| To: | tentec@contesting.com |
|---|---|
| Subject: | Re: [TenTec] 1208 Transverter |
| From: | "Dr. Gerald N. Johnson" <geraldj@storm.weather.net> |
| Reply-to: | geraldj@storm.weather.net, Discussion of Ten-Tec Equipment <tentec@contesting.com> |
| Date: | Tue, 13 Jan 2009 14:05:26 -0600 |
| List-post: | <mailto:tentec@contesting.com> |
On Tue, 2009-01-13 at 13:26 -0600, Stuart Rohre wrote: > Since the pin diodes are a differing switching character from the > silicon 1N4148, I wonder if you would get the true PIN switching by using > 1N4007 diodes. These power rectifiers are tough, but were made with PIN > chips, at least some years ago. > > Stuart Rohre > K5KVH > Reports on RF switching diodes at HF that I've seen say the 1N4148 works but tends to have some distortion problems. The 1N4007 is indeed a halfway decent PIN diode and pretty rugged. The true made for RF switching PIN diode has the best linearity. 73, Jerry, K0CQ |
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