LT1675 LINER [Linear Technology], LT1675 Datasheet - Page 12

• Manufacturer Part Number: LT1675
• Description: 250MHz, Triple and Single RGB Multiplexer with Current Feedback Amplifiers
• Manufacturer: LINER [Linear Technology]

LT1675/LT1675-1
TYPICAL APPLICATIO S
This circuit is useful for viewing photographic negatives
on video. A single channel can be used for composite or
monochrome video. The inverting amplifier stages are
only switched in during active video so the blanking, sync
12
VIDEO IN
LT1634
GREEN
BLUE
RED
10k
5V
1.25V
10k
97.6
97.6
97.6
0.714V
U
332
332
332
LT1399
–
+
–
+
–
+
332
332
332
RGB Video Inverter
and color burst (if present) are not disturbed. To prevent
video from swinging negative, a voltage offset equal to the
peak video signal is added to the inverted signal.
+1
+1
+1
+1
+1
+1
LT1675
COMPOSITE
BLANKING
+2
+2
+2
75
75
75
V
SELECT
ENABLE
+
V
CABLE
CABLE
CABLE
–
75
75
75
V
V
V
OUT RED
OUT GREEN
OUT BLUE
1675 TA03