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August 18th 09, 03:17 PM
posted to rec.radio.shortwave,rec.radio.amateur.equipment
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Can I use wirewound resistors to build an HF attenuator?
"dave" wrote in message m... I need to lose about 5 dB from a 15 Watt exciter. Thanks. Simple answer is no. While you can build one with wirewound resistors , the normal formulars will not usually work at RF and you will have a lot of inductance to deal with. Even the socalled non-inductive resistors are only so at the audio frequencies. |
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