AV 8 in and 8 out matrix-Geffen Maxtrix Control System Manufactory CN

AV 8 in and 8 out matrix
GF-AV0808

GFFFEN AV series matrix switcher is a high-performance intelligent matrix switchgear specially designed for the display switching of video and audio signals, which is used to use any channel in each audio and video output channel, mainly used in radio and television engineering, TV teaching, command and control center and other occasions.

This product has the functions of on-site switching memory protection, LCD liquid crystal display, audio and video synchronization or separation switching, etc., and has RS232 communication interface.

Detail
Specification

●Support 4, 8, 16, 32, 48, 64, 128 channels of audio and video signal input, 4, 8, 16, 32, 48, 64, 128 channels of audio and video signal output.
● Support fast switching operation.
●The supported video signal types are: composite video (signal).
● Audio signal types are: stereo, balanced or unbalanced.
●150MHz (-3dB), high bandwidth at full load.
●It has the function of power-off memory, with functions such as power-off on-site protection, LCD liquid crystal display, audio and video synchronization or separation switching.
●It has infrared remote control function and RS232 communication function.
● Rack-mountable metal chassis.
●Programmable logic display circuit is adopted, and any interactive switching is adopted.
●Signal long-distance transmission distortion compensation technology.
●Built-in international power supply.

Bandwidth: 150MHz(-3dB) full load
Luminance Chromaticity Interference: -50dB@5MHz
Differential phase error: 0.1%, 3.58-4.43MHz
Differential gain error: 0.1, 3.58-4.43MHz
Maximum Propagation Delay: 5nS ( +1nS)
Switching speed: 200nS (maximum time)

· Video technical parameters

· Video input
Signal type: CVB-S video
Connection type: BNC interface
Minimum input level: 0.5Vp-p
Maximum input level: 2.0Vp-p
I/O impedance: 75Ω
Echo loss: -30dB@5MHz
Maximum DC compensation: 1.5V
Synchronous phase locking: 0.3V-0.4Vp-p

· Video output
Signal type: CVB-S video
Connection type: BNC interface
Minimum output level: 1.0Vp-p
Maximum output level: 2.0Vp-p
I/O impedance: 75Ω
Echo loss: -30dB@5MHz
DC compensation: +5mV-0
Conversion Type: Vertical Spacing

Audio Technical Parameters
Gain: Unbalanced 0dB
Recording and playback radiation response: 20Hz-20KHz, +0.05dB
Noise management: 0.03% @1KHz
S/N signal-to-noise ratio: >90, output 21 dBu balanced rated maximum output power
Luminance Chromaticity Interference: < -80 @ 1KHz, Full Load Stereo Channel Isolation: > 75dB @: 20Hz-20KHz

Audio input
Signal Type: Stereo, Unbalanced
Connection Type: 5-bit Phoenix Interface/RCA (Lotus)
Impedance: > 50Ω
Maximum level: +19.5dBu

· Audio output
Signal Type: Road Stereo, Unbalanced
Connection Type: 5-bit Phoenix Interface/RCA (Lotus)
Impedance: >50Ω
Gain error: +0.1dB
Maximum level (Hi-Z): +21dBu
Maximum level (600Ω): +15dBm

· specification
Power supply: 220V/50Hz
Power: 20W
Installation: With standard cabinet mounting
Mean time between failures: 50,000 hours