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Posts tagged RF Circuit Design

RF Amplifier

RF amplifier circuit design RF Amplifier with MOSFET K2668, 2570, 2053 circuit diagram

Bass power amp

Bass power amp using MJL4281, BD139, BC559

Power audio stereo and layout

Making RF Switching for terror

When switching an antenna between a transmitter and receiver, the 1N914 or 1N4148 can still be used, but with decreasing success as the frequency rises. It is common practice in VHF transcievers to use a PN junction diode, but with a lightly doped “Intrinsic” region between the P and N layers. The diode is called […]

80 Metre Direct Conversion Receiver

80 Metre Direct Conversion Receiver using MPF102, LM386, BC548

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