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1216-A: Difference between revisions
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{{GR Product | |||
|model=1216-A | |||
|class=detectors amplifiers | |||
|summary=Unit if amplifier and dnt detector | |||
|image=GR 1216-A Front Close-up.jpg | |||
|caption=General Radio 1216-A Unit IF Amplifer and DNT Detector | |||
|introduced=1954 | |||
|discontinued=1968 | |||
|designers= | |||
|manuals= | |||
* '''Manual pending''' | |||
{{Catalog History}} | |||
* [[Media:GRwiki Catalog N OCR 1954.pdf|N (1954)]], p.118 | |||
* [[Media:GRwiki Catalog O OCR 1956.pdf|O (1956)]], p.68 | |||
* [[Media:GRwiki Catalog P OCR 1959.pdf|P (1959)]], p.66 | |||
* [[Media:GRwiki Catalog Q OCR 1961.pdf|Q (1961)]], p.58 | |||
* [[Media:GRwiki Catalog R OCR 1963.pdf|R (1963]], p.82 | |||
* [[Media:GRwiki Catalog S OCR 1965.pdf|S (1965)]], p.107 | |||
* [[Media:GRwiki Catalog T OCR 1968.pdf|T (1968)]], p.122 | |||
}} | |||
The '''General Radio 1216-A Unit IF Amplifer and DNT Detector''' was introduced in 1954 Catalog N and remained available through Catalog T 1968. | |||
==Specifications== | ==Specifications== | ||
* '''Center Frequency:''' 30 MHz | |||
* '''Bandwidth:''' 0.7 MHz at 3 dB down; 9.5 MHz at 60 dB down | |||
* '''Attenuator Range:''' 0 to 70 dB in lO dB steps, a single 3 dB step is also provided | |||
* '''Sensitivity:''' Less than 2 μV input from a 400 Ω source required for a 1% meter deflection (above noise). Less than 50 μV input from a 400 Ω source required for full-scale meter deflection. Input voltages referred to are open circuit source voltages. | |||
==Links== | ==Links== | ||
* [[Media:GR Exp 1216-A 05_1954.pdf|Experimenter describing Type 1216-A May 1954]] | |||
* [https://www.pa4tim.nl/?p=4696 GR1216-A @ PA4TIM Fred's pages] | * [https://www.pa4tim.nl/?p=4696 GR1216-A @ PA4TIM Fred's pages] | ||
==Photos== | ==Photos== | ||
<gallery> | <gallery> | ||
GR 1216-A Front Close-up.jpg | |||
GR 1216-A Left.jpg | |||
GR 1216-A Rear Cover Inside.jpg | |||
GR 1216-A Right.jpg | |||
GR 1216-A Top.jpg | |||
GR 1216-A Rear Open.jpg | |||
GR 1216-A Bottom.jpg | |||
GR 1216-A Bottom Rear.jpg | |||
</gallery> | </gallery> | ||