ABB ETL600 - Page 275

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A EN 7/7
1KHW001491-EN
50/75Ω (selective)
P4LT
P1LA
U
OUTPUT
FILTER
TUNE
OUT
S2
S3
S1
OFF
ON
L2
L1
FILTER
P3LL
RF Hybrid
not to be
plugged
FUNCTION
A
B
P4RX
External coaxial cable
BNC-SSMB
External coaxial cable
BNC-SSMB
RX RF-IN
RX RF-OUT
P7LC
Figure 2: Test circuit for verifying the P4RX filter and gain settings
The P4RX board is plugged directly in the rack, without tuning adapter.