Icom IC-471H Instruction Manual page 3

GENERAL
Number of Semiconductors: |
Transistors 126 (European version: 133)
(Australian version: 135)
FET 14
IC (Includes CPU) 60 (European version: 57)
(Australian version: 59)
Diodes 196 (European version: 190)
Frequency Coverage:
430MHz ~ 450MHz
(European version 430MHz ~ 440MHz)
Frequency Control:
CPU based 10Hz step PLL synthesizer.
Independent Transmit-Receive Frequency Capability 32
Memory Channels provided
Programmed Scan, Memory Channel Scan and Mode-
Selective Scan Capability
Frequency Resolution:
SSB 10Hz steps (Automatic 100Hz steps shift)
FM 5KHz steps
1KHz steps with TUNING RATE switch depressed
Frequency Readout:
7 digit Luminescent display 100Hz readout
Frequency Stability:
Within +0.001% in the range of —10°C ~ +60°C
RIT Frequency Coverage:
+9.9КН2 from displayed receive frequency
Power Supply Requirements:
DC 13.8V +15% Negative ground Current drain 20A max.
AC power supply is available for AC operation.
Current Drain (at 13.8V DC):
Transmitting 75 watts output Approx. 19.0A
10 watts output Approx. 8.0А
Receiving At max. audio output 1.4A
Squelched 1.2A
Antenna Impedance:
50 ohms Unbalanced
Weight:
7.1 Kg
Dimensions:
110(125)mm(H) x 285(300)mm(W) x 275(324)mm(D)
( k Shows the dimensions including projections
TRANSMITTER
RF Output Power:
SSB (AJ) 75 Watts PEP
СМ (А, ), FM (F4) 75 Watts
Continuously Adjustable Output power 10 watts ~ Max.
SECTION 1 SPECIFICATIONS .
Emission Mode:
SSB (Аз J USB/LSB), CW (А, ), FM (F3)
Modulation System:
SSB: Balanced modulation
FM: Variable reactance frequency modulation
Max. Frequency Deviation:
+5KHz |
Harmonic Output:
More than 60dB below peak power output
Spurious Output:
More than 60dB below peak power output
Carrier Suppression:
More than 40dB below peak power output
Unwanted Sideband:
More than 40dB down at 1000Hz AF input
Microphone:
600 ohm electret condenser microphone with push-to-
talk switch and scanning buttons.
Operating Mode:
Simplex, Duplex (Any in-band 10KHz steps frequency
. separation programmable)
RECEIVER
Receiving System:
SSB, CW Double conversion superheterodyne
FM Triple conversion superheterodyne
Receiving Mode:
Ај, Аз.) (USB, LSB), Ез
IF Frequencies:
SSB, CW 70.4515MHz, 10.75MHz
FM 70.4515MHz, 10.75MHz, 455KHz
Sensitivity:
SSB, CW Less than 0.3 microvolts for 10dB S+N/N
FM Less than 0.3 microvolts for 12dB SINAD
Less than 0.5 microvolts for 20dB noise quieting
Squelch Sensitivity:
SSB, CW Less than 1 microvolt
FM Less than 0.3 microvolts
Spurious response rejection ratio:
More than 60dB
Selectivity:
SSB, CW More than 2.4KHz at —6dB point
Less than 4.8KHz at —60dB point
FM More than 15KHz at —6dB point
Less than 30KHz at —60dB point
Audio Output Power:
More than 2.0 watts (at 8 ohm 1096 distortion)
Audio Output Impedance:
8 ohms
Specifications are approximate and are subject to change without notice or obligation.