Chapter 1 • Introduction and Features
Extron • System 4
xi
Switcher Series • User’s Manual
1-4
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
