Version 4 SHEET 1 880 680 SYMBOL res 192 160 R0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL res 192 288 R0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL Opamps\\opamp 336 256 R0 SYMATTR InstName U1 SYMATTR Value opamp SYMBOL conn 48 144 R0 SYMATTR InstName J1 SYMATTR Value PWR_CONN SYMBOL conn 48 288 R0 SYMATTR InstName J2 SYMATTR Value SIG_CONN SYMBOL TestPoint 288 128 R0 SYMATTR InstName TP1 WIRE 96 176 192 176 WIRE 96 320 192 320 WIRE 192 288 192 256 WIRE 192 160 192 128 WIRE 288 128 192 128 WIRE 336 224 192 224 WIRE 336 288 336 320 WIRE 448 256 400 256 TEXT 48 432 Left 2 !.subckt amplifier_board VIN GND VOUT SIGNAL_IN TEXT 48 464 Left 2 !.ends amplifier_board