980-H: Difference between revisions
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{{GR Product | |||
|model=980-H | |||
|codes=AWAIT | |||
|class=capacitance standards | |||
|summary=Decade Capacitor Unit | |||
|image=GR 980-H Front.jpg | |||
|caption=General Radio 980-H Decade Capacitor Unit | |||
|series=980 | |||
|introduced=1959 | |||
|discontinued=1965 | |||
|designers= | |||
|manuals= | |||
* '''Manual Needed.''' | |||
{{Catalog History}} | |||
}} | |||
The {{Title|General Radio 980-H Decade Capacitor Unit}} was introduced in {{Catalog P}} and remained available through {{Catalog S}}. | |||
The Type 980-H is a decade capacitance unit that contains four Type [[505]] silver mica standard capacitors. The capacitor values are selected in a "1-2-2-5" combination. In the Type 980-G these values are 0.001, 0.002, 0.002, and 0.005 μF. The eleven position [[980-P1]] switch maintains a combination of the four standard capacitors in parallel to produce the decade of capacitance values. The Type 980-G decade unit is a component of the Type [[1419-K]] Decade Capacitor. | |||
==Specifications== | ==Specifications== | ||
* '''Total Capacitance:''' 0.01 μF | |||
* '''Capacitance Per Step:''' 0.001 μF | |||
* '''Accuracy:''' two terminal ±0.5%, three terminal ±1.0% | |||
* '''Dissipation Factor:''' less than 0.0003 at 1 kHz | |||
* '''Maximum Voltage:''' 500 V | |||
* '''Frequency Limit at Maximum Voltage:''' 10 kHz | |||
* '''Dielectric:''' Silvered Mica | |||
==Links== | ==Links== | ||
* [[Media:GR Exp 980 Series 1457-K 10_1957.pdf|Experimenter October 1957 describing Type 980 and 1419-K]] | |||
* [[Media:GR Exp 505 1457-K 10_1957.pdf|Experimenter October 1957 describing Types 505 and 1457-K]] | |||
==Photos== | ==Photos== | ||
<gallery> | <gallery> | ||
GR 980-H Front.jpg | |||
GR 1419-K 980-H Left.jpg | |||
GR 1419-K 980-H Rear.jpg | |||
GR 1419-K 980-H Right A.jpg | |||
GR 1419-K 980-H Right.jpg | |||
</gallery> | </gallery> | ||
[[Category:Capacitance Standards]] | [[Category:Capacitance Standards]] | ||
Latest revision as of 21:48, 19 May 2024
The General Radio 980-H Decade Capacitor Unit was introduced in Catalog P (1959) and remained available through Catalog S (1965).
The Type 980-H is a decade capacitance unit that contains four Type 505 silver mica standard capacitors. The capacitor values are selected in a "1-2-2-5" combination. In the Type 980-G these values are 0.001, 0.002, 0.002, and 0.005 μF. The eleven position 980-P1 switch maintains a combination of the four standard capacitors in parallel to produce the decade of capacitance values. The Type 980-G decade unit is a component of the Type 1419-K Decade Capacitor.
Specifications
- Total Capacitance: 0.01 μF
- Capacitance Per Step: 0.001 μF
- Accuracy: two terminal ±0.5%, three terminal ±1.0%
- Dissipation Factor: less than 0.0003 at 1 kHz
- Maximum Voltage: 500 V
- Frequency Limit at Maximum Voltage: 10 kHz
- Dielectric: Silvered Mica
Links
- Experimenter October 1957 describing Type 980 and 1419-K
- Experimenter October 1957 describing Types 505 and 1457-K
