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CA3140AM Datasheet(PDF) 13 Page - Renesas Technology Corp

Part # CA3140AM
Description  4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output
PDF  24 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

CA3140AM Datasheet(HTML) 13 Page - Renesas Technology Corp

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CA3140, CA3140A
FN957 Rev.10.00
Page 13 of 24
Jul 11, 2005
FIGURE 11. METER DRIVER AND BUFFER AMPLIFIER
FIGURE 12. SINE WAVE SHAPER
FIGURE 13. SWEEPING GENERATOR
FREQUENCY
CALIBRATION
MINIMUM
200
A
METER
FREQUENCY
CALIBRATION
MAXIMUM
METER
SENSITIVITY
ADJUSTMENT
METER
POSITION
ADJUSTMENT
CA3080A
6
3
2
4
7
+
CA3140
-
FREQUENCY
ADJUSTMENT
10k
620
4.7k
0.1
F
12k
2k
500k
620k
51k
3M
510
510
2k
3.6k
-15V
M
11
14
13
3/5 OF CA3086
5
4
TO CA3080A
OF FUNCTION
GENERATOR
(FIGURE 10)
7
8
6
9
1k
2.4k
2.5
k
+15V
SWEEP IN
10
12
6
3
2
4
7
+
CA3140
-
7
2
8
5
6
1
4
3
9
5.1k
0.1
F
-15V
D1
D4
D2
D3
D6
D5
CA3019
DIODE ARRAY
EXTERNAL
OUTPUT
+15V
+15V
-15V
100
k
SUBSTRATE
OF CA3019
TO
WIDEBAND
OUTPUT
AMPLIFIER
7.5k
5.6k
-15V
R3 10k
10k
0.1
F
1M
9.1k
R1
10k
R2
1k
430
4
7
+
CA3140
-
0.1
+15V
-15V
2
3
6
F
0.1
F
COARSE
RATE
SAWTOOTH
SYMMETRY
0.47
F
0.047
F
4700pF
470pF
7
3
2
6
4
+
CA3140
-
5
1
3
2
4
1
5
51k
6.8k
91k
10k
100
390
3.9
25k
+15V
-15V
10k
10k
100k
30k
43k
LOGVIO
50k
LOG
RATE
10k
GATE
PULSE
OUTPUT
-15V
EXTERNAL OUTPUT
TO FUNCTION GENERATOR “SWEEP IN”
SWEEP WIDTH
TO OUTPUT
AMPLIFIER
36k
51k
75k
50k
SAWTOOTH
“LOG”
TRIANGLE
+15V
+15V
4
7
+
CA3140
-
3
2
6
+15V
TRANSISTORS
FROM CA3086
ARRAY
ADJUST
TRIANGLE
SAWTOOTH
“LOG”
8.2k
100k
100k
FINE
RATE
SAWTOOTH
22M
1M
18M
750k
“LOG”
1N914
1N914
SAWTOOTH AND
RAMP LOW LEVEL
SET (-14.5V)
-15V



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