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ABB ETL600 User Manual

ABB ETL600
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Revision:
A
Language:
EN
Page:
6/7
1KHW001492-EN
5 Test circuits
The following circuits should be used for tuning the Tx RF filter using the tuning adapter P3LL and
the HMI600. The P4LT/P4LU generates the required tuning tones.
5.1 Test circuit for 40 W units
P4LT/U
OUTPUT
OUT
P3LE
P1LA E5TX
P3LL
S1
L2
L1
FILTER
600134A3.VSD
U
S2
TUNE
FILTER
S3
ONOFF
Fig. 1: Test circuit for tuning 40 W units. Tuning coil L1 or L2 dependent on switch S1.
5.2 Test circuits for 80 W units
P4LT/U
OUTPUT
OUT
P3LE
P1LA
P3LL
S1
S2
TUNE
FILTER
L2
L1
600134A4.VSD
U
P1LA E5TX
P3LG
FILTER
OFF ON
S3
Fig. 2: Test circuit for tuning L1 in the lower power amplifier rack.

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ABB ETL600 Specifications

General IconGeneral
BrandABB
ModelETL600
CategoryTouch terminals
LanguageEnglish

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