2SC1971 & 2SC1946A RF-amplifier
Coil data:
L3, L7 = 5 Turns, DIA. 6 mm, Wire 1 mm CuL (spaced) on one end of the coil (to the
power supply line) place a ferroxcube bead of approx. 3 mm diameter.
L2, L6 = 2 Turns, Wire 0.4 mm CuL on ferroxcube bead
L4, L8 = VK200 wideband choke
L1, L9, L10 = on pcb
L5 = 2 Turns, DIA. 7 mm, Wire 0.7 mm (spaced)
Coil data:
L3, L7 = 5 Turns, DIA. 6 mm, Wire 1 mm CuL (spaced) on one end of the coil (to the
power supply line) place a ferroxcube bead of approx. 3 mm diameter.
L2, L6 = 2 Turns, Wire 0.4 mm CuL on ferroxcube bead
L4, L8 = VK200 wideband choke
L1, L9, L10 = on pcb
L5 = 2 Turns, DIA. 7 mm, Wire 0.7 mm (spaced)
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