SDU42A.GIF

Avcom SDM-42A Spectrum Display Unit

$1,795.00
TST02

New Page 1

APPLICATIONS

AVCOM's new SDM-42A Spectrum Display Monitor is designed for use as a panoramic signal display for VHF scanners and communication receivers such as the ICOM R-7000. The SDM-42A displays all signals present in the receiver's IF on a 5" CRT so that the operator can monitor signal activity. The operator can then quickly tune to signals as they appear on the spectrum display. This greatly facilitates locating and tuning of intermittent signals as well as surveilling a particular frequency band. The SDM-42A Spectrum Display Monitor (with a scanner) can be used with AVCOM’s PSA-65A Portable Spectrum Analyzer to create a powerful broad and narrow band spectrum monitoring system.

The SDM-42A spectrum display can be used for other applications such as monitoring satellite receiver IF's and demodulating single channel per carrier satellite signals (with optional demodulator circuitry). It can also be used as a general purpose spectrum analyzer covering specific frequency ranges.


TECHNICAL SPECIFICATIONS

Input IF: Customer specified. Standard frequencies include 10.7, 21.4, 45 and 70MHz

Resolution Bandwidth: 10KHz Standard

Dynamic Range: 65dB

Frequency Dispersion (Span): Variable from +/-5MHz of center frequency to zero span

Amplitude Sensitivity: 10 dB/Div

Power Requirements: 110 VAC 60 Hz (other voltages available on request)

Dimensions: 8.25"W x 5.00"H x 11.00"D

Weight: 8.25 lbs./3.75 Kg


SDM42 A & B AT A GLANCE: How To Choose the Correct Model for Your Requirement

SDM42A:

ADVANTAGES: Original unit, well designed and pruned through successive versions. CRT display has the bright, green trace familiar to everyone in electronics. The signal spikes respond immediately (real time) to tuning the host receiver.

DISADVANTAGES: Heavy, large, high-voltage operation, requires AC power, generates heat, delicate CRT, trace drifts and must be reset over time. CRT trace washes out under bright light.


SDM42B:

ADVANTAGES: Newest technology. Crisp, contrasty LCD display. Clearly visible in dark or bright light. Smaller, lightweight, rugged, low voltage, immediate turn-on response, cool operation, virtually driftless over time.

DISADVANTAGES: Fractional-second delay as mapped trace follows host receiver tuning. Rapid receiver tuning blurs trace. Switched pixels blockier than CRT trace.




For the complete line of Avcom products which can be purchased from Grove Enterprises, Inc., see http://www.avcomofva.com.

Manufacturer: Avcom