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ICOM IC 50 Mhz Transceiver HF 7851

The parent company's flagship ICOM

size = "2" style = "margin: 0px; padding: 0px; " > SSB, CW, RTTY, PSK (BW: 2, 4 kHz at 10dB S/N)
-1.799 MHz 0.1-0.5 µV
-29.999 1.8 MHz-0.16 microvolts
50-54 MHz-0.13 µV
Am (BW: 6kHz at 10dB S/N)
-1.799 MHz-6.3 0.1 µV
-29.999 1.8 MHz-2 µV
50.0 -54, 0MHz-1 µV
FM (BW: 15 kHz at 12dB SINAD)
28-29 .9 MHz-0.5 µV
50-54 MHz-0.32 µV

TECHNICAL SPECIFICATIONS
Generals



Operating ranges:
Receiving: 0.030 – 60,000* MHz
* Some frequencies are not guaranteed.
Broadcast:
0.1357 – 1,999/3,800 3,500/0.1378 1,810 – –/7,000 – 7,200
18,068 10,150/14,350 14,000/10,100 – – – 18,168
21,000-28,000 21,450 24,890 24,990/29,700/–/–
50,000 – 52,000
Operating modes:USB, LSB, CW, RTTY, PSK31/63, AM, FM
Memories:101 (conventional 99 + 2 for bandwidth limits)
Antenna impedance:50 Ω unbalanced (with tuner off)
Antenna connector:4 SO-239 and 2 BNC
Operating temperature:from 0° C to +50° C
Frequency stability:< ± 0.05 ppm (0° C to +50° C after power-up)
Power supply:85-265Vca
Absorption:

TX: high 800VA
Rx: max volume typical 130VA

Standby: 120VA typical

 

Dimensions (w x h x d):425 × 149 × 435 mm
Weight:23.5 kg
Transmitter
RF power max (adjustable):SSB/CW/FM/RTTY/PSK31:5-200W/AM: 5-50W
Transverter connector (CW): More than-20dBm
Modulation:SSB: DPSN modulation
Am: low power
FM: and phase
Spurious emissions:> 60 dB (HF)/> 70 dB (50 MHz)
Carrier Suppression:> 63 dB
Undesired sideband Suppression:> 70 dB
Δ TX variation range:± 9,999 kHz
Impedance/Conn. microphone:600 Ω/8 pin
Receiver
Configuration:Double conversion superheterodyne
Intermediate frequency values:main/36 kHz 64.455 MHz band
sub-64.555 MHz band/36 kHz
Typical sensitivity:
HF: 1 Preamplifier switched on
50 MHz: 2 Preamplifier on.
 
Squelch sensitivity
(preamp off):
SSB/CW/RTTY/PSK31 < 5.6 µV
FM > 1.0 µV
Selectivity (Sales Rep.):
* Bandwidth
SSB (2.4 kHz)* > 2, 3 < 4 kHz/-3dB, 6kHz/-60dB
CW (500 Hz)* < 700Hz > 500Hz/-3dB/-60dB
RTTY, PSK31 (500Hz)* < 700Hz > 500Hz/-3dB/-60dB
Am (6 kHz)* > 6, 0Hz < 15 kHz/-3dB/-60dB
FM (15 Hz)* > 12, 0kHz/-6dB < 20 kHz/-60dB
Be voting on today spurious/img:> 70 dB
Audio output level:> 2.6 W 8 Ω with 10% on d.a.t.
Excursion of the RIT:± 9,999 kHz
Headphones connector:3 poles Ø 6.35 mm
IMP. Conn. external speaker:8 Ω/2 conductors Ø 3.5 mm
Automatic tuner of antena
Adaptable impedances:HF: 16.7-150 Ω unbalanced (ROS < 3:1)
50mhz: 20-125 Ω unbalanced (ROS < 2.5:1)
Min output. to the agreement:HF: 8W-50 MHz: 15W
Precision tuner:ROS 1.5:1 or less
Insertion loss:< 1.0 dB (after agreement)

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