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RADIOBEACON TRANSMITTER
ND500II (125 WATTS) DOUBLE SIDEBAND - NO VOICE
Page 4-11
15 September 2003
Table 4-6 Harmonic Filter (A7) Controls
PANEL MARKING/
REF
FIG
NOMENCLATURE
FUNCTION
DES
NO.
USED IN TEXT
S1
MD-12
RF MON
Determines the source of the RF output waveform for
TEST
meter M1’s modulation readings and for the
monitoring sample provided at
RF MONITOR
output
connector J1. Sample provided by current
transformer A7T4 is the source when
CUR
is selected.
Sample provided by voltage transformer A7T2 is the
source when
VOLT
is selected.
TB1
MD-12
Series Inductor Taps
Provides connection points for the tapped inductor in
the series L/C circuit of the harmonic filter. Refer to
paragraph 3.8.6 for interconnecting information.
TB2
MD-12
Series Capacitor Taps
Provides connection points to select the capacitance in
the series L/C circuit of the harmonic filter. Refer to
paragraph 3.8.6 for interconnecting information.
TB3
MD-12
Parallel Inductor Taps
Provides connection points for the tapped inductor in
the parallel L/C circuit of the harmonic filter. Refer
to paragraph 3.8.6 for interconnecting.
TB4
MD-12
Parallel Capacitor Taps
Provides connection points to select the capacitance in
the parallel L/C circuit of the harmonic filter. Refer
to paragraph 3.8.6 for interconnecting information.