How The World Communicates

SSM Series Solid-State Modulators Specifications  
No brochure for this product exists. Contact a CEC salesperson or our parts department for information.
  Sales Support
Our salesmen are all knowledgeable and experienced shortwave experts who can help you make the best informed buying decisions.
  Technical Support
Continental has 24/7/365 parts and product support. You can always reach a continental professional. You can even place critical parts orders on-line.




Specifications-- SSM Series Solid-State Modulators




Audio Response (A3E)
+/-1 dB from 50 Hz to 7,500 Hz
Audio Response (H3E & R3E)*
+/-0.5 dB from 100 to 4,500 Hz
Audio Harmonic Distortion (A3E)*

Less than 2.5% at 90% modulation at full power output 50 to 7,500 Hz.

Intermodulation Distortion (H3E & R3E)*
At least -35 dB relative to either tone of a two-tone test signal at full PEP output.
Carrier Reduction (H3E & R3E)*
-6 to -24 dB relative to two audio tone PEP output, adjustable in 3 dB steps.
Noise (A3E)*
-56 dB referenced to 100% modulation with a 1,000 Hz tone, 10 Hz to 10 kHz bandwidth.
Audio Input Requirements
Adjustable from -8 to +10 dBm for 100% modulation
Audio Input Impedance
600 ohms or 10K ohms, balanced
(*) Characteristics of modulator in conjunction with appropriate RF amplifier.
Maximum Peak-to-Peak Output Voltage

32 kV

Maximum Average Output Current, Carrier Condition

SSM 100 - 8.5 ADC; SSM 300 - 25.0 ADC; SSM 500/600 - 50.0 ADC; SSM 1000 - 83.5 ADC

Maximum Peak Output Current, Modulation Crest

SSM 100 - 17A; SSM 300 - 50A; SSM 500/600 - 100A; SSM 1000 - 167A

Power Source

3-phase, 50/60 Hz; SSM 100 - 360 to 480 V; SSM 300/500/600/1000 - 4,160 V or 11,000 V. Other voltages may be accommodated on special order. Total power input requirements dependent on associated RF amplifier.

The overal efficiency of the modulator is not less than 97% at full output.
Ambient Temperature
+40 to +111 degrees F (+5 to +45 degrees C), +130 degrees F (+55 degrees C) on special order.
Relative Humidity Range
0 to 95%, non-condensing
Up to 6,565 ft. (2,000 m) above sea level. Higher altitudes may be accommodated on special order.
Air cooled. Air ducting or liquid cooling may be accommodated if desired