TV RF Power Amplifier 14W

From #1 TV RF Power Amplifier 14W

BIAS CIRCUIT
Below is the RF power amplifier's components part list and bias circuit for supply feeding.

TV RF Power Amplifier 14W circuit
C1, C2, C4, C5, C6 = 1nF LCC Chip + 10nF LCC Chip
C3 = 100µF Sprague
C7 = 10µF Sprague
D1 = 1N 4001
L1, L2 = 5 Turns , Diameter 0.5 mm, W Diameter 3mm
P1 = 1k.
R1 = 56 ohm/ 1/2W
R2 = 5600 ohm, 1/2W
R3 = 2.2 ohm, 3W
R4, R5 = 56 ohm, 1W
R6 = 4,7 ohm, 1/2W
T1 : BDX 54 B/BD139
TV RF Power Amplifier 14W pcb

Printed Circuit Board
you can Click image for enlarge and see more deatil of printed circuit board and component layout.

TV RF Power Amplifier 14W pcb 1
TV RF Power Amplifier 14W