Extron Electronics PVS 204SA User Guide - Manual (Page 47)

A-3 PVS 204SA Switcher • Reference Material
PRELIMINAR
Y
Video output — composite video
Number/signal type ..................... 1 composite video
Connectors .................................... 1 RCA female
Nominal level ................................ 1 Vp-p for composite video (including sync)
†
Minimum/maximum levels ........ 0.4 V to 2.0 Vp-p (follows input)
Impedance ..................................... 75 ohms
Return loss ..................................... -40 dB @ 5 MHz
DC offset ........................................ ±20.5 mV with input at 0 offset
Sync
Input type ...................................... RGBHV, RGBS (RGB input)
Output type .................................... RGBHV, RGBS (RGB output, follows input)
Standards ........................................ NTSC 3.58, NTSC 4.43, PAL, SECAM (for composite video inputs and
outputs)
Input level ..................................... 2.0 V to 5.5 Vp-p
Output level .................................. 4.5 V to 5.5 Vp-p, unterminated
Input impedance .......................... 511 ohms
Output impedance ....................... 75 ohms
Max. propagation delay ............... 40 ns (system only, not due to cable delay)
Max. rise/fall time ........................ 15 ns
Polarity............................................ Positive or negative (follows input)
Audio input — refer to the PVT Series Transmitters’ audio specifications
Number/signal type ..................... 4 proprietary signals from Extron PVT Series wall plates and transmitters
Connectors .................................... 4 female RJ-45 (2 shared with RGB inputs, 2 shared with composite video
inputs)
N 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu
Audio — preamplifier
Input gain adjustment ................. –18 dB to +24 dB (default = 0 dB), adjustable per input via RS-232
Input level sensitivity ................... -10 dBV (0.316 Vrms) for maximum output before clipping
Volume control range ................... 0 to -60 dB
Crosstalk ........................................ <-85 dB @ 1 kHz, (with 50' cables)
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Stereo channel separation ........... >80 dB @ 1 kHz, (with 50' cables)
†
Bass adjustment ............................. ±10.5 dB @ 50 Hz
Treble adjustment .......................... ±10.5 dB @ 15 kHz
Audio input —Aux/Mix
Number/signal type .................... 1 mono, unbalanced or balanced
Connectors .................................... (1) 3.5 mm captive screw connector, 3 pole
Impedance ..................................... >15k ohms unbalanced, DC coupled
>22k ohms balanced, DC coupled
Nominal level ................................ -20 dBV (100 mVrms)
Maximum level ............................. +16 dBV (6.31 V), (balanced) at 1% THD+N
N Input clips at +16 dBV. The clipping level changes when gain changes.
Input gain/volume adjustment . -18 dB to +24 dB (default = 0 dB), adjustable independently from all other
audio gain and volume controls via front panel or RS 232
Input level sensitivity ................... -20 dBV (100 mV) for maximum output before clipping when Aux/Mix
volume is set to 24