107-J: Difference between revisions
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(data from Catalog N) |
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{{GR Product | {{GR Product | ||
|model=107-J | |model=107-J | ||
|codes=HAREM | |||
|class=inductance standards | |class=inductance standards | ||
|summary=Variable Inductor | |summary=Variable Inductor | ||
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==Specifications== | ==Specifications== | ||
* '''Self-Inductance Series:''' | * '''Self-Inductance Series:''' 9 to 50 μH | ||
* '''Self-Inductance Parallel:''' | * '''Self-Inductance Parallel:''' 2.25 to 12.5 μH | ||
* '''Mutual-Inductance:''' 0 to | * '''Mutual-Inductance:''' 0 to 10.8 μH | ||
* '''Accuracy:''' 1% | * '''Accuracy:''' 1% | ||
* '''Maximum Current:''' 16 A | * '''Maximum Current:''' 16 A | ||
* '''DC Resistance:''' 0.053 Ω | * '''DC Resistance:''' 0.053 Ω | ||
* '''Maximum Power:''' | * '''Maximum Power:''' 15 W | ||
==Links== | ==Links== | ||
Revision as of 05:11, 4 May 2024
The General Radio 107-J Variable Inductor was introduced in Catalog H (1935) and remained available through Catalog T (1968).
The Type 107-J is a variable inductor or "Variometer" of the Ayrton–Perry winding design. It contains two circular coils arranged within one another, a stator or fixed coil and a rotor coil attached to a calibrated inductance dial. By changing the orientation of the rotor coil, inductance can be varied. The leads of the two coils are brought out to four binding posts where connections determine series, parallel or mutual inductance settings. Shorting links are provided for this purpose. The 107-J featured a Bakelite panel and walnut case. A tag attached to the panel displays the actual values.
Specifications
- Self-Inductance Series: 9 to 50 μH
- Self-Inductance Parallel: 2.25 to 12.5 μH
- Mutual-Inductance: 0 to 10.8 μH
- Accuracy: 1%
- Maximum Current: 16 A
- DC Resistance: 0.053 Ω
- Maximum Power: 15 W
Links
- Experimenter June 1932 describing Type 107 Series
- Experimenter January 1935 describing Type 107 Series
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