Agile Saw Filter Demodulator

Description :

Sharp Vision's AS 626 is an Agile Saw Filter Demodulator. This can take out any channel from a trunk cable carrying many channels. This signal is converted into Video and Audio. This Video and Audio signal can be modulated to any RF channel for further cable transmission.

It not only demodulates but also makes the picture soft, if incoming RF Signal has grains. It has a video signal burst circuit to enhance the colours of the picture being demodulated.

Features:

• Micro Controller Based Technology
• SAW Filtered- for adjacent channel performance
• AGC with Input levels from 50 dBµV to 100 dBµV
• Agile Demodulator - Tune to any channel from E2 to E69
• Special Video Signal Burst Circuit to enhance video colours
• Removes grains from input signal and makes the picture soft
• In case of supply interruption, AS626 remains tuned to last channel memory

Applications of AS 626:

• Renew your signal using Demodulator: When the input signal to your control room has poor C/N, it cannot be taken to further distance. Use Saw Filter Demodulator AS 626 and modulate again to have the improved video signal for further transmission.
• For adding advertisements: Use Demodulator to convert RF Signal of any channel into video and audio. Now insert your own Video Titler/Logo for giving advertisements and modulate again for further transmission.
• Use in Reverse Path System: The Reverse Path Signal being transmitted back to your control room can be demodulated and again modulated on any other channel.

Specifications:

RF

• Input Freq Range : PAL B/G (47 ~ 860MHz) (NTSC on request)
• Input Level : 50 ~ 100 dBµV
• Input Impedance : 75 ohms

Video

• Output Level : 1.0 Vp-p typ.
• Output Impedance : 75 ohms

Audio

• Output Level : 500 mV p-p
• Output Impedance : 600 Ohms - Unbalance

General

• Power Requirements : 220 VAC + 10, 50 Hz