Heathkit VF 1 VFO - Exploded
28:13
DX-40 Servicing Part 1
28:06
Heathkit DX-40 Part 2
12:22
The Heathkit VF-1 Variable Frequency Oscillator (VFO).
22:38
Valve VFO's: Stabilising The Unstabilisable?
10:57
Arduino for Amateur Radio: DDS VFO using the AD9850
16:07
Analog VFO Project For The 40m Band ( 7 MHz Variable Frequency Oscillator )
20:55
CHOKE - winding a HOMEBREW 2.5 mH choke
16:16