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The {{Title|General Radio 980-A Decade Capacitor Unit}} was introduced in {{Catalog O}} and remained available through {{Catalog S}}. | The {{Title|General Radio 980-A Decade Capacitor Unit}} was introduced in {{Catalog O}} and remained available through {{Catalog S}}. | ||
The Type 980-A is a decade capacitance unit comprising four polystyrene capacitors sealed in | The Type 980-A is a decade capacitance unit comprising four polystyrene capacitors sealed in two brass tubs mounted on either side of the switch. The capacitor values are selected in a "1-2-2-5" combination. In the Type 980-A these values are 0.1, 0.2, 0.2, and 0.5 μF. The eleven position switch maintains a combination of the four standard capacitors in parallel to produce the decade of capacitance values. The Type 980-A decade units are used in the Types [[1419-A]] and [[1419-B ]] Decade Capacitors. | ||
==Specifications== | ==Specifications== |
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