Post-Mixer Amplifier
Post Mixer Amplifier
Junk Box VFO
RF Preamplifier
Varactor tuned 4 to 24 MHz preselection filter.
Varactor tuned 4 to 24 MHz preselection filter.
Varactor tuned 1 to 6 MHz preselection filter.
My attempt to design an op-amp that is flat from 100 Hz to 30MHz
WA!FXT Potluck BFO ver. 1.0
40m BPF
Audio Amplifier
Discrete IF
Twin-T Sidetone Oscillator
kenwood DFC230
2P Xtal Ladder Filter ver 1.1
Discrete broadband RF Amp
VFO using Bipolar transistor and mechanical variable capacitor
BFO buffer
active AF LPF (formerly said: keyer)
at-mel avr and multipig pll
Post-Filter IF Amplifier
Potluck Inventory Excel spreadsheet
An extremely stable VFO (2100 KHz) designed for 40 meters with a 4.9137 MHz IF
Discrete Audio Amp
BFO/Carr Osc and Buffers
Updated ExpressPCB.sch file of Potluck part library & specs
Class AB Audio Amplifier
High-Power ARRL Antenna Tuner for Balanced or Unbalanced lines
Discrete Product Detector Ver 1.1
expressPCB.com Schematic Capture reference file for the Potluck Contest
Potluck IF Amplifier Strip ver 1.0
Semi-Lattice IF Filter
Double Balanced Mixer
multiPIG+ Transmitter
multiPIG+ Receiver
multiPIG+ SWR Meter
miniPIG 10 meter CW Transceiver
multiPIG+ PLL
multiPIG+ FCC Control Schematic
Half Lattice Filter - variable bandwidth
A 40/30/20/17/15/12/10 meter phased vertical antenna system
multiPIG+ Band Pass Filter
multiPIG+ Low Pass Filter
Single-Balanced Mixer
2 MHz VFO and RIT for 40M rig
Modified Parallel IF Amplifier
Diode Product Detector
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