vga matrix input and output channels can be free to choose by the user．complete specifications．realize computer and audio signa synchronous or asynchronous switching
product features
◎using programmable logic display circuit．switch and change at will
◎support audio and video synchronization or separate switch
◎signal long distance transmission distortion compensation technology
◎with memory function
◎support channel switch permissions setting．audio and video channel switch permissions can be separate managed；
◎1.8“lcd display
◎support panel．software and touch screen etc control(central control) ways；
◎each group signals with independent 4level gain adjustment function solving the problem of signal attenuation or images white；；
◎support audio and video signal input/output
◎audio signal input．output．using five 3.8 mm phoenix interface；
◎compatible with balanced/unbalanced audio signal；
video
gain: 0 db
bandwidth: 450mhz (-3db) loaded
crosstalk: -60db @10 mhz, -39db @100 mhz
switching speed: 25ns (shortest)
propagation delay: 5ns (fastest)
signal types: rgbhv, rgbs, rgsb, rsgsbs, (hdtv), composite video, s-video, composite video
video input / output
interface: 15-pin hd master interface
min / max level: 0.5v ~ 2.0v p-p
impedance: 75ω
return loss: -30db@5mhz
horizontal frequency response: 14 khz ~ 150 khz
input levels: 0.5v- 5.0v p-p: 4.0v, p-p
output levels: agc-ttl: 5vp-p, unterminated
input / output impedance of: 510ω /75ω.
video: ntsc 3.58, ntsc 4.43, pal, secam
audio signal
input / output: 5 bit 3.8mm interface
gain: 0db interface
frequency response: 20 hz ~ 20 khz
total harmonic distortion plus noise: 0.03% @ 1 khz
s/n): >95db
stereo separation degree: >85db @ 1 khz
cmrr: >75db @: 20 hz ~ 20 khz
control type
serial control interface: rs-232, 9- pin female d
power : ac 220 ~ 240v
mtbf: 30000 hours
扫一扫