* C:\Users\rikkabest\Desktop\a_综测\文氏桥\23_2.asc
V1 V+ 0 5
V5 0 V- 5
XU8 N008 N006 V+ V- 正弦波2 LM324/ST
C6 N008 0 100n
R21 N008 0 16.7k
C7 N009 N008 100n
R22 正弦波2 N009 16.7k
R23 N006 0 10k
R24 正弦波2 N001 7k
R25 N001 N006 17k
D1 N001 正弦波2 1N4148
D2 正弦波2 N001 1N4148
R26 N003 Vref 6k
R27 方波 N003 2k
R28 N002 正弦波2 10k
XU9 N003 N002 v+ v- 方波 LM324/ST
V8 NC_01 0 2.1
XU10 N007 N004 v+ v- N005 LM324/ST
R29 N007 方波 8k
C8 N007 0 470n
C9 N005 N004 470n
R31 Vref-1 N004 10k
R32 N005 N004 10k
XU14 0 v+ Vref potentiometer Rt=100 set=.58
XU15 0 v- Vref-1 potentiometer Rt=100 set=.8
.model D D
.lib C:\Users\rikkabest\Documents\LTspiceXVII\lib\cmp\standard.dio
.tran 0 1 0
;meas TRAN vpp-vo PP V(vo)
;meas TRAN vpp MIN V(三角波) FROM 1.28 TO 1.44
* 直流电压偏置
* 文氏桥电路，产生96Hz的正弦波
* Vref=0.7*R1/R2 占空比50%
* R1`
* R2
.lib ..\sym\EXTRA\ExtraComparators\st_models.lib
.lib pote.lib
.backanno
.end
