1-3
M Receiver
• Receive systems:
144/430 MHz bands
1200 MHz band
RF direct sampling
Down conversion IF sampling
• Intermediate frequencies (1200 MHz band only):
[USA], [EUR], [EXP]
[ITA]
[TPE]
[KOR]
311 ~ 371 MHz
311 ~ 316 MHz, 341 ~ 369 MHz
331 ~ 336 MHz
331 ~ 371 MHz
• Sensitivity (For all version/PREAMP and IP+ ON):
SSB, CW (Filter shape=SOFT)
AM
FM
DV
DD (1200 MHz band only)
The input signal strength level of this receive sensitivity is measured at the load end (PD).
• Sensitivity (For [EUR], [ITA]/PREAMP and IP+ ON):
SSB, CW (BW=2.4 kHz, Filter shape=SOFT)
AM (BW=4 kHz, 60% modulation)
FM (BW=7 kHz, 60% modulation)
• Selectivity:
SSB (BW=2.4 kHz, Filter shape=SHARP)
CW, RTTY (BW=500 Hz)
AM (BW=6 kHz)
FM (BW=15 kHz)
DV (Channel spacing=12.5 kHz)
DD (Channel spacing=300 kHz)
More than 2.4 kHz/–3 dB, Less than 3.6 kHz/–60 dB
More than 500 Hz/–3 dB, Less than 700 Hz/–60 dB
More than 6.0 kHz/–3 dB, Less than 15 kHz/–60 dB
More than 12.0 kHz/–6 dB, Less than 20 kHz/–60 dB
Less than –50 dB
Less than –40 dB
• Spurious and image rejection ratio:
SSB, CW
AM, FM, DV
DD
More than 70 dB (144/430 MHz bands)
More than 50 dB (1200 MHz band)
More than 60 dB (144/430 MHz bands)
More than 50 dB (1200 MHz band)
More than 50 dB (1200 MHz band)
• Audio output power:
1 kHz reference)
• Audio output impedance:
• RIT variable range: ±9.999 kHz
• ANF attenuation: More than 30 dB (at 1 kHz single tone)
• MNF attenuation: More than 70 dB
• NR attenuation: More than 6 dB ( Internal noise suppression ratio in the SSB
mode)
To Next Page
Loading...
