64 - RF Design Challenges: PART 1 - THE BUGBEAR OF BETA
Автор: M0NTV Homebrewing
Загружено: 2025-06-27
Просмотров: 7690
Nick M0NTV begins to examine some of the challenges to designing a simple small signal transistor amplifier for RF. This uses a single 2N3904 transistor in Common Emitter configuration. This is part 1 of a 2 part mini-series and looks at BETA (hFE) - the current gain of the transistor.
If you haven't watched the previous video about designing a simple transistor AUDIO amplifier then you can check it out here:
• 57 - Designing a Simple Transistor Amplifier
Likewise you might find it helpful to have a look at the one on small signal analysis (including calculating input and output impedance):
• 58 - Small Signal Analysis (AC Calculations)
You can download my LTSpice simulation here:
https://drive.google.com/file/d/1gEr6...
Thanks for watching and for supporting the channel.
73, Nick M0NTV
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