Schematics Page

* Block Diagram

* Basic Gain Block Amplifier

* 7.0 MHz Band Pass Filters

* Varactor Voltage Tuned Oscillator (VTO)

* 2N2222A Amplifier (As used on other projects.)

* SBL-1 Mixer Stage

* SA602 Product Detector & Carrier Oscillator

* LM386-3 Audio Amp with 2N3819 FET Mute Switch

* SA602 Transmit Mixer Stage

* NE555 TR Switch with TIP 42 Keying Transistor

* RF Pre-Driver and Driver Stage (2N2219A & 2N5109)

* Final RF Power Amp Stage (IRF510)

* Low Pass Filter Stage (W3NQN Design)

* LM317L 6 Volt Regulator Stage