1214-M: Difference between revisions
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Type | {{GR Product | ||
|model=1214-M | |||
|codes=ATONE,1214-9713 | |||
|class=oscillators | |||
|summary=Unit oscillator | |||
|image=GR 1214-M Front.jpg | |||
|caption=General Radio 1214-M Unit Oscillator | |||
|series=1214 | |||
|introduced=1959 | |||
|discontinued=1965 | |||
|designers= | |||
|manuals= | |||
* [[Media:GRwiki 1214-A,D,E,M Unit Oscillator 922-D 1960.pdf|General Radio 1214 Series Unit Oscillator Manual 922-D 1960]] | |||
{{Catalog History}} | |||
}} | |||
The {{Title|General Radio 1214-M Unit Oscillator}} was introduced in {{Catalog P}} and remained available through {{Catalog S}}. | |||
The Type 1214-M is a member of the Unit Oscillator family that uses a self contained power supply. The single 117N7 tube contains the power supply rectifier and beam PA as the oscillator. The 1 MHz output is used as a generator for bridge measurements, and is part of the [[1610-AH]] capacitance measurement system. Other members of Type 1214 family are [[1214-A]], [[1214-D]], and [[1214-E]]. Like others in 1214 family, the 1214-M uses a transformerless power supply. | |||
==Specifications== | ==Specifications== | ||
* '''Frequency:''' 1 MHz | |||
* '''Frequency Accuracy:''' ±1% | |||
* '''Maximum Output:''' 300 mW into 50 Ω | |||
* '''Distortion:''' 3.5% with 50 Ω load | |||
==Links== | ==Links== | ||
* [[Media:GR Exp 1214-M 11_1958.pdf|Experimenter describing Type 1214-M 1958]] | |||
==Photos== | ==Photos== | ||
<gallery> | <gallery> | ||
GR 1214-M Front A.jpg | |||
GR 1214-M Left.jpg | |||
GR 1214-M Right.jpg | |||
GR 1214-M Rear B.jpg | |||
GR 1214-M Rear C.jpg | |||
GR 1214-M Bottom.jpg | |||
</gallery> | </gallery> | ||
[[Category:Oscillators]] | [[Category:Oscillators]] | ||
[[Category:Unit Instruments]] | [[Category:Unit Instruments]] | ||
Latest revision as of 22:52, 21 April 2024
The General Radio 1214-M Unit Oscillator was introduced in Catalog P (1959) and remained available through Catalog S (1965).
The Type 1214-M is a member of the Unit Oscillator family that uses a self contained power supply. The single 117N7 tube contains the power supply rectifier and beam PA as the oscillator. The 1 MHz output is used as a generator for bridge measurements, and is part of the 1610-AH capacitance measurement system. Other members of Type 1214 family are 1214-A, 1214-D, and 1214-E. Like others in 1214 family, the 1214-M uses a transformerless power supply.
Specifications
- Frequency: 1 MHz
- Frequency Accuracy: ±1%
- Maximum Output: 300 mW into 50 Ω
- Distortion: 3.5% with 50 Ω load
