Schematics Page

* W3NQN 20M LPF

* W3NQN 80M LPF

* Receiver RF Amplifier

* 20 Meter Band Pass Filter

* 80 Meter Band Pass Filter

* MMIC Bilateral Amplifier Stages (Three Places)

* Rx & Tx Mixer Stage

* 9.0 MHz Crystal Filter & Matching Network

* Carrier Oscillator, Balanced Modulator and Product Detector

* Receiver Audio Pre-Amp and Amplifier Stage

* Microphone Amplifier Stage

* Varactor Tuned Oscillator and RF Amplifier

* Si570 Frequency Generator Kit

* 32 MHz Low Pass Filter for the Si570 Generator

* Optical Encoder to Mechanical Encoder Interface (Si570 Kit)

* Transmit Amplifier Stage

* Solid State TR Switch

* 800 Hz Audio Oscillator