NE5534, SA5534, SE5534, NE5534A, SA5534A, SE5534A
TEST LOAD CIRCUITS
V+
100kW
22kW
CC
1
2
8
-
5534
5
7
6
+
3
4
RS
25W
VI
CC
8
2+
5
5534
3
6
-
RF
RE
100pF
600W
V-
Figure 14. Frequency Compensation and
Offset Voltage Adjustment Circuit
Figure 15. Closed-Loop Frequency Response
CAL
OSC
POWER
SUPPLY
+VCC -VCC
CAL
METER
+
DUT
1W
-
10kW
+40dB
100W
TEST BOARD
GND
BANDPASS
AT 1kHz
(nVń ǸHz)
BANDPASS
AT 30Hz
(nVń ǸHz)
Figure 16. Noise Test Block Diagram
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