CA3140AS INTERSIL [Intersil Corporation], CA3140AS Datasheet - Page 11

• Manufacturer Part Number: CA3140AS
• Description: 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output
• Manufacturer: INTERSIL [Intersil Corporation]

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