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Icom IC-R3 Communications Receiver
Specifications
Vintage 2000
Type Handheld
Range 495kHz - 2450 MHz
Channels 400
Banks 8
Search Bands 25
Steps 5/6.25/10/12.5/15/20/25/30/50/100 kHz
Modes AM, FM, WFM & CF3 TV
Priority 1 channel
Conversion Triple (AM/FM/WFM)
Double (CF3)
IFs AM/FM:
1=240.1 MHZ
2= 26.05 MHz
3=455 kHz
WFM:
1=240.1 MHz
2=13.25 MHz
3=450 kHz
CF3:
1=241.85 MHz (30-800, 1321-2100)
238.35 MHz (800-1321, 2100-2450)
2=58.75 MHz
Sensitivity As listed in R3 brochure:
AM (at 10dB S/N):
0.495 - 4.995 MHz 1.4µV
5.000 - 29.995 MHz 1.0µV
118.000 - 136.000 MHz 0.79µV
222.000 - 329.995 MHz 1.0µV
FM (12dB SINAD):
1.625 - 4.995 MHz 0.32µV
5.000 - 469.995 MHz 0.25µV
470.000 - 799.995 MHz 0.45µV
800.000 - 1999.995 MHz 0.56µV
2000.000 - 2299.995 MHz 1.02µV
2300.000 - 2450.095 MHz 1.80µV
WFM (12dB SINAD, typ):
76.000 - 107.995 MHz 1.0µV
175.000 - 221.995 MHz 1.0µV
470.000 - 769.995 MHz 1.8µV
Selectivity As listed in R3 brochure:
AM/FM: -6dB@12kHz, -50dB@30kHz
WFM: -6dB@150kHz
Scan 15 channels/second
Search 30 steps/second
Current As listed in R3 brochure:
At rated output 210 mA typical (backlight OFF)
At stand-by 140 mA typical
Power save 53 mA typical
TV reception 730 mA typical (color LCD ON)
Battery Life As listed on the Icom web page:
TV reception (image + sound, TFT LCD on)
stock battery - 1h 45m
alkalines - 45m
Audio reception (TFT LCD on)
stock battery - 2h 10m
alkalines - 57m
Audio reception (TFT LCD off, only the small
LCD is used, power save 1:8)
stock battery - 25h 30m
alkalines - 27h 30m
Power 3.6 - 6.3V, 4.5V typ (3 AAs)
Audio 100mW at 10% THD @4.5V
Size 2.4(W) x 4.7(H) x 1.3 (D) inches
61(W) x 120(H) x 32.9(D) mm
Weight 10.6 oz. (300 grams)
Antenna BNC, 50 ohm
Interfaces BNC, earphone, audio/video out, DC
Accessories AC adapter, LiIon battery pack, belt
clip, telescoping antenna
(depending on country of sale)
Features TV audio/video receive
Tone squelch
2 inch TFT LCD
Digital voltage display
21 channel bandscope
4 level attenuator (6-30 dB)
6 character alpha-tags
Audio & video output
Squelch: open, auto & level (1-9)
Adjustable brightness & contrast
Adjustable LCD color
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Quick Peek Pictures
- The package
- The hardware
- Battery compartment, AA holder, LiIon pack
- LiIon pack
- IC-R3ss
- IC-R2, IC-R3 & IC-R10
- IC-R3 & IC-R10; side views
- Bottoms up! (my favorite)
- Color LCD in action
now you know why they used simulated pictures!
- Bandscope in action
- RF direction finder in action
Review
- Look here
TV Standards
- NTSC (National Television Systems Committee)
Developed by the US in the 40s. 525 vertical resolution lines and
60 Hz refresh rate
Countries in use (mostly North and South America): Bolivia, Canada,
Chile, Columbia, Cuba, Equador, Guatemala, Central America, Japan,
South Korea, Mexico, Peru, Philippines, United States, Venezuela
- PAL (Phase Alternation by Line)
Developed by Great and Britain and Germany in the 50s. 625 vertical
resolution lines and 50 Hz refresh rate
Countries in use (mostly Europe, Asia, Middle East, Far East, Australia) :
Albania, Algeria, Angola, Argentina, Australia, Austria, Belgium,
Bosnia, Botswana, Brazil, Cameroon, Croatia, China, Denmark, Hungary,
Finland, Germany, Ghana, Great Britain, Hong Kong, Iceland, India,
Indonesia, Ireland, Israel, Italy, Kenya, North Korea, Liberia,
Luxembourg, Malawi, Mozambique, Netherlands, New Guinea, New Zealand,
Nigeria, Norway, Pakistan, Paraguay, Portugal, Romania, Sierra Leone,
Singapore, South Africa, Spain, Sri Lanka, Sweden, Switzerland, Syria,
Tanzania, Thailand, Turkey, Uganda, Uruguay, Yugoslavia
- SECAM (Sequential Couleur a Memoire)
Developed by France in the 50s. 625 vertical resolution lines and 50
Hz refresh rate (uses different format for transmission of color
information compared to PAL)
Countries in use (mostly Southern Europe and Northern Africa):
Afghanistan, Armenia, Bulgaria, Burkina Faso, Burundi, Central African
Repub., Chad, Congo, Cyprus, Czech Repub., Egypt, France, Greece, Iran,
Iraq, Lebanon, Libya, Madagascar, Mongolia, Morocco, Vietnam, Zaire
Web Info
- R3 Mailing List
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