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SR2200 - professional "black box" communications receiver

Compact high performance "black box" receiver for professional applications under computer control (USB / RS232) 25MHz - 3 GHz


black box


Part Number:

08-778-0030

Name:

SR2200 Black Box

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The SR2200 is a black box wide band receiver intended for commercial / government applications. The frequency range is 25 MHz to 3 GHz. The receiver has no front panel, it is controlled by connection to a computer via an RS232 serial and USB rear panel connector.

Connectivity


At the rear of the unit, there is a BNC connector for the antenna, USB and serial control ports, 10.7 MHz I.F. OUT (to connect for example the SDU5600 Spectrum analyzer), external speaker output, headphones output, power input and a ACC data output interface (discriminator & sound output).
On the front of the unit, there is a connector labelled gDisplayh. This connector can be used for testing the SR2200 without the need of a PC, and as an extension for future developments.

The SR2200 black box receiver has many advantages over conventional receivers...

  • Small size and low weight
  • High sensitivity
  • High dynamic range
  • The SR2200 (PC) front-panel functions are more flexible and powerful than those of traditional radio. There simply is not enough physical space on a fixed front panel of a traditional receiver for the multitude of settings and options which are available on the SR2200 black box receiver.
  • Mobile applications: PC-controlled receivers are often used in mobile and portable applications. Connected to a laptop computer, they represent an excellent alternative to conventional spectrum analyzers or other dedicated monitoring equipment.
  • The processing power of a PC can be used to process received radio signals through third-party software.
  • See what is going on the bands with a powerful spectrum scope.

Specification

Configuration:

Triple conversion superheterodyne

Frequency coverage:

25MHz - 3GHz (No gap)

Reception modes:

AM / NFM / WFM / SFM

Sensitivity:

Band

Sensitivity

IP3 (dBm)

S/N (dB)

25M-225MHz

NFM: 0.35uV
(12dB SINAD)

1

40

AM: 0.6uV
(10dB S/N)

NFM: 2.0uV
(12dB SINAD)

225M-1.7GHz

NFM: 0.35uV
(12dB SINAD)

1

35

AM: 0.8uV
(10dB S/N)

NFM: 2.0uV
(12dB SINAD)

1.7GHz . 2.7GHz

NFM: 0.6uV
(12dB SINAD)

1

32

2.7GHz . 3.0GHz

NFM: 1.5uV
(12dB SINAD)

1

30

IF frequencies:

1st IF

      255.3MHz 744.3MHz

2nd IF

      10.7MHz

3rd IF

      455kHz

Tuning steps:

100 Hz to 100 kHz (10 Hz incremental)

Selectivity:

NFM

      +/-10kHz  60dB

AM/SFM

      +/-6kHz  60dB

WFM

      +/-180kHz  60dB

Spurious Sensitivity:

60dB >

Adjacent Selectivity:

55dB >

Dynamic Range:

90dB >

Unwanted Spurious Emissions:

< -57dBm

3rd IP:

+1.0 dBm

Frequency stability:

+/-1ppm(0 - 50digC)

Audio output:

2W (8 Ohm) max.@ 10% distortion
(no internal speaker!)

Power requirements:

12 - 16V DC, 0.5 A with 1W audio output

Aerial connection:

50 Ohm BNC

IF output:

10.7MHz

Control interface:

RS-232C / USB , 19200bps

Operation temperature:

32 to 122 degrees Fahrenheit

Dimensions:

8(W) x 1.2(H) x 9(D) inches (approx.)

Weight:

4 lbs.

Nominal filter bandwidths:

6kHz, 15kHz, 300kHz.

Memory channels:

1000 (10 banks)

Search banks:

40

Scan/Search Rate:

25 steps per second.

Pass frequencies:

2000

Priority channels:

1

 

 

RRT INC.
59 Jack Ellington Rd.
Fredericksburg, Virginia 22406
Ph: 540-752-7448
Fax: 540-752-7449


 
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