- 1. [Amps] bipolar input and output impedance (score: 1)
- Author: Steve Thompson <g8gsq@fs2.com>
- Date: Fri, 05 Jun 2009 08:56:29 +0100
- MRF454 is a 12V transistor, TH430 runs from 45-50V. Follow Manfred's calculations and the transformer ratios will drop out. Motorola App note AN758 has a comprehensive design description that should
- /archives//html/Amps/2009-06/msg00036.html (6,857 bytes)
- 2. Re: [Amps] RF power transistor curve trace question (score: 1)
- Author: Steve Thompson <g8gsq@fs2.com>
- Date: Wed, 17 Jun 2009 12:21:59 +0100
- A method I used when on the manufacturing side was to put a defined current (typically a few 100s mA) through the b-e junction then measure the c-e voltage with a DVM. To all intents and purposes th
- /archives//html/Amps/2009-06/msg00076.html (7,882 bytes)
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