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June 23rd 04, 06:34 AM
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RCA 7213 Transmitting tube + Duplexors
"*" wrote in message ... On ebay at http://tinyurl.com/2ob99 RCA 7213 AF High power High frequency Transmitting Tube Ceramic. NOS 7213 is rare and desirable for use at UHF 1.5KW. Unused, good filament and no shorts. Coaxial socketed tubes. They are supposed to be a good tube for around 1200 MHz but are excellent for 432 MHz. These are HUGE and have a very large anode similar in diameter to an 8877 but not as tall. They have a pink cermamic on the sides. These tubes cost thousands of dollars each when new. http://www.surplussales.com/Tubes-So...eSpecials.html I was going to use it for a project, never got around to doing it. data sheet at http://www.g8wrb.org/ On ebay at http://tinyurl.com/2rwl5 Decibel Tranceiver Duplexer DB4076W-A, 450 to 470, 4 resonant cavities 19 inch rack mount about 5 inches tall, 10 inches deep. From good working repeater, used about 5 months. |
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