CA3100
Typical Applications
+15V
7
INPUT
0.33µF
3
+
CA3100
0.1µF
OUTPUT
6
0.33µF
220Ω
3kΩ
4
0.1µF
-15V
220Ω
2kΩ
3pF
-3dB BANDWIDTH
≈
20MHz
TOTAL INPUT NOISE
VOLTAGE REFERRED TO
INPUT
≈
35µV
RMS
3pF
DELIVERS FOLLOWING
PEAK VOLTAGES TO
50Ω LINE:
FREQ
1MHz
2MHz
4MHz
6MHz
V
O
8V
5V
2V
1V
220Ω
GAIN = 20dB
0.1µF
-15V
2
+15V
3dB BANDWIDTH = 15MHz
A
CL
= 20dB
INPUT
3
7
+
CA3100
0.1µF
4.7
kΩ
2N5320
OUTPUT TO
TERMINATED
50Ω TRANS-
MISSION LINE
6
10Ω
2
3kΩ
-
-
4
1N5393
10Ω
2kΩ
2N5322
FIGURE 7. 20dB VIDEO AMPLIFIER
FIGURE 8. 20dB VIDEO LINE DRIVER
ZERO ADJ
200Ω
20kΩ
10pF
INPUT
IMPEDANCE
≈
50kΩ
2N2102
TEST
LEADS
2
V
O
(DC) =
+V
I
PEAK
-15V
51kΩ
1
8
3
+
CA3100
7
0.1µF
1V
RMS
FULL SCALE
1N914
6
51kΩ
0.1
µF
+
1mA
FULL
SCALE
DC
METER
+15V
+15V
V
I
(AC)
3
3kΩ
2
7
+
CA3100
0.1µF
6
1N914
-
4
-
4
-
250Ω POT.
330Ω
1.2kΩ
0.1µF
1000pF
FULL SCALE
CALIBRATION
ADJUST
-15V
FIGURE 9. FAST POSITIVE PEAK DETECTOR
FIGURE 10. 1MHz METER-DRIVER AMPLIFIER
Typical Performance Curves
80
OPEN LOOP VOLTAGE GAIN (dB)
70
60
50
40
30
C
C
= 24pF
20
10
12pF
0
0.001
0.01
0.1
1
FREQUENCY (MHz)
10
100
0pF
C
C
= 24pF
|A
OL
|
12pF
0pF
12pF -270
-225
0pF
-180
-135
24pF
-90
-45
0
OPEN LOOP PHASE SHIFT (DEGREES)
OPEN LOOP VOLTAGE GAIN (dB)
T
A
= 25
o
C
V
S
=
±15V
R
L
= 2kΩ
C
L
= 20pF
70
60
50
40
30
20
10
0
0.001
V
S
=
±15V
R
L
= 2kΩ
C
C
= 0
T
A
= -55
o
C
25
o
C
125
o
C
θ
0.01
0.1
1
FREQUENCY (MHz)
10
100
FIGURE 11. OPEN LOOP GAIN, OPEN LOOP PHASE SHIFT vs
FREQUENCY
FIGURE 12. OPEN LOOP GAIN vs FREQUENCY
3-5
HARRIS [ HARRIS CORPORATION ]
