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MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Specications and Part Numbers
PRELIMINARY
Sync
Input type ...................................... RGBHV, RGBS, RGsB, RsGsBs
Output type .................................... RGBHV, RGBS, RGsB, RsGsBs (follows input)
Standards ........................................ Computer scan rates and also NTSC 3.58, NTSC 4.43, PAL, SECAM
Input level ..................................... 0.5 V to 5.0 Vp-p
Output level .................................. AGC to TTL: 4.0 V to 5.0 Vp-p, unterminated
Input impedance .......................... 510 ohms
Output impedance ....................... 75 ohms
Max. propagation delay ............... Horizontal: 90 ns nominal
Vertical: 160 ns nominal
Max. rise/fall time ........................ 4 ns
Polarity............................................ Positive or negative (follows input)
Audio
Routing
MVX 44 VGA A .................. 4 x 4 stereo matrix
MVX 48 VGA A .................. 4 x 8 stereo matrix
MVX 84 VGA A .................. 8 x 4 stereo matrix
MVX 88 VGA A .................. 8 x 8 stereo matrix
Throughput gain ........................... Adjustable. At default (when input gain is set to 0 dB and output level is set
to “Pro”), overall gain is 12 dB for balanced output. The gain range is -6 dB
to +22 dB for balanced output when the output level is set to “Pro”.
Frequency response ..................... 20 Hz to 20 kHz, ±0.2 dB
THD + Noise ................................. 0.05% @ 1 kHz, 0.3 % @ 20 kHz at nominal level
S/N ................................................ >90 dB, balanced, at maximum output (unweighted)
Crosstalk ........................................ <-65 dB @ 20 kHz, <-80 dB @ 1 kHz (fully loaded) or below 60 Hz
Stereo channel separation ........... >80 dB @ 1 kHz, >55 dB @ 20 Hz to 20 kHz
CMRR .............................................. >75 dB @ 20 Hz to 20 kHz
Audio input
Number/signal type
MVX 44/48 VGA A ........... 4 stereo, unbalanced
MVX 84/88 VGA A ........... 8 stereo, unbalanced
Connectors
MVX 44/48 VGA A ........... 4 female 3.5 mm stereo mini jacks: tip (L), ring (R), sleeve (GND)
MVX 84/88 VGA A ........... 8 female 3.5 mm stereo mini jacks: tip (L), ring (R), sleeve (GND)
Impedance ...................................... >18k ohms unbalanced, DC coupled
Nominal level ................................ -10 dBV (316 mV) (default), but also compatible with +4 dBu (1.23 V), 0 dBu
(0.775 V), -20 dBV (100 mV)
Maximum level .............................. >+12 dBV (4 V), (unbalanced) at 1% THD+N
Input gain ....................................... -18 dB to +10 dB, adjustable per input; default = 0 dB. (This is referenced to
the internal bus signal level. It can be verified by measuring the unbalanced
output when the output level is set to “Consumer”.)
0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu