Extron electronic PVS 204SA manual Video output composite video

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)

N0 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) †
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

NInput 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

PVS 204SA Switcher • Reference Material A-3

PRELIMINARY