Going back in time: “Old school” transceiver for 20 meters with 20 watts of output – DK7IH QRP Engineering
BF998 Datasheet, MOS-Fieldeffect Tetrode.
RF Mixer / Mezcladores de RF - Littlesoft electronics
rf - Dual gate fet mixer design problem - Electrical Engineering Stack Exchange
50 MHz Transverter
Going back in time: “Old school” transceiver for 20 meters with 20 watts of output – DK7IH QRP Engineering
50 MHz Transverter
QRP HomeBuilder - QRPHB -: November 2014
QRP HomeBuilder - QRPHB -: November 2014
RF Mixer / Mezcladores de RF - Littlesoft electronics
Dual-Gate MOSFET Breakout PCB / BF998 or BF2040 / Device Pre-installed / QTY: 3 | eBay
Dual-Gate MOSFETs « Mostly DIY RF
AM-Receiver for Aircraft communication
AM-Receiver for Aircraft communication
Dual Band Transceiver for 1
2xbf998
Dual-Gate MOSFET Breakout PCB / BF998 or BF2040 / Device Pre-installed / QTY: 3 | eBay
Stable, 18-MHz Oscillator Features Automatic Level Control, Clean-Sine-Wave Output
The (much maligned) HW-7 Receiver - SolderSmoke Daily News
WA7MLH OSHPark Share1 Page
OSH Park ~ Shared Projects by WA7MLH
LF Regen - Experimental Building Notes • AmateurRadio.com
50 MHz Transverter
Very High IP3 BF998 2m
Very High IP3 BF998 2m
marxy's musing on technology: Home brew HF SSB transceiver by VK3EPW
Going back in time: “Old school” transceiver for 20 meters with 20 watts of output – DK7IH QRP Engineering
