Icom IC-R8500 instruction manual Specifications, General, Receiver

Page 46

14 SPECIFICATIONS

■General

• Frequency coverage

:

Version

 

 

Frequency Coverage (MHz)

 

 

 

 

U.S.A.

 

0.10000 –

823.99999

 

 

 

 

 

849.00001–

868.99999

894.00001–

1999.99999*

 

 

 

 

 

 

 

Europe

 

0.10000– 1999.99999*

 

 

 

 

 

France

 

0.10000–

87.50000

108.00000–

1999.99999*

 

 

 

*Specifications guaranteed 0.1–1000 MHz and 1240–1300 MHz

 

• Mode

: FM (normal/narrow), AM (wide/normal/narrow), SSB (USB/LSB) CW (normal/narrow*), WFM

 

*Optional FL-52A is required.

 

 

 

 

• Number of memory channels

: 1000 (plus 20 scan edges and 1 priority channel)

 

 

• Antenna connector

: Below 30 MHz

SO-239 (50 Ω )/Phono (500 Ω )

 

 

 

Above 30 MHz

Type-N (50 Ω )

 

 

 

• Usable temperature range

: –10°C to +50°C (+14°F to +122°F)

 

 

 

• Frequency stability

: Below 30 MHz

±100 Hz (±20 Hz*)

 

 

 

 

Above 30 MHz

± 0.0003 % (±0.00006%*)

 

 

*When an optional CR-293 is installed.

•Power supply requirement

•Current drain (at 13.8 V DC)

•Dimensions (projections not included)

•Weight

•Intermediate frequencies

■Receiver

•Receive system

•Sensitivity

• Squelch sensitivity

: 13.8 V DC ±15% (negative ground)

117 V AC (U.S.A. version with supplied AD-55A)

230 or 240 V AC (other versions with the optional AD-55/V)

: Standby 1.8 A

Max. audio 2.0 A

:287(W) ⋅ 112(H) ⋅ 309(D) mm; 115⁄16(W) ⋅ 413⁄32(H) ⋅ 123⁄16(D) in

:7.0 kg (15.4 lb)

:

Frequency band

 

 

1st

2nd

 

 

3rd*

 

Unit: MHz

 

 

 

 

0.1–

29.99999

 

48.8

10.7

 

 

0.455

 

 

 

 

 

 

 

 

30.0–

499.99999

 

778.7

10.7

 

 

0.455

 

 

 

 

 

 

 

 

500.0– 1024.99999

 

266.7

10.7

 

 

0.455

 

 

 

 

 

 

 

 

1025.0– 1999.99999

 

Utilizes converter method:

 

 

 

 

 

 

 

 

 

 

 

Local freq.: 500, 1000 or 1010 MHz

 

*Except WFM.

 

 

 

 

 

 

 

 

 

 

: Superheterodyne

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Frequency band (MHz)

 

SSB/CW

AM

 

AM-N

 

AM-W

 

FM

WFM

 

 

 

0.1–0.49999

 

 

1.0 µV

6.3 µV

 

 

—

 

—

 

—

—

 

 

 

0.5–1.79999

 

 

2.0 µV

13.0 µV

 

 

—

 

—

 

—

—

 

 

 

1.8–1.99999

 

 

0.25 µV

3.2 µV

 

2.5 µV

 

—

 

—

—

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.0–27.99999

 

 

0.2 µV

2.5 µV

 

2.0 µV

 

—

 

—

—

 

 

 

28.0–29.99999

 

 

0.2 µV

2.5 µV

 

2.0 µV

 

—

 

0.5 µV

—

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30.0–999.99999

 

 

0.32 µV

2.5 µV

 

2.0 µV

 

3.2 µV

 

0.5 µV

1.4 µV

 

 

 

1240.0–1300.00000

 

 

0.32 µV

2.5 µV

 

2.0 µV

 

3.2 µV

 

0.5 µV

2.0 µV

 

 

:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Frequency band

SSB/CW/AM-N

AM/AM-W

 

 

 

FM

 

WFM

 

(MHz)

 

threshold

tight

threshold

 

tight

threshold

 

tight

threshold

 

tight

 

1.8–29.99999

10 µV

 

320 mV

0.5 µV

320 mV

 

0.5 µV*

320 mV*

 

—

 

—

 

30–1000

4.5 µV

 

320 mV

0.4 µV

320 mV

 

0.4 µV

320 mV

 

4.5 µV

320 mV

 

1240–1300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*FM mode can only be used above 28 MHz.

• Selectivity

: WFM

More than 150 kHz/–6 dB

 

FM/AM-W

More than 12 kHz/–6 dB

 

FM-N/AM

More than 5.5 kHz/–6 dB

 

AM-N/SSB/CW

More than 2.2 kHz/–6 dB

 

CW narrow*

More than 500 Hz/–6 dB

 

*Optional FL-52A is required.

• Spurious and image rejection ratio

: Below 30 MHz

More than 60 dB

 

30–1000 MHz

50 dB (typical)

 

1240–1300 MHz

 

• Audio output power

: More than 2.0 W at 10% distortion with an 8 Ω load

• IF shift variable range

: More than ±1.2 kHz

 

• External speaker connector

: 2-conductor 3.5 mm (1⁄8")/4–8 Ω

All specifications are subject to change without notice or obligation.

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Contents IC-r8500 Accessories included with the IC-R8500 Qty Explicit DefinitionsTable of Contents Front panel ➋ SLEEP/SET Switch SLEEP/SETPanel Description ➎ Headphone Jack Phones7MAIN Dial 5SPEECH/LOCK Switch SPCH/LOCK@0S-METER @7SCAN Switches Scan Scan SET Prio p Skip pAuto p DLY D/S pRear panel Function display 7ATTENUATOR Indicators9RECEIVE Indicator MHz kHzLocation Mounting installationConnections Receiver standRequired connections PL-259 Connector Installation Example Using a long wire antenna for HF bandsTYPE-N Connector Installation Example Antenna connection GroundingTransceive function Connecting to a PCTape recorder connections Data demodulation terminalExample Setting the Frequency Using the Keypad Frequency SettingUsing the keypad Read me firstSetting the programmable tuning step Using the main dialSelecting a tuning step Setting the lock function coverageMode selection Initial settingsReceive Functions Functions for FM Center indicatorSquelch function Functions for SSB/CWAudio peak filter BFO adjustmentNoise blanker Dagc functionConnections For high speed data 9600 bps reception in FM modeData communications Receiving methodGeneral Bank Initial Contents UsageMemory Channels Bank selectionChannel selection Using the M-CH selectorUsing the keypad Bank limit functionCopy and paste memory editing ProgrammingClearing Channel name programming Channel/bank namesBank name programming Deleting memory channels Assigning channel numbersTo rearrange bank channel assignments ➂ Rotate M-CH to select the following Adding/inserting memory channels➃ Push Bank for 1 sec. to perform the selected operation Memory scan ScansOperation Memory select scanDProgrammed scan Priority scan Mode select functionSpecifying skip channel and frequency Specifying skip channelsVoice scan control function Automatic bank limit/skip functionsTurning OFF the automatic function Scan resume condition Scan speed/delay functionsProgramming scan edge frequencies OFF DLY ∞Scan delay Assigning a function to the DELAY/SPEED controlScan speed Sleep Timer OperationSelecting initial set mode SET ModeSelecting quick set mode Display Example Quick SET ModeQuick set mode items Initial set mode items Installed, you can select between faster or slower When the optional UT-102 Voice Synthesizer Unit isInstalled, you can select between English This item sets the data transfer rate. When AutoIf OUT jack Connector InformationRS-232C socket Remote jack AGC OUT jackREC OUT jack DC 13.8 V and DC in socketsREC Remote jack Phones jackData format Control CommandsCommand table Basic format from PC to IC-R8500‘NG’ message from IC-R8500 to PC Memory channel contents set & write 1A‘OK’ message from IC-R8500 to PC Special bank number and channels bnMaintenance Optional Installations ➂Replace the top coverCR-293HIGH Stability Crystal Unit General OperationTV-R7100 specifications TV receiverTroubleshooting Memory Channels Scan Problem Possible Cause Solution General SpecificationsReceiver FL-52ACW Narrow Filter 455 kHz 500Hz/-6 dB OptionsAH-7000 AD-55/A/V AC AdapterCount on us

IC-R8500 specifications

The Icom IC-R8500 is a highly regarded general-purpose receiver that has made its mark among amateur radio enthusiasts and professionals alike. This versatile communication receiver is known for its wide frequency coverage, advanced features, and robust design, making it a valuable tool for various applications, including shortwave listening, public safety communication, and aircraft monitoring.

One of the standout features of the IC-R8500 is its extensive frequency coverage. It spans a range from 0.1 MHz to 3 GHz, allowing users to access a wide spectrum of signals. The receiver includes coverage of HF, VHF, UHF, and even microwave bands, making it suitable for listening to everything from amateur radio transmissions to satellite communications.

The receiver employs a high-performance double-conversion superheterodyne architecture, which contributes to its excellent sensitivity and selectivity. The advanced RF circuitry minimizes interference and enhances the clarity of received signals. Users can expect outstanding audio quality and a wide dynamic range, even in challenging reception conditions.

Digital Signal Processing (DSP) is another key technology incorporated into the IC-R8500. The DSP capabilities allow users to apply noise reduction and filtering techniques to improve the quality of the received audio. Features such as automatic notch filtering and IF filtering help eliminate unwanted noise, enhancing the listening experience.

The IC-R8500 is equipped with a large, easy-to-read LCD display that provides information on frequency, mode, signal strength, and other essential parameters. The user-friendly interface simplifies operation, allowing quick access to various settings and functions. Additionally, the receiver supports various modulation modes, including AM, FM, SSB, and CW, catering to different listening preferences.

For those seeking enhanced connectivity, the IC-R8500 offers multiple options, including an audio output jack, and external speaker connections. It also has a built-in memory function, allowing users to store and recall favorite frequencies easily. The receiver can be controlled via a computer interface, offering versatility for advanced users and programmers.

In summary, the Icom IC-R8500 stands out for its wide frequency range, superior sensitivity, and advanced features powered by DSP technology. Its robust construction and user-friendly design make it a favorite among communications enthusiasts seeking a reliable and versatile receiver for various applications. Whether for hobbyist listening or professional use, the IC-R8500 remains a top choice in the world of radio receivers.
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