 Close-Up.jpg | ||
|caption=General Radio 1424-A Decade Capacitor | |caption=General Radio 1424-A Decade Capacitor | ||
|series=1424 | |series=1424 | ||
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The {{Title|General Radio 1424-A Decade Capacitor}} was introduced in {{Catalog Q}} and remained available through {{Catalog 1973}}. | The {{Title|General Radio 1424-A Decade Capacitor}} was introduced in {{Catalog Q}} and remained available through {{Catalog 1973}}. | ||
The Type 1424-A is decade capacitor constructed with Polystyrene dielectric capacitors. With a total capacitance of 10 μF at 1 μF steps and | The Type 1424-A is decade capacitor constructed with Polystyrene dielectric capacitors. | ||
With a total capacitance of 10 μF at 1 μF steps and 500 V maximum voltage, it comprises a low dissipation decade standard. | |||
The aluminum outer case and panel are insulated from both capacitor terminals, so that either two- or three-terminal connections can be used. | |||
The connections are Type [[938-A]] Jack-Top binding posts plus a ground terminal with a shorting link. | |||
Each capacitor is supplied with a calibration certificate with up to date specifications. | |||
==Specifications== | ==Specifications== | ||
Latest revision as of 20:30, 24 July 2024
The General Radio 1424-A Decade Capacitor was introduced in Catalog Q (1961) and remained available through Catalog 1973.
The Type 1424-A is decade capacitor constructed with Polystyrene dielectric capacitors. With a total capacitance of 10 μF at 1 μF steps and 500 V maximum voltage, it comprises a low dissipation decade standard. The aluminum outer case and panel are insulated from both capacitor terminals, so that either two- or three-terminal connections can be used. The connections are Type 938-A Jack-Top binding posts plus a ground terminal with a shorting link. Each capacitor is supplied with a calibration certificate with up to date specifications.
Specifications
- Total Capacitance: 10 μF
- Capacitance per Step: 1 μF per step
- Dielectric: Polystyrene
- Adjustment Accuracy: ±0.25% at 1 kHz
- Maximum Safe Voltage: 500 V, peak, below 10 kHz
