HOMEMADE
ELECTRONICAL CIRCUITS AND ANTENNAS
homebrew projects
Home made
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50 mhz converter magic band using an NE602/612
schemas/yagi_vhf_antenna.htm
schemas/on6mu_6meter_verticalantenna.htm
schemas/on6muvhf58verticalantenna.htm
schemas/on6mu_vhfrubberduck.htm
schemas/vhf_portable_dipole_on6mu.htm
schemas/vipormutant.htm
schemas/antennatuner.htm
schemas/portableminituner.htm
schemas/78h05_powersupply.htm
Condor/condor16.htm modifications
Sensitive
LW/MW Shortwave general coverage receiver
13,8volt
12/20/22A POWER SUPPLY with BDX33 or 2N3055 overvoltage protected
10-meterband
transmitter oscillator for AM or CW with only two transistors
12-meterband
QRP AM oscillator transmitter using a 2N2219 transistor
Magnetic
Longwire Balun (MLB) also usable for dipoles
QRP Longwire balun
Magnetic
longwire balun and VHF-splitter
10 watt HF 15 meterband
amplifier using 2SC1969 or 2SC1944 or 2SC1173
10 watt HF 17 meterband
amplifier using 2SC1969 or 2SC1944 or 2SC1173
1 watt 10-meterband
AM/CW transmitter
0.5 watt 20-meterband
AM/CW transmitter
RF Powermeter / dummy
load
Viportmutant: Portable
(balcony) multi band HF-antenna
MAR-6 based preamp
updated
https://www.qsl.net/on6mu/schemas/vhf_portable_dipole_on6mu.htm
https://www.qsl.net/on6mu/schemas/on6mu_vhfrubberduck.htm
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