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