* SPICE netlist
Q5 N001 N006 N007 0 2N3904
Q7 N001 N007 OUT 0 2N2219A
Q8 OUT N013 N014 0 2N2219A
Q6 N013 N012 OUT 0 2N3906
V1 N001 0 10
V2 N014 0 -10
R11 N012 N014 5K
R14 OUT 0 8
R9 N006 N008 2K
R10 N008 N012 1K
Q4 N006 N008 N012 0 2N3904
Q1 N002 N009 N011 0 2N3904
Q2 N001 N010 N011 0 2N3904
R2 N001 N002 200
R3 N011 N014 1K
Q3 N006 N005 N004 0 2N3906
R6 N010 0 5K
R7 OUT N010 50K
V3 IN 0 AC 1
R1 N009 IN 5K
R8 N001 N004 100
R4 N003 N002 9K
C2 N006 N005 100p
C1 N003 N002 10p
R13 N013 N014 1K
R12 N007 OUT 1K
C3 N006 N012 .001
R5 N005 N003 1K
.noise V(out) V3 oct 100 1 20K
.meas total_output_refered_rms_noise INTEG V(onoise)
.meas total_input_refered_rms_noise INTEG V(inoise)

* LTspice schematic (.asc)
Version 4
SHEET 1 1408 864
WIRE -304 -432 -464 -432
WIRE 80 -432 -304 -432
WIRE 448 -432 80 -432
WIRE 592 -432 448 -432
WIRE 688 -432 592 -432
WIRE 80 -416 80 -432
WIRE -464 -400 -464 -432
WIRE -224 -384 -256 -384
WIRE -144 -384 -160 -384
WIRE 688 -384 688 -432
WIRE 80 -320 80 -336
WIRE -464 -272 -464 -320
WIRE -256 -272 -256 -384
WIRE -256 -272 -464 -272
WIRE -240 -272 -256 -272
WIRE -144 -272 -144 -384
WIRE -144 -272 -160 -272
WIRE -112 -272 -144 -272
WIRE -16 -272 -32 -272
WIRE 16 -272 -16 -272
WIRE 688 -272 688 -304
WIRE 448 -240 448 -432
WIRE -16 -192 -16 -272
WIRE 0 -192 -16 -192
WIRE 80 -192 80 -224
WIRE 80 -192 64 -192
WIRE 240 -192 80 -192
WIRE 336 -192 240 -192
WIRE 384 -192 336 -192
WIRE 80 -176 80 -192
WIRE 592 -160 592 -432
WIRE 240 -128 240 -192
WIRE 336 -112 336 -192
WIRE 448 -112 448 -144
WIRE 528 -112 448 -112
WIRE 448 -96 448 -112
WIRE 80 -80 80 -96
WIRE 176 -80 80 -80
WIRE -464 -48 -464 -272
WIRE -304 -48 -304 -432
WIRE -640 0 -704 0
WIRE -528 0 -560 0
WIRE -208 0 -240 0
WIRE -128 0 -208 0
WIRE 448 0 448 -16
WIRE 448 0 -48 0
WIRE 592 0 592 -64
WIRE 592 0 448 0
WIRE 704 0 592 0
WIRE 80 16 80 -80
WIRE -208 32 -208 0
WIRE 704 32 704 0
WIRE -704 48 -704 0
WIRE 448 64 448 0
WIRE -464 96 -464 48
WIRE -384 96 -464 96
WIRE -304 96 -304 48
WIRE -304 96 -384 96
WIRE 80 112 80 96
WIRE 240 112 240 -32
WIRE 240 112 80 112
WIRE 336 112 336 -48
WIRE 336 112 240 112
WIRE 384 112 336 112
WIRE 592 128 592 0
WIRE -208 144 -208 112
WIRE 80 144 80 112
WIRE 704 144 704 112
WIRE -384 160 -384 96
WIRE -704 176 -704 128
WIRE 448 176 448 160
WIRE 528 176 448 176
WIRE 448 192 448 176
WIRE -384 288 -384 240
WIRE 80 288 80 224
WIRE 80 288 -384 288
WIRE 448 288 448 272
WIRE 448 288 80 288
WIRE 592 288 592 224
WIRE 592 288 448 288
WIRE 688 288 592 288
WIRE 688 336 688 288
WIRE 688 432 688 416
FLAG 688 -272 0
FLAG 688 432 0
FLAG 704 144 0
FLAG -208 144 0
FLAG -704 176 0
FLAG -704 0 IN
FLAG 704 0 OUT
SYMBOL NPN 384 -240 R0
SYMATTR InstName Q5
SYMATTR Value 2N3904
SYMBOL npn 528 -160 R0
SYMATTR InstName Q7
SYMATTR Value 2N2219A
SYMBOL npn 528 128 R0
SYMATTR InstName Q8
SYMATTR Value 2N2219A
SYMBOL PNP 384 160 M180
SYMATTR InstName Q6
SYMATTR Value 2N3906
SYMBOL VOLTAGE 688 -400 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL voltage 688 320 R0
SYMATTR InstName V2
SYMATTR Value -10
SYMBOL RES 64 128 R0
SYMATTR InstName R11
SYMATTR Value 5K
SYMBOL res 688 16 R0
SYMATTR InstName R14
SYMATTR Value 8
SYMBOL res 64 -192 R0
SYMATTR InstName R9
SYMATTR Value 2K
SYMBOL res 64 0 R0
SYMATTR InstName R10
SYMATTR Value 1K
SYMBOL npn 176 -128 R0
SYMATTR InstName Q4
SYMATTR Value 2N3904
SYMBOL npn -528 -48 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL npn -240 -48 M0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res -480 -416 R0
SYMATTR InstName R2
SYMATTR Value 200
SYMBOL res -400 144 R0
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL pnp 16 -224 M180
SYMATTR InstName Q3
SYMATTR Value 2N3906
SYMBOL res -224 16 R0
SYMATTR InstName R6
SYMATTR Value 5K
SYMBOL res -32 -16 R90
SYMATTR InstName R7
SYMATTR Value 50K
SYMBOL voltage -704 32 R0
SYMATTR InstName V3
SYMATTR Value AC 1
SYMBOL res -544 -16 R90
SYMATTR InstName R1
SYMATTR Value 5K
SYMBOL res 64 -432 R0
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL res -144 -288 R90
SYMATTR InstName R4
SYMATTR Value 9K
SYMBOL cap 64 -208 R90
SYMATTR InstName C2
SYMATTR Value 100p
SYMBOL cap -160 -400 R90
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL res 432 176 R0
SYMATTR InstName R13
SYMATTR Value 1K
SYMBOL res 432 -112 R0
SYMATTR InstName R12
SYMATTR Value 1K
SYMBOL cap 320 -112 R0
SYMATTR InstName C3
SYMATTR Value .001
SYMBOL res -16 -288 R90
SYMATTR InstName R5
SYMATTR Value 1K