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Frequency Agile CATV Modulator

  • Features
  • Specs & Order Info
  • Other Documents
  • Re-broadcast quality performance specifications match those of fixed channel modulators
  • Integrated BTSC Stereo & SAP (optional)
  • 60 dBmV output for optimum carrier-to-noise performance Precision SAW filter for superior adjacent channel performance enables drop-in channel expansion
  • State-of-the-art digital phase-locked loop (PLL) design guarantees precise drift-free operation
  • Superior design including automatic band-splitting filters for excellent carrier-to-noise ratio >65 dB)
  • Bright LED bar graph provides simple modulation set-up separate video, audio left right
  • Microprocessor tuning control provides digital display with push-button channel selection for ease of installation, configuration and servicing
  • Rear panel interfaces accept baseband video and three audio formats to provide maximum installation flexibility
  • Composite and separate audio and video IF loops allow compatibility with encoders, ghost cancellers and video override applications
  • Both EIA STD and HRC frequency vvplans included

Specifications | Ordering Information


Frequency Range 54-860 MHz
Channels CATV 2-135
Level 60 dBmV min
Level Adjustment 20 dB
Impedance 75 Ω F-Female
Frequency Stability ±3 kHz
Audio/Video Ratio -10 to -20 dB Adjustable
Output Return Loss -18 dB
In Band Spurious -62 dB
Out of Band Spurious -65 dB
VSB Response -60 dB min
C/N (In-Band) >62 dBc
C/N (Out-of-Band) >65 dBc
Video Level 38 dBmV
Audio Level 22 dBmV
Composite Level 35 dBmV
Video Stability ±3 kHz
Audio Stability ±2 kHz
Impedance 75Ω
Level 37 dBmV
Impedance 75Ω
Level .7-1.0 V p-p
Frequency Response ±1.5 dB max
Impedance 75Ω
Differential Gain <3% typ
Differential Phase <1° typ
Chrom/Lumin Delay ±8 ns
Hum and Noise -60 dB
Connector BNC 75Ω
Level – Left/Mono Audio 0.5 V p-p – 1 V p-p
Level – Right Audio 0.5 V p-p – 1 V p-p
Level – SAP 0.5 V p-p – 1 V p-p
Impedance 600Ω Terminal strip
Pre-Emphasis 75 μs Switchable (mono)
Frequency Response 1 dB, 50 Hz -12 kHz
Total Harmonic Distortion <2%
S/N 60dB
SAP (Secondary Audio Program)
Frequency Response 1 dB, 50 Hz -8 kHz
Total Harmonic Distortion <2.5%
Power Input 90-260 VAC, 28 W
Operating Temperature -10°C to 50°C
Dimensions 19″ (L) x 12″ (D) x 1.75″ (H)
Weight 7.8 lbs. – 8.2 lbs.

Ordering Information

Ordering Information
SVM550 Frequency Agile CATV Modulator, 550MHz
SVM860 Agile Modulator, 860MHz
SVM860S Agile Stereo Modulator, 860MHz
SVM860SAP Agile Stereo SAP Modulator, 860MHz

SVM860 Data Sheet

This data sheet contains branding from Pico Digital, a recent ATX subsidiary.

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