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2 types of digital if filters, Types of digital if filters, 4 dsp – Kenwood 50 MHZ ALL MODE TRANSCEIVER TS-590S User Manual

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4 DSP

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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

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