* SPICE netlist
Q5 N001 SIGA GAINB 0 MRF9411
Q1 OUTA CARRB N001 0 MRF9411
Q3 OUTA CARRA N002 0 MRF9411
Q2 OUTB CARRA N001 0 MRF9411
Q4 OUTB CARRB N002 0 MRF9411
Q6 N002 SIGB GAINA 0 MRF9411
C1 SIGA Vm 2p
C2 SIGB Vm 2p
Q7 GAINB BIAS N004 0 MRF9411
Q8 GAINA BIAS N005 0 MRF9411
R1 N005 Vm 500
R2 N004 Vm 500
Q9 BIAS BIAS N003 0 MRF9411
R3 N003 Vm 500
+ IS = 4.558E-16
+ BF = 136
+ NF = 0.9979
+ VAF = 21
+ IKF = 0.7
+ ISE = 3.087E-14
+ NE = 2
+ BR = 42
+ NR = 0.993
+ VAR = 2.9
+ IKR = 0.016
+ ISC = 3.411E-17
+ NC = 1.087
+ RB = 7
+ IRB = 8E-05
+ RBM = 8
+ RE = 0.45
+ RC = 8
+ XTB = 0
+ EG = 1.11
+ XTI = 3
+ CJE = 8.6E-13
+ VJE = 0.94
+ MJE = 0.42
+ CJC = 4.3E-13
+ VJC = 0.35
+ MJC = 0.21
+ XCJC = 0.44
+ TF = 1.3E-11
+ XTF = 400
+ VTF = 6
+ ITF = 1.5
+ PTF = 47
+ TR = 1E-09
+ FC = 0.98

* LTspice schematic (.asc)
Version 4
SHEET 1 1216 1328
WIRE 512 -664 496 -664
WIRE -144 -440 -144 -632
WIRE -144 -440 -208 -440
WIRE 160 -440 160 -632
WIRE 224 -440 160 -440
WIRE -208 -280 -208 -440
WIRE 160 -280 -208 -280
WIRE 224 -248 224 -440
WIRE 224 -248 -144 -248
WIRE -608 -216 -608 -632
WIRE 16 -216 -608 -216
WIRE -208 -136 -208 -280
WIRE -144 -136 -144 -248
WIRE 160 -136 160 -280
WIRE 224 -136 224 -248
WIRE -272 -88 -304 -88
WIRE 16 -88 16 -216
WIRE 16 -88 -80 -88
WIRE 96 -88 16 -88
WIRE 304 -88 288 -88
WIRE 512 -88 512 -664
WIRE 512 -88 304 -88
WIRE -208 8 -208 -40
WIRE -176 8 -208 8
WIRE -144 8 -144 -40
WIRE -144 8 -176 8
WIRE 160 8 160 -40
WIRE 192 8 160 8
WIRE 224 8 224 -40
WIRE 224 8 192 8
WIRE -304 56 -304 -88
WIRE 304 56 304 -88
WIRE 304 56 -304 56
WIRE -176 104 -176 8
WIRE 192 104 192 8
WIRE -336 152 -368 152
WIRE -240 152 -336 152
WIRE 384 152 256 152
WIRE 416 152 384 152
WIRE 608 168 576 168
WIRE -368 200 -368 152
WIRE 384 200 384 152
WIRE -176 232 -176 200
WIRE -128 232 -176 232
WIRE 192 232 192 200
WIRE 192 232 144 232
WIRE 608 232 608 168
WIRE 608 232 480 232
WIRE -176 280 -176 232
WIRE 192 280 192 232
WIRE 608 280 608 232
WIRE -240 328 -304 328
WIRE 288 328 256 328
WIRE 480 328 480 232
WIRE 480 328 288 328
WIRE 544 328 480 328
WIRE -304 408 -304 328
WIRE 288 408 288 328
WIRE 288 408 -304 408
WIRE 608 424 608 376
WIRE -176 440 -176 376
WIRE 192 440 192 376
WIRE -176 600 -176 520
WIRE 16 600 -176 600
WIRE 192 600 192 520
WIRE 192 600 16 600
WIRE -368 632 -368 264
WIRE 16 632 16 600
WIRE 16 632 -368 632
WIRE 384 632 384 264
WIRE 384 632 16 632
WIRE 608 632 608 504
WIRE 608 632 384 632
WIRE -336 664 -336 152
WIRE 16 664 16 632
WIRE 416 664 416 152
FLAG 160 -632 OUTB
IOPIN -64 -608 Out
FLAG -144 -632 OUTA
IOPIN -368 -608 Out
FLAG -608 -632 CARRA
IOPIN -832 -608 In
FLAG 496 -664 CARRB
IOPIN 272 -640 In
FLAG 416 664 SIGB
IOPIN 192 688 In
FLAG -336 664 SIGA
IOPIN -560 688 In
FLAG 16 664 Vm
IOPIN -208 688 In
FLAG 576 168 BIAS
IOPIN 352 192 In
FLAG 144 232 GAINA
IOPIN -80 256 In
FLAG -128 232 GAINB
IOPIN -352 256 In
SYMBOL npn -240 104 R0
SYMATTR InstName Q5
SYMATTR Value MRF9411
SYMBOL npn -272 -136 R0
SYMATTR Value MRF9411
SYMATTR InstName Q1
SYMBOL npn 96 -136 R0
SYMATTR Value MRF9411
SYMATTR InstName Q3
SYMBOL npn -80 -136 M0
SYMATTR Value MRF9411
SYMATTR InstName Q2
SYMBOL npn 288 -136 M0
SYMATTR Value MRF9411
SYMATTR InstName Q4
SYMBOL npn 256 104 M0
SYMATTR InstName Q6
SYMATTR Value MRF9411
SYMBOL cap -384 200 R0
SYMATTR InstName C1
SYMATTR Value 2p
SYMBOL cap 368 200 R0
SYMATTR InstName C2
SYMATTR Value 2p
SYMBOL npn -240 280 R0
SYMATTR InstName Q7
SYMATTR Value MRF9411
SYMBOL npn 256 280 M0
SYMATTR InstName Q8
SYMATTR Value MRF9411
SYMBOL res 176 424 R0
SYMATTR InstName R1
SYMATTR Value 500
SYMBOL res -192 424 R0
SYMATTR InstName R2
SYMATTR Value 500
SYMBOL npn 544 280 R0
SYMATTR InstName Q9
SYMATTR Value MRF9411
SYMBOL res 592 408 R0
SYMATTR InstName R3
SYMATTR Value 500