LDG QRP tuner


QRP automatic tuner Kit

This tuner works from 1.8 to 30 MHz with rf power range 0,1-10 Watts (30 Watts max in 50% duty cicle ssb/cw). It is made by a switched configuration with 8 capacitors, 8 inductors and hi/low Z settings to provide over 131000 tuning combinations. It is possible to tune impedances from abouth 6 Ohm to 800 Ohm. Nice old kit from LDG, replaced with the Z-11 series with latch relais and new tuning algorithms to make the tuning process quicker.