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Critic's Corner Discuss a review. Provide constructive feedback. Talk to the industry. |
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Critic's Corner Discuss a review. Provide constructive feedback. Talk to the industry. |
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In Reply to: RE: ATC transponders posted by rick_m on June 7, 2014 at 15:26:02:
My failed unit was a "transceiver" not a "transponder". It was a 90 channel Bayside VHF unit (BEI 990-P) dating back to the 60's, with the frequencies generated by mixing the output of two banks of crystals. The Mhz knob moved a crystal turret as well as a large plate via a cam. The plate moved slugs in and out of RF coils for tuning. In addition to the poor design of the output stage the unit had all kinds of mechanical stability problems. A real piece of junk. I bought it only because it was fairly low power and ran off of batteries.
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
Edits: 06/07/14
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Follow Ups
- RE: ATC transponders - Tony Lauck 16:08:16 06/07/14 (3)
- RE: ATC transponders - rick_m 16:58:02 06/07/14 (2)
- RE: ATC transponders - Tony Lauck 18:01:28 06/07/14 (1)
- RE: ATC transponders - rick_m 20:27:36 06/07/14 (0)
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