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test repo for electronic handcraft works.


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Revision5b7bfb67bb0d5b6ccf4ff17623aadd04bfb0a708 (tree)
Time2022-09-20 23:01:47
Authorastoria-d <astoria-d@home>
Commiterastoria-d

Log Message

new feedback bias circuit

Change Summary

Incremental Difference

--- /dev/null
+++ b/ltspice/transistor-feedback-bias-01.asc
@@ -0,0 +1,82 @@
1+Version 4
2+SHEET 1 1584 680
3+WIRE 528 -112 288 -112
4+WIRE 832 -112 528 -112
5+WIRE 288 -48 288 -112
6+WIRE 528 -48 528 -112
7+WIRE 528 80 528 32
8+WIRE 672 80 528 80
9+WIRE 1040 80 736 80
10+WIRE 1184 80 1040 80
11+WIRE 528 160 528 80
12+WIRE 144 208 16 208
13+WIRE 288 208 288 32
14+WIRE 288 208 208 208
15+WIRE 464 208 288 208
16+WIRE 528 304 528 256
17+WIRE 656 304 528 304
18+WIRE 832 304 832 -112
19+WIRE 1040 320 1040 80
20+WIRE 16 336 16 208
21+WIRE 288 384 288 208
22+WIRE 528 384 528 304
23+WIRE 656 384 656 304
24+WIRE 16 544 16 416
25+WIRE 288 544 288 464
26+WIRE 288 544 16 544
27+WIRE 416 544 288 544
28+WIRE 528 544 528 464
29+WIRE 528 544 416 544
30+WIRE 656 544 656 448
31+WIRE 656 544 528 544
32+WIRE 832 544 832 384
33+WIRE 832 544 656 544
34+WIRE 1040 544 1040 400
35+WIRE 1040 544 832 544
36+WIRE 416 576 416 544
37+FLAG 416 576 0
38+FLAG 1184 80 out
39+IOPIN 1184 80 Out
40+SYMBOL voltage 832 288 R0
41+WINDOW 123 0 0 Left 0
42+WINDOW 39 0 0 Left 0
43+SYMATTR InstName V1
44+SYMATTR Value 3.3
45+SYMBOL voltage 16 320 R0
46+WINDOW 3 -240 92 Left 2
47+WINDOW 123 0 0 Left 0
48+WINDOW 39 0 0 Left 0
49+SYMATTR InstName V2
50+SYMATTR Value SINE(0 10u 1KHz)
51+SYMBOL npn 464 160 R0
52+SYMATTR InstName Q1
53+SYMATTR Value 2N3904
54+SYMBOL res 272 -64 R0
55+SYMATTR InstName R1
56+SYMATTR Value 2k
57+SYMBOL res 272 368 R0
58+SYMATTR InstName R2
59+SYMATTR Value 1.3k
60+SYMBOL res 512 -64 R0
61+SYMATTR InstName R3
62+SYMATTR Value 94
63+SYMBOL res 512 368 R0
64+SYMATTR InstName R4
65+SYMATTR Value 66
66+SYMBOL cap 208 192 R90
67+WINDOW 0 0 32 VBottom 2
68+WINDOW 3 32 32 VTop 2
69+SYMATTR InstName C1
70+SYMATTR Value 10オ
71+SYMBOL cap 736 64 R90
72+WINDOW 0 0 32 VBottom 2
73+WINDOW 3 32 32 VTop 2
74+SYMATTR InstName C2
75+SYMATTR Value 10オ
76+SYMBOL cap 640 384 R0
77+SYMATTR InstName C3
78+SYMATTR Value 100オ
79+SYMBOL res 1024 304 R0
80+SYMATTR InstName R5
81+SYMATTR Value 20k
82+TEXT -8 -56 Left 2 !.tran 30m