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The frequency range of the EddyStone 990S is devided into 2 ranges, each with their own scale. Range 1: 470-870 MHz. Range 2: 230-510 MHz.

The displayed EP17R Panoramic Display Unit connects to the IF-output of the 990S. Both units match each other physically and electrically. Maximum sweep of the display unit is one MHz and resolution under optimum conditions is approximately two kHz.

Frequency range

RX-range
230-870 MHz in 2 ranges
TX-range
-
HAM bands
?
Stability
10 ppm per °C change in ambient temperature
Tuning steps
?
Filters
?

Receiver

Modulations
AM   FM  
Sensitivity
AM: < 5 µV
FM: < 4 µV
Selectivity
?
Receiver system
?
IF-frequencies
36.5 MHz
Image rejection
?
Audio output
150 mW

Transmitter

Modulations
-
RF-Output
?

Connections

Antenna
BNC
Impedance
75Ω

Electrical

Power requirements
Mains or 12V DC
Current drain RX
?
TX
-

Physical

Dimensions (w×h×d)
425 × 146 × 133 mm (16.73 × 5.75 × 5.24 in) desktop model
Weight
8.16 kg (18.0 lbs) desktop model
Form factor
Base Station
Manufactured
Between 1968 and 197x in Great Britain
MPN
EDDYSTONE-000990S

Other features

Memories
?
Usage
Amateur / Ham radio operators
Features + options
?
Accessories
?

Manuals, diagrams and brochures

Eddystone 990S Brochure submitted by RigReference
 
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