Transcript
Analog Modulation
SVM Series
Frequency Agile CATV Modulator
• Re-broadcast quality performance specifications match those of fixed
• Bright LED bar graph provides simple modulation set-up sepa rate
channel modulators
video, audio left right
• Integrated BTSC Stereo & SAP (optional)
• Microprocessor tuning control provides digital display with push-button
• 60 dBmV output for optimum carrier-to-noise performance Precision SAW filter for superior adjacent channel performance enables
channel selection for ease of installation, configuration and servicing • Rear panel interfaces accept baseband video and three audio formats
drop-in channel expansion
to provide maximum installation flexibility
• State-of-the-art digital phase-locked loop (PLL) design guarantees
• Composite and separate audio and video IF loops allow compatibility
precise drift-free operation
with encoders, ghost cancellers and video override applications
• Superior design including automatic band-splitting filters for excellent
• Bouth EIA STD and HRC frequency vvplans included
carrier-to-noise ratio >65 dB)
Specifications RF OUTPUT Frequency Range Channels Level Level Adjustment Impedance Frequency Stability Audio/Video Ratio Output Return Loss In Band Spurious Out of Band Spurious VSB Response C/N (In-Band) C/N (Out-of-Band)
54-860 MHz CATV 2-135 60 dBmV min 20 dB 75 Ω F-Female ±3 kHz -10 to -20 dB Adjustable -18 dB -62 dB -65 dB -60 dB min >62 dBc >65 dBc
IF OUTPUT Video Level Audio Level Composite Level Video Stability Audio Stability Impedance
38 dBmV 22 dBmV 35 dBmV ±3 kHz ±2 kHz 75Ω
4.5 MHz INPUT Level Impedance VIDEO INPUT Level Frequency Response Impedance Differential Gain
37 dBmV 75Ω
.7–1.0 V p-p ±1.5 dB max 75Ω <3% typ
Differential Phase Chrom/Lumin Delay Hum and Noise Connector BNC
AUDIO INPUT Level – Left/Mono Audio Level – Right Audio Level – SAP Impedance Pre-Emphasis
<1° typ ±8 ns -60 dB 75Ω
0.5 V p-p – 1 V p-p 0.5 V p-p – 1 V p-p 0.5 V p-p – 1 V p-p 600Ω Terminal strip 75 μs Switchable (mono)
BTSC STEREO Frequency Response Total Harmonic Distortion S/N
1 dB, 50 Hz –12 kHz <2% 60dB
SAP (Secondary Audio Program) Frequency Response Total Harmonic Distortion GENERAL Power Input Operating Temperature Dimensions Weight
1 dB, 50 Hz –8 kHz <2.5%
90-260 VAC, 28 W -10°C to 50°C 19˝ (L) x 12˝ (D) x 1.75˝ (H) 7.8 lbs. - 8.2 lbs.
Ordering Information SVM860 SVM860S SVM860SAP
Agile Modulator, 860MHz Agile Stereo Modulator, 860MHz Agile Stereo SAP Modulator, 860MHz
Specifications Subject to Change Without Notice © Copyright 2011 Pico Digital, Inc. Rev. 02/11
Provided by: Mega Hertz 800-883-8839
[email protected] www.go2mhz.com
