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4 DSP
24 CONTENTS TS-590S
Figure 4-6 Results of Amplitude and Frequency Analysis of the Digital IF Filter (CW Mode)
0 Hz in the center that corresponds to the pitch frequency
The following table provides possible choices of the filters and the default value (shown in bold) for
respective modes.
4.3.2 Types of Digital IF Filters
SSB Mode
LOW CUT
0 Hz, 50 Hz, 100 Hz, 200 Hz, 300 Hz, 400 Hz, 500 Hz, 600 Hz, 700 Hz,
800 Hz, 900 Hz, 1000 Hz
HI CUT
1.0 kHz, 1.2 kHz, 1.4 kHz, 1.6 kHz, 1.8 kHz, 2.0 kHz, 2.2 kHz, 2.4 kHz,
2.6 kHz, 2.8 kHz, 3.0 kHz, 3.4 kHz, 4.0 kHz, 5.0 kHz
CW Mode
WIDTH
50 Hz, 80 Hz, 100 Hz, 150 Hz, 200 Hz, 250 Hz, 300 Hz, 400 Hz, 500 Hz,
600 Hz, 1000 Hz, 1500 Hz, 2000 Hz, 2500 Hz
SHIFT Between 300 Hz and 1 kHz (in steps of 50 Hz), default value 800 Hz
SSB-DATA Mode
WIDTH
50 Hz, 80 Hz, 100 Hz, 150 Hz, 200 Hz, 250 Hz, 300 Hz, 400 Hz, 500 Hz,
600 Hz, 1000 Hz, 1500 Hz, 2000 Hz, 2500 Hz
SHIFT
1000 Hz, 1100 Hz, 1200 Hz, 1300 Hz, 1400 Hz, 1500 Hz, 1600 Hz,
1700 Hz, 1800 Hz, 1900 Hz, 2000 Hz, 2100 Hz, 2210 Hz
AM mode (LOW CUT
filters are AF filters)
LOW CUT 0 Hz, 100 Hz, 200 Hz, 300 Hz
HI CUT 2.5 kHz, 3.0 kHz, 4.0 kHz, 5.0 kHz
FSK Mode WIDTH 250 Hz, 500 Hz, 1000 Hz, 1500 Hz
FM mode (AF filters)
LOW CUT
0 Hz, 50 Hz, 100 Hz, 200 Hz, 300 Hz, 400 Hz, 500 Hz, 600 Hz, 700 Hz,
800 Hz, 900 Hz, 1000 Hz
HI CUT
1.0 kHz, 1.2 kHz, 1.4 kHz, 1.6 kHz, 1.8 kHz, 2.0 kHz, 2.2 kHz, 2.4 kHz,
2.6 kHz, 2.8 kHz, 3.0 kHz, 3.4 kHz, 4.0 kHz, 5.0 kHz