Chen Jia Hsin Technology Co., Ltd.

Taiwan Manufacturers, Exporters.

Products

Agile Commercial Video Modulator PERFORMANCE

Video-Modulator-PERFORMANCE

  • Model No: UAVM5550
  • Factory Location: Taiwan
  • Sample Request: No
  • Target Markets: Worldwide

Detail Information

Description :

1. A popular priced agile NTSC modulator.
2. Frequency agility with 82 channel coverage from 54 MHz to 550 MHz.
3. CATV (STD, HRC or IRC) or off-air channel plans selectable from front panel.
4. Front panel control of channel selection, video level, audio level, output level, and A/V ratio.
5. High output power to +55 dBmV.
6. Designed for multiple modulator installations.
7. Emergency Alert System (EAS) ready with IF composite loop.
8. Composite IF loop to accommodate a variety of encryption systems.
9. Audio and Video LED overmodulation indicators.
10. Automatic channel offsets where specified by FCC regulations.
11. SAW filtering to ensure quality performance.
12. External source 4.5 MHz aural input.
13. Defeatable pre-emphasis for use with baseband stereo encoders.
14. Front panel monitor connection at -30dB.

Specification :

 

SPECIFICATIONS

RF
Output Frequency Range54~550MHz
RF Output Level55dBmV
Output Adjustment15dB
In-Channel C/N60 dB
Spurious Output-60dBc
Braodband Noise-75dBc
RF Output Connection75 Ohms F-Female
Composite IF Loop (Loop output is after SAW filtering) 
Visual Carrier Frequency45.75MHz
Aural Carrier Frequency41.25MHz
Loop Level40dBmv
External Subcarrier Input Level
(Selectable by internal jumpers)
37dBmv @-15dB A/V Ratio
Loop Input/Output Impedances:75 Ohms, F-Female connectors.
Video
Input Level for 87.5% modulation1Vp-p typically
Video S/N60dB
Video Frequency Response±1.2dB
Video Input Connection75 Ohms F-Female
Audio
Input Level for 25 kHz Peak Deviation0.5Vp-p
Audio Frequency Response40 Hz to 15 kHz
Audio Input TypeMonaural/MTS Baseband
Audio Input Connection10K Ohms F-Female Unbalanced
General
Operating Temperature0° to 50° Celsius
Voltage Input115 VAC ± 10%, 60 Hz, 18 Watts.
Dimensions (W×D×H)19" x 11.8" x 1.75"

Chen Jia Hsin Technology Co., Ltd.

  • Taiwan