Version 4 SHEET 1 3348 1480 WIRE -384 -208 -752 -208 WIRE 0 -208 -384 -208 WIRE 224 -208 0 -208 WIRE 384 -208 224 -208 WIRE 560 -208 384 -208 WIRE 1232 -208 1040 -208 WIRE 384 -112 384 -208 WIRE -752 -64 -752 -208 WIRE 0 -48 0 -208 WIRE 1232 -48 1232 -208 WIRE 384 16 384 -48 WIRE 560 16 560 -208 WIRE -384 32 -384 -208 WIRE 1040 32 1040 -208 WIRE -384 64 -384 32 WIRE 224 96 224 -208 WIRE 1232 112 1232 32 WIRE -640 128 -1072 128 WIRE -464 128 -640 128 WIRE -432 128 -464 128 WIRE 224 128 224 96 WIRE -384 160 -384 144 WIRE -384 176 -384 160 WIRE -336 176 -384 176 WIRE -224 176 -336 176 WIRE 0 176 0 32 WIRE 0 176 -160 176 WIRE 144 176 0 176 WIRE 160 176 144 176 WIRE -1072 208 -1072 128 WIRE -640 240 -640 128 WIRE 224 256 224 224 WIRE 224 304 224 256 WIRE 368 304 224 304 WIRE 560 304 560 96 WIRE 560 304 432 304 WIRE 1040 304 1040 112 WIRE 1040 304 560 304 WIRE 1216 304 1040 304 WIRE 1424 304 1280 304 WIRE 224 336 224 304 WIRE -752 352 -752 16 WIRE -640 352 -640 320 WIRE -640 352 -752 352 WIRE 0 352 0 176 WIRE -384 368 -384 176 WIRE -640 384 -640 352 WIRE 1456 480 320 480 WIRE -1072 560 -1072 288 WIRE -640 560 -640 464 WIRE -384 560 -384 448 WIRE 0 560 0 432 WIRE 224 560 224 416 WIRE 320 608 320 480 WIRE 1456 608 1456 480 WIRE 1456 608 320 608 WIRE 320 736 320 608 WIRE 1456 736 1456 608 WIRE 1456 736 320 736 WIRE 320 864 320 736 WIRE 1456 864 1456 736 WIRE 1456 864 320 864 FLAG 144 176 B FLAG 224 96 C FLAG 224 256 E FLAG -1072 560 0 FLAG -640 560 0 FLAG -384 560 0 FLAG 224 560 0 FLAG 1232 112 0 FLAG 384 16 0 FLAG -464 128 g FLAG -336 176 s FLAG -384 32 d FLAG 1424 304 out FLAG 0 560 0 SYMBOL npn 160 128 R0 SYMATTR InstName Q1 SYMATTR Value 2N5109 SYMBOL voltage 1232 -64 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 13.8 SYMBOL Misc\\EuropeanResistor -768 -80 R0 SYMATTR InstName R1 SYMATTR Value 1Meg SYMBOL Misc\\EuropeanResistor -656 224 R0 SYMATTR InstName R2 SYMATTR Value 1Meg SYMBOL Misc\\EuropeanResistor -656 368 R0 SYMATTR InstName R3 SYMATTR Value 1Meg SYMBOL Misc\\EuropeanResistor -400 352 R0 SYMATTR InstName R4 SYMATTR Value 680 SYMBOL Misc\\EuropeanResistor 208 320 R0 SYMATTR InstName R5 SYMATTR Value 220 SYMBOL Misc\\EuropeanCap 432 288 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 100n SYMBOL Misc\\EuropeanCap 1280 288 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 100n SYMBOL ind 544 0 R0 SYMATTR InstName L1 SYMATTR Value 470u SYMBOL ind 1024 16 R0 SYMATTR InstName L2 SYMATTR Value 470u SYMBOL Misc\\EuropeanCap 400 -48 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 4 Left 2 SYMATTR InstName C3 SYMATTR Value 100n SYMBOL Misc\\signal -1072 192 R0 WINDOW 123 24 132 Left 2 WINDOW 39 24 160 Left 2 SYMATTR InstName V2 SYMATTR Value SINE(0 1 136k) SYMATTR Value2 AC 10u SYMATTR SpiceLine Rser=1.5Meg SYMBOL Misc\\EuropeanResistor -16 -64 R0 SYMATTR InstName R6 SYMATTR Value 2k2 SYMBOL Misc\\EuropeanResistor -16 336 R0 SYMATTR InstName R7 SYMATTR Value 10k SYMBOL Misc\\EuropeanCap -224 192 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C4 SYMATTR Value 100n SYMBOL njf -432 64 R0 SYMATTR InstName J1 SYMATTR Value J310 TEXT 432 552 Left 5 ;PA0RDT Active Antenna chematic TEXT 432 664 Left 5 ;Simulated by 7L1RLL TEXT 432 784 Left 5 ;Initial Released April 13 2021 TEXT -1130 -170 Left 2 !.tran 0 1m 1u 100 TEXT 720 240 Left 2 ;Coaxial Cable TEXT -1104 40 Left 2 ;RF Prove