AOR SDU5500
Spectrum Display

Discontinued!

Replaced by
the
SDU5600

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Previous Model:
SDU5000

Discontinued Miscellaneous 
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Specifications | LCD | Back Panel | I/O

SDU5500

The AOR SDU5500, coupled to the AR5000 receiver, now provides a spectrum display of 10 MHz bandwidth between 10 kHz and 2600 MHz! It has never been so easy to locate brief elusive transmissions. Menu driven operation: All facilities are within easy access through each dedicated function key and on-screen menu. Full interconnection with the AR5000 is achieved. The AR5000 can be operated from the SDU5500 enabling selection of center frequency, receive mode, etc. Any frequency spotted and monitored by the SDU5500 can be received by the AR5000 straight way.

Direct reading of the receiving frequency and input level: By placing the cursor on any spot frequency, you can read its frequency and input level on LCD screen. When connected with the AR5000, the SDU5500 virtually works as a spectrum analyzer over 10 kHz to 2600 MHz range as the center frequency always becomes the receive frequency. The SDU5500 comes with an AC power supply, BNC to BNC cable to connect to the IF output of the AR5000 and a DB9 to DB9 serial cable to connect to the AR5000. There is also a second DB9 serial jack on the back of the SDU5500 use by a controlling computer. The SDU5500 includes an AC adapter. The SDU5500 replaced the SDU5000.

Specifications
Input Frequency: 10.7 MHz
Sweep Width: 1 kHz to 10 MHz (1 kHz step)
Frequency Accuracy: +/- 600 Hz
Resolution Bandwidth: 5 / 30 kHz
Reference Level: -10, -40 dBm
Maximum Input Level: -10 dBm
Dynamic Range: 50 dBm min
Level Accuracy: Linearity within +/- 2 dB (within -40 dB from reference level)
Band Ripple: +/- 4 dB @ 10.7 MHz +/- 5 MHz
Temperature: +/- 6 dB (0 - 40 degrees Celsius, 32 - 104 degrees in Farenheit)
Marker Mode: Direct read-out for frequency and level, Peak Detect + continuous Peak Detect, Averaging ( 2 to 32 times sampling adjustment)
Plot Mode: Outline, Paint
Display Mode: SPECT / STRES / CHANL
Input Impedance: 20 K ohm
Display Type: 4.7 inch diagonal dot matrix STN LCD
Display resolution: 304 x 128 dots
Screen Refresh: 500 mS
Backup: From primary 12 V DC supply
Dimensions: 8.86 x 4.88 x 9.45 inches (225 x 124 x 240 mm)
Weight: 6.7 lbs (3.02 kg)
Power Requirements: 12 V DC nominal @ 1Amp (120 VAC AC adapter included)
Supported companion radios: AR5000/AR5000+3, AR3000A

Note when used with other 10.7 MHz IF output receivers (ICOM IC-R7100, IC-R8500): the center frequency is programmable in the approx. range of 5.7 to 15.6 MHz but the offset from 10.7 MHz will reduce the available frequency span... i.e. if the center frequency is set to 7.5 MHz, the maximum span will be reduced by twice the offset 10.7 - 7.5 = 3.2 x 2 = 6.4, therefore the maximum available bandwidth span is 10 - 6.4 = 3.6 MHz



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