Extron electronic System 4LD xi specifications Video input, Video output, Sync, Audio

Specifications — System 4LDxi Switcher

Video

Gain	Unity
Bandwidth	300 MHz (-3dB)
Crosstalk	-80dB @ 3.58 MHz
Switching speed	5 mS (max.)

Video input

Number/signal type	4 universal inputs (RGBHV, RGBS, RGsB, RsGsBs, S-video, composite video)
Connectors	4 x 5 BNC female
Minimum/maximum levels	Analog	0.3V to 2V p-p with no offset
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 output

Number/signal type	1 RGBHV, RGBS, RGsB, line-doubled video
Connectors	5 BNC female
Minimum/maximum levels	0.3V to 2.0V p-p
Impedance	75 ohms
Return loss	-25dB @ 10 MHz
DC offset	±5mV maximum with input at 0 offset
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

Frequency response	20 Hz to 20 kHz, ±0.05dB
THD + Noise	0.002% @ 1 kHz at rated maximum output drive
S/N	>95dB at rated maximum output drive
Crosstalk	<-85dB @ 20 Hz to 20 kHz, fully loaded
Stereo channel separation	>60dB @ 20 Hz to 20 kHz
CMRR	>60dB @ 20 Hz to 20 kHz

Audio input

Number/signal type	4 stereo, balanced/unbalanced
Connectors	4 5 mm captive screw connectors, 6 pole
Impedance	>10 kohms unbalanced, >20 kohms balanced, AC coupled
Maximum level	+11.2dBu, (balanced or unbalanced) at stated %THD+N
Input gain adjustment	–95.5dB to +31.5dB, adjustable per input

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