Extron electronics MPS 112 User Manual page 37

Media presentation switchers
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Nominal level
VGA outputs .................... 0.7 Vp-p
S-video outputs ................ Y: 1 Vp-p (including sync), C: 0.3 Vp-p
Composite video outputs 1.0 Vp-p (including sync)
Minimum/maximum levels
VGA outputs .................... Analog, 0.3 V to 1.5 Vp-p
S-video outputs ................ Analog, Y: 0.4 V to 2.0 Vp-p
Composite video outputs Analog, 0.4 V to 2.0 Vp-p
Impedance .................................... 75 ohms
Return loss (VGA output) .......... <-40 dB @ 5 MHz
DC offset (max. allowable, VGA output)
Sync
Input type (VGA group) ............. RGBHV, RGBS, RGsB, RsGsBs
Output type (VGA group) .......... RGBHV, RGBS, RGsB, RsGsBs (follows input)
Standards (S-video & composite video groups)
Input level ..................................... 1.9 V to 5.0 Vp-p
Output level .................................. TTL: 5.0 Vp-p (unterminated)
Input impedance .......................... 510 ohms
Output impedance ....................... 75 ohms
Max input voltage ....................... 5.0 Vp-p
Max. propagation delay ............. 30 ns
Max. rise/fall time ....................... 4.2 ns
Polarity .......................................... Positive or negative (follows input)
Audio — individual audio groups (VGA, S-video, composite video)
Gain ............................................... Unity
Frequency response ..................... 20 Hz to 20 kHz, ±0.05 dB
THD + Noise ................................ 0.08% @ 1 kHz, 0.1% @ 20 kHz at nominal level
S/N ................................................ >90 dB at maximum output (unweighted)
Crosstalk ....................................... -105 dB @ 1 kHz, -91 dB @ 20 kHz (when all inputs are terminated)
Stereo channel separation .......... >80 dB @ 20 Hz to 20 kHz
CMRR ............................................ >75 dB @ 20 Hz to 20 kHz
Audio input — individual audio groups (VGA, S-video, composite video)
Number/signal type ................... 4 stereo, unbalanced, per each group
Connectors
VGA input group ............. (4) 3.5 mm female stereo mini jacks; tip (L), ring (R), sleeve (GND)
S-video and composite video input groups
Impedance .................................... >18k ohms unbalanced, AC coupled
Nominal level ............................... -10 dBV (316 mVrms)
Maximum level ............................ +9 dBV (2.82 Vrms), (unbalanced) at 1% THD+N
0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV
±5 mV with input at 0 offset
NTSC 3.58, NTSC 4.43, PAL, SECAM
-93 dB @ 1 kHz, -70 dB @ 20 kHz (when all inputs are unterminated)
4 pairs of female RCA connectors per group
2 dBu.
MPS Series • Reference Information
A-3

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