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CA3140AS Datasheet(PDF) 11 Page - Intersil Corporation

Part # CA3140AS
Description  4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output
PDF  19 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

CA3140AS Datasheet(HTML) 11 Page - Intersil Corporation

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



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