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IN3252HR • Potentiometer Adjustments
IN3252HR
IN3252HR • Specifications 76
Without an oscilloscope
1. Feed a grayscale signal from an Extron VTG 300/400 or
other A/V test generator to the input of the IN3252HR DA.
2. Adjust the green gain control potentiometer until the
picture from the display device appears to have the correct
brightness and contrast.
3. Adjust the red and blue potentiometers until the grayscale
picture appears to be gray only; no color is present.
4. Adjust the peaking control potentiometer until the picture
appears sharp and without visible smearing.
Specifications
Video
Gain ............................................... -3 dB to +3 dB (0.7 to 1.4), adjustable
Peaking .......................................... 0 to +6 dB @ 100 MHz
Bandwidth .................................... 400 MHz (-3 dB)
Video input and loop-through
Number/signal type ................... 1 RGBHV, RGBS, RGsB, RsGsBs,
component video, S-video, composite
video input
1 RGBHV, RGBS, RGsB, RsGsBs,
component video, S-video, composite
video passive loop-through
Connectors .................................... 2 x 5 female BNC
Nominal level............................... 0.7 Vp-p for RGB
Minimum/maximum levels ...... Analog: 0.3 V to 1.5 Vp-p with no offset at
unity gain
Impedance .................................... 75 ohms (default) or Hi-Z (selectable)
Return loss .................................... <-40 dB @ 5 MHz
Input coupling.............................. AC/DC, jumper selectable
Video output
Number/signal type ................... 2 RGBHV, RGBS, RGsB, RGBcvS,
component video, S-video, composite
video (follows input type)
Connectors .................................... 2 x 5 BNC female
Nominal level............................... 1 Vp-p for Y of component video and S-
video, and for composite video
0.7 Vp-p for RGB
0.3 Vp-p for R-Y and B-Y of component
video, and for C of S-video
Minimum/maximum levels ...... 0.3 Vp-p to 1.5 Vp-p (follows input)
Impedance .................................... 75 ohms
Return loss .................................... <-40 dB @ 5 MHz
DC offset ....................................... ±100 mV with input at 0 offset
Sync
Input type ..................................... RGBHV, RGBS, RGsB, RsGsBs
Output type .................................. RGBHV, RGBS, RGsB, RsGsBs
Input level ..................................... 2.0 V to 5.0 Vp-p
Output level.................................. TTL: 5.0 Vp-p, unterminated