Icom IC-F520 Скачать руководство пользователя страница 2

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ADJUSTMENT

Adjustment No. Adjustment Condition & Tuning Value Ref. No. CK. Point

TX Output Use adjustment software to adjust the

adjustment output to the following values.

Adj.Soft

Adj. Freq. Greatest Low Band Freq. Power

Hi Power 25.0W

25.0W Hi ANT Con

L2 Power 10.0W 10.0W L2

L1 Power 2.5W 2.5W L1

TX Output Check Check that TX output is within the following

value in the range of frequency coverage.

Hi Power 20.0~30.0W 20-30W ANT Con

L2 Power 8.0~12.5W 8-12.5W

L1 Power 2.0~3.0W 2.0-3.0W

Current Check at Check that the Hi Power current is less than

TX the following value in the range of

frequency coverage.

Hi Power Less than 7.0A Less 7.0A

Checking Connect a spectrum analyzer to the ANT

Spurious terminal through an attenuator.

Set the attenuation so that the spectrum

Analyzer does not distort.

Set the transceiver to TX at Hi power,

check that spurious is less than the

following value in the range of frequency

coverage in the bandwidth.

Spurious Less than –70dB of the Less than ANT Con

carrier power -70 dB

Содержание IC-F520

Страница 1: ...RX C134 during TX Adj Freq 136 MHz RX Side 1 4V 1 4V C133 LV TX Side 1 0V 1 0V C134 Lock Voltage Set the transceiver to the 174 MHz Check and check that each value is within following values Adj Freq...

Страница 2: ...20 0 30 0W 20 30W ANT Con L2 Power 8 0 12 5W 8 12 5W L1 Power 2 0 3 0W 2 0 3 0W Current Check at Check that the Hi Power current is less than TX the following value in the range of frequency coverage...

Страница 3: ...Connect a millivolt meter or a 600 ohm out put impedance CR oscillator to the trans ceiver s mic terminal Modulation Use the adjustment software to adjust the Balance modulation analyzer s detection o...

Страница 4: ...ent to the antenna terminal Set the transceiver to wide ch and CTCSS 88 5Hz Transmit the transceiver with no input to the mic or mic terminal Adjust Freq Near Center Frequency Adj Soft ANT Con WIDE 0...

Страница 5: ...ssible deviation Check that the TX S N in the range of the Frequency coverage is more than the following values WIDE More than 40 dB Over 40dB ANT Con NARROW More than 34 dB Over 34dB Adjusting RX dur...

Страница 6: ...rrow channels also Adjusting the This Adjustment should be perform after the S3 LEVEL RX sensitivity adjustment finished Set the signal generator following setting for wide channels Adjust Freq Near 1...

Страница 7: ...In this condition using the adjustment Adj Soft software raise the squelch D A value until SQL the squelch closes once then lower the D A value again and adjust until the squelch opening point Checki...

Страница 8: ...that the AF output reaches 50 of the rated value Check that the RX S N in the range of frequency is as following values WIDE More than 40 dB Over 40dB ANT Con NARROW More than 34 dB Over 34dB SP Jack...