Extron electronic 4LQXI, 4LDXI manual Specifications

		Chapter 1 • Introduction and Features
Specifications
Video input
Number/type	4 universal inputs (RGBHV, RGBS, RGsB, RsGsBs, S-video, composite video)
Connectors	4 x 5 BNC female
Nominal level(s)	Analog — 0.3V to 1.45V p-p
Maximum level(s)	Analog — 2V p-p
Impedance	75 ohms (deselected inputs)
Horizontal frequency	15 kHz to 150 kHz
Vertical frequency	30 Hz to 150 Hz
Return loss	-30dB @ 5 MHz
Video throughput
Gain	Unity
Bandwidth	300 MHz (-3dB)
Crosstalk	-80dB @ 3.58 MHz
Switching speed	5 mS (max.)
Video output
Number/type/format	System 4LDxi	1 RGBHV, RGBS, RGsB,	line-doubled video
	System 4LQxi	1 RGBHV, RGBS, RGsB,	line-quadrupled video
Connectors	5 BNC female
Nominal level	1V p-p
Impedance	75 ohms
Return loss	-25dB @ 10 MHz
DC offset	±5 mV maximum
Switching type	Triple action, 0 S to 5 S, adjustable
Sync
Input type	RGBHV, RGBS, RGsB, RsGsBs
Output type	RGBHV, RGBS, RGsB, RsGsBs
Standards	NTSC 3.58, NTSC 4.43, PAL, SECAM
Input level	0.5V to 5V p-p
Output level	0.5V to 5V p-p
Input impedance	510 ohms (deselected inputs)
Output impedance	75 ohms
Max input voltage	5V p-p
Max. propagation delay	5 nS
Max. rise/fall time	5 nS
Polarity	Positive or negative	(follows input)
Audio input
Number/type	4 stereo, balanced/unbalanced
Connectors	4 5 mm captive screw terminals, 6 conductor
Impedance	Unbalanced	10 kohms, AC coupled
	Balanced	20 kohms, AC coupled
Maximum level	+11.2dBu, (balanced or unbalanced) @ stated %THD+N
Input gain adjustment	–95.5dB to +31.5dB, adjustable per input
Audio throughput
Frequency response	±0.05dB @ 20 Hz to 20 kHz
THD + Noise	0.002% @ 1 kHz at rated maximum output drive
S/N	>95dB
Adjacent input crosstalk	>85dB @ 20 Hz to 20 kHz
Stereo channel separation	>60dB @ 20 Hz to 20 kHz
CMRR	>60dB @ 20 Hz to 20 kHz

Extron • System 4xi Switcher Series • User’s Manual 1-4