* SPICE netlist
Ltx VTxOsc 0 5m6 Rser=24.5
Q1 N003 N007 N011 0 2N3904
Q2 N002 N003 VTxOsc 0 2N3906
R1 N001 N002 390
R2 N001 N003 1k
R3 N001 N007 47k
R4 VTxOsc N007 47k
R5 0 N011 1.5k
C1 VTxOsc 0 47n
V1 N001 0 4.7
XU1 N008 N010 VOutTxADC opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
V2 N010 0 1.65
R6 VOutTxADC N008 20k
R7 N008 VTxOsc 100k
R8 N005 N004 2.5k
R9 N006 N009 2.5k
R10 VOutRxADC N005 200k
R11 N006 N010 200k
XU2 N005 N006 VOutRxADC opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
C2 N004 N009 33n
Lrx N004 N009 6m2 Rser=25.3
.tran 0 40m 15m 10u
.meas TRAN txVoltageForADCMax MAX V(VOutTxADC)
.meas TRAN txVoltageForADCMin MIN V(VOutTxADC)
.meas TRAN rxVoltageForADCMax MAX V(VOutRxADC)
.meas TRAN rxVoltageForADCMin MIN V(VOutRxADC)
K1 Ltx Lrx .001
.meas TRAN VTxOsc_MAX MAX V(VTxOsc)

* LTspice schematic (.asc)
Version 4
SHEET 1 1760 768
WIRE -704 -368 -864 -368
WIRE -496 -368 -704 -368
WIRE -224 -368 -496 -368
WIRE -224 -272 -224 -288
WIRE -496 -240 -496 -288
WIRE -704 -192 -704 -288
WIRE -560 -192 -704 -192
WIRE 480 -96 416 -96
WIRE 560 -96 480 -96
WIRE -704 -80 -704 -192
WIRE 560 -80 560 -96
WIRE 672 -80 672 -192
WIRE 672 -80 640 -80
WIRE 688 -80 672 -80
WIRE 752 -64 752 -192
WIRE 880 -64 752 -64
WIRE 672 -48 640 -48
WIRE 688 -48 672 -48
WIRE -864 -32 -864 -288
WIRE -768 -32 -864 -32
WIRE -496 -16 -496 -144
WIRE -128 -16 -160 -16
WIRE -16 -16 -48 -16
WIRE 480 -16 480 -32
WIRE 480 -16 416 -16
WIRE 560 -16 560 -48
WIRE 560 -16 480 -16
WIRE 672 -16 672 -48
WIRE -496 48 -496 -16
WIRE -336 48 -496 48
WIRE -160 48 -160 -16
WIRE -160 48 -256 48
WIRE -112 48 -160 48
WIRE -16 64 -16 -16
WIRE -16 64 -48 64
WIRE 64 64 -16 64
WIRE 672 64 240 64
WIRE -112 80 -128 80
WIRE -864 96 -864 -32
WIRE -832 96 -864 96
WIRE -496 96 -496 48
WIRE -496 96 -752 96
WIRE -704 160 -704 16
WIRE -496 160 -496 96
WIRE -496 160 -608 160
WIRE -128 208 -128 80
WIRE 240 208 240 64
WIRE 240 208 -128 208
WIRE -608 240 -608 224
WIRE -608 240 -704 240
WIRE -496 240 -608 240
WIRE -496 288 -496 240
WIRE -128 304 -128 208
FLAG -224 -272 0
FLAG -496 288 0
FLAG -128 384 0
FLAG 64 64 VOutTxADC
FLAG -496 -16 VTxOsc
FLAG 880 -64 VOutRxADC
SYMBOL ind2 -512 144 R0
SYMATTR InstName Ltx
SYMATTR Value 5m6
SYMATTR Type ind
SYMATTR SpiceLine Rser=24.5
SYMBOL npn -768 -80 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL pnp -560 -240 R0
SYMATTR InstName Q2
SYMATTR Value 2N3906
SYMBOL res -512 -384 R0
SYMATTR InstName R1
SYMATTR Value 390
SYMBOL res -720 -384 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res -880 -384 R0
SYMATTR InstName R3
SYMATTR Value 47k
SYMBOL res -736 80 R90
SYMATTR InstName R4
SYMATTR Value 47k
SYMBOL res -688 256 R180
SYMATTR InstName R5
SYMATTR Value 1.5k
SYMBOL cap -624 160 R0
SYMATTR InstName C1
SYMATTR Value 47n
SYMBOL voltage -224 -384 R0
SYMATTR InstName V1
SYMATTR Value 4.7
SYMBOL OpAmps\\opamp -80 0 R0
SYMATTR InstName U1
SYMBOL voltage -128 288 R0
SYMATTR InstName V2
SYMATTR Value 1.65
SYMBOL res -32 -32 R90
SYMATTR InstName R6
SYMATTR Value 20k
SYMBOL res -240 32 R90
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL res 656 -96 R90
SYMATTR InstName R8
SYMATTR Value 2.5k
SYMBOL res 656 -64 R90
SYMATTR InstName R9
SYMATTR Value 2.5k
SYMBOL res 768 -208 R90
SYMATTR InstName R10
SYMATTR Value 200k
SYMBOL res 656 -32 R0
SYMATTR InstName R11
SYMATTR Value 200k
SYMBOL OpAmps\\opamp 720 -128 R0
SYMATTR InstName U2
SYMBOL cap 464 -96 R0
SYMATTR InstName C2
SYMATTR Value 33n
SYMBOL ind2 400 -112 R0
SYMATTR InstName Lrx
SYMATTR Value 6m2
SYMATTR Type ind
SYMATTR SpiceLine Rser=25.3