* SPICE netlist
Q1 Vcc1 N001 OUT 0 NP
R1 OUT 0 300
Q2 N001 N004 N005 0 NP
Q3 Vcc1 N003 N005 0 NP
R2 Vcc1 N001 400
R3 N005 0 1K
R4 Vcc1 N003 2K
R5 N010 0 1K
Q4 N003 Tank N010 0 NP
Q5 AGC N010 N012 0 NP
D1 AGC N007 DD
R6 N012 0 600
Q6 Vcc1 Tank N006 0 NP
Q7 Tank Bias N006 0 NP
R7 N007 0 25K
Q8 N009 N007 0 0 NP
R8 N006 N009 200
Q9 Vcc1 N002 N004 0 NP
D2 N011 0 DD
R9 N008 0 1K
R10 N002 N004 2K
R11 Vcc1 N002 2K
Q11 N004 Bias N008 0 NP
R12 Vcc1 Bias 1K
R13 Vcc1 AGC 25K
C1 AGC 0 .1
V1 Vcc1 0 5
C2 Bias 0 .1
L1 Tank Bias 1
C3 Tank Bias 10p
D3 Bias N011 DD
.tran 0 1.9m 0 1u startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1152 960
WIRE 384 -480 -144 -480
WIRE 576 -480 384 -480
WIRE -480 -448 -560 -448
WIRE -272 -448 -480 -448
WIRE -144 -448 -144 -480
WIRE -144 -448 -272 -448
WIRE 0 -448 -144 -448
WIRE 128 -448 0 -448
WIRE 208 -448 128 -448
WIRE 272 -448 208 -448
WIRE 384 -448 384 -480
WIRE 128 -432 128 -448
WIRE 272 -432 272 -448
WIRE 576 -432 576 -480
WIRE -560 -416 -560 -448
WIRE -480 -416 -480 -448
WIRE 384 -384 384 -448
WIRE 0 -368 0 -448
WIRE -272 -352 -272 -448
WIRE 272 -336 272 -352
WIRE 320 -336 272 -336
WIRE 208 -320 208 -448
WIRE 272 -320 272 -336
WIRE -560 -304 -560 -336
WIRE -336 -304 -560 -304
WIRE 576 -304 576 -352
WIRE -560 -288 -560 -304
WIRE 128 -272 128 -352
WIRE 144 -272 128 -272
WIRE 352 -272 336 -272
WIRE 208 -208 208 -224
WIRE 240 -208 208 -208
WIRE 272 -208 272 -224
WIRE 272 -208 240 -208
WIRE -560 -192 -560 -208
WIRE -272 -192 -272 -256
WIRE -272 -192 -560 -192
WIRE 352 -192 352 -272
WIRE 352 -192 -272 -192
WIRE 128 -176 128 -272
WIRE 384 -144 384 -288
WIRE 416 -144 384 -144
WIRE -208 -128 -288 -128
WIRE -64 -128 -208 -128
WIRE 64 -128 -64 -128
WIRE -560 -112 -560 -192
WIRE -208 -112 -208 -128
WIRE -144 -112 -144 -448
WIRE -480 -64 -480 -336
WIRE -480 -64 -496 -64
WIRE -400 -64 -480 -64
WIRE -272 -64 -400 -64
WIRE -64 -64 -64 -128
WIRE -64 -64 -80 -64
WIRE -480 0 -480 -64
WIRE -208 0 -208 -16
WIRE -176 0 -208 0
WIRE -144 0 -144 -16
WIRE -144 0 -176 0
WIRE -176 16 -176 0
WIRE 240 32 240 -208
WIRE 384 32 384 -144
WIRE -80 48 -96 48
WIRE 0 48 0 -288
WIRE 0 48 -16 48
WIRE 48 48 0 48
WIRE -560 64 -560 -16
WIRE 48 64 48 48
WIRE -176 112 -176 96
WIRE 128 112 128 -80
WIRE 128 112 112 112
WIRE -480 144 -480 64
WIRE 128 144 128 112
WIRE -96 160 -96 48
WIRE -96 160 -112 160
WIRE -96 176 -96 160
WIRE 48 176 48 160
WIRE -560 272 -560 144
WIRE -480 272 -480 208
WIRE -480 272 -560 272
WIRE -176 272 -176 208
WIRE -176 272 -480 272
WIRE 48 272 48 256
WIRE 48 272 -176 272
WIRE 128 272 128 224
WIRE 128 272 48 272
WIRE 240 272 240 112
WIRE 240 272 128 272
WIRE 384 272 384 112
WIRE 384 272 240 272
WIRE -480 304 -480 272
WIRE -400 304 -400 -64
WIRE -288 304 -288 -128
WIRE -96 304 -96 256
WIRE 0 304 0 48
WIRE 0 320 0 304
WIRE -480 336 -480 304
WIRE -96 336 -96 304
WIRE -400 400 -400 304
WIRE -400 400 -416 400
WIRE -384 400 -400 400
WIRE -288 400 -288 304
WIRE -288 400 -320 400
WIRE 0 400 0 384
WIRE -400 480 -400 400
WIRE -384 480 -400 480
WIRE -288 480 -288 400
WIRE -288 480 -304 480
FLAG 384 -448 Vcc1
FLAG 416 -144 OUT
FLAG 0 304 AGC
FLAG -96 304 Vee
FLAG -144 -480 Vcc2
FLAG -288 304 Tank
FLAG -400 304 Bias
FLAG -480 304 Vee1
FLAG -480 336 0
FLAG -96 336 0
FLAG 0 400 0
FLAG 576 -304 0
FLAG -480 400 0
SYMBOL npn 320 -384 R0
SYMATTR InstName Q1
SYMATTR Value NP
SYMBOL res 368 16 R0
SYMATTR InstName R1
SYMATTR Value 300
SYMBOL npn 336 -320 M0
SYMATTR InstName Q2
SYMATTR Value NP
SYMBOL npn 144 -320 R0
SYMATTR InstName Q3
SYMATTR Value NP
SYMBOL res 256 -448 R0
SYMATTR InstName R2
SYMATTR Value 400
SYMBOL res 224 16 R0
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL res 112 -448 R0
SYMATTR InstName R4
SYMATTR Value 2K
SYMBOL res 112 128 R0
SYMATTR InstName R5
SYMATTR Value 1K
SYMBOL npn 64 -176 R0
SYMATTR InstName Q4
SYMATTR Value NP
SYMBOL npn 112 64 M0
SYMATTR InstName Q5
SYMATTR Value NP
SYMBOL diode -16 32 R90
SYMATTR InstName D1
SYMATTR Value DD
SYMBOL res 32 160 R0
SYMATTR InstName R6
SYMATTR Value 600
SYMBOL npn -80 -112 M0
SYMATTR InstName Q6
SYMATTR Value NP
SYMBOL npn -272 -112 R0
SYMATTR InstName Q7
SYMATTR Value NP
SYMBOL res -112 160 R0
SYMATTR InstName R7
SYMATTR Value 25K
SYMBOL npn -112 112 M0
SYMATTR InstName Q8
SYMATTR Value NP
SYMBOL res -192 0 R0
SYMATTR InstName R8
SYMATTR Value 200
SYMBOL npn -336 -352 R0
SYMATTR InstName Q9
SYMATTR Value NP
SYMBOL diode -496 144 R0
SYMATTR InstName D2
SYMATTR Value DD
SYMBOL res -576 48 R0
SYMATTR InstName R9
SYMATTR Value 1K
SYMBOL res -576 -304 R0
SYMATTR InstName R10
SYMATTR Value 2K
SYMBOL res -576 -432 R0
SYMATTR InstName R11
SYMATTR Value 2K
SYMBOL npn -496 -112 M0
SYMATTR InstName Q11
SYMATTR Value NP
SYMBOL res -496 -432 R0
SYMATTR InstName R12
SYMATTR Value 1K
SYMBOL res -16 -384 R0
SYMATTR InstName R13
SYMATTR Value 25K
SYMBOL cap -16 320 R0
SYMATTR Value .1
SYMATTR InstName C1
SYMBOL voltage 576 -448 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL cap -416 384 R90
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL ind -288 464 R90
SYMATTR InstName L1
SYMATTR Value 1
SYMBOL cap -320 384 R90
SYMATTR InstName C3
SYMATTR Value 10p
SYMBOL diode -496 0 R0
SYMATTR InstName D3
SYMATTR Value DD