CA3028A, CA3028B, CA3053
Test Circuits
(Continued)
V
CC
OSCILLOSCOPE
WITH HIGH
GAIN DIFF. INPUT
(TEKTRONIX TYPE
530, 540, OR 580
V
DIFF
WITH TYPE D
(RMS)
PLUG-IN
TEKTRONIX
TYPE 502 OR
EQUIVALENT)
V
CC
3µF
R
(NOTE)
R
(NOTE)
10Ω
1kΩ LOAD
5µF
8
7
INPUT
50Ω
ICUT
3
5
1kΩ
0.01µF
2kΩ
0.001µF
INPUT
SIGNAL
f = 1kHz
0.01µF
1
6
OUTPUT
V
IN
= 10mV
(RMS)
1
50Ω
6
8
ICUT
3
7
5
3µF
V
EE
10µH
FIGURE 11. TRANSFER CHARACTERISTIC (VOLTAGE GAIN)
TEST CIRCUIT (10.7MHz) DIFFERENTIAL
AMPLIFIER CONFIGURATION FOR CA3028A,
CA3028B AND CA3053
NOTE: For R = 1.6kΩ: V
CC
= 12V, V
EE
= -12V
For R = 2.0kΩ: V
CC
= 6V, V
EE
= -6V.
FIGURE 12. DIFFERENTIAL VOLTAGE GAIN, MAXIMUM PEAK-
TO-PEAK OUTPUT VOLTAGE AND BANDWIDTH
TEST CIRCUIT FOR CA3028B
V
CC
3µF
1kΩ
6
5µF
1
500Ω
INPUT
SIGNAL
f = 1kHz
5
S
1
7
3
V
IN
= 0.3V
(RMS)
V
EE
V
X
RANGE
OF COMMON
MODE REJECTION
ICUT
OSCILLOSCOPE
WITH HIGH
GAIN DIFF. INPUT
(TEKTRONIX TYPE
530, 540, OR 580
V
DIFF
WITH TYPE D
(RMS)
PLUG-IN
TEKTRONIX
TYPE 502 OR
8
EQUIVALENT)
1kΩ
3µF
NOTES:
19. For CMR test: S
1
to GND.
20. For Input Common Mode Voltage Range Test: S
1
to V
X
.
(
A
) (
2
) (
0.3
)
-
21. Common Mode Rejection Ratio
=
20log 10
------------------------------------
V DIFF
(
RMS
)
A = Single-Ended Voltage Gain.
FIGURE 13. COMMON MODE REJECTION RATIO AND COMMON MODE INPUT VOLTAGE RANGE TEST CIRCUIT FOR CA3028B
7-12
HARRIS [ HARRIS CORPORATION ]
