General Description
The LM1203B is an improved version of the popular LM1203 wideband video amplifier system. The device is intended for high resolution RGB CRT monitors. In addition to three matched video amplifiers, the LM1203B contains three gated differential input black level clamp comparators
for brightness control and three matched attenuator circuits for contrast control. Each video amplifier contains a gain set or ``Drive'' node for setting maximum system gain or providing
gain trim capability for white balance. The LM1203B also contains a voltage reference for the video inputs. The LM1203B is pin and function compatible with the LM1203.

Applications
* High resolution RGB CRT monitors
* Video AGC amplifiers
* Wideband amplifiers with gain and DC offset controls

Features
* Three wideband video amplifiers (100 MHz @ b3 dB)
* Matched (g0.1 dB or 1.2%) attenuators for contrast control
* Three externally gated comparators for brightness control
* Provisions for individual gain control (Drive) of each video amplifier
* Video input voltage reference
* Low impedance output driver
* Stable on a single sided board

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General Description
The AS3691 features four high precision current sources for driving up to four LED strings (RGB or single color leds). Each of the four currents sources can be controlled independently by PWM inputs.
The full scale current value is set by external resistors.

 Key Features
* 4 x 400mA constant current outputs
* Programmable with external resistors
* 4 independent PWM inputs
* Absolute current accuracy +/-0.5%
’Automatic Supply Regulation’ to reduce power dissipation 1)
 Patent Pending
* Very wide output voltage current source voltage compliance
− Down to 0.41V
− Up to 15V 2)
* Integrated overtemperature protection
* Separate sense pads (Rfb1-Rfb4) for easy and
precise PCB Layout
* Package
− DIE
− QFN24 4x4mm
2) 15V is sufficient for most applications as the
AS3691 dose not switch off the LED current
completely

Applications
* General Lighting
* Backlighting
* RGB Backlighting for LCD TV/Monitors with White Color Balancing
TAG current, LEDs, RGB

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General Description
The LM2506 device adapts RGB style display interfaces to the Mobile Pixel Link (MPL) Level zero serial link. The LM2506 supports one RGB display at up to 18-bit color depth and 800 X 300 pixels (over 216 Mbps and 13.2 MHz PCLK) is supported. A mode pin configures the device as a Serializer (SER) or Deserializer (DES) so the same chip can be used on both sides of the interface.
The interconnect is reduced from 22 signals to only 3 active signals with the LM2506 chipset easing flex interconnect design, size constraints and cost.
The LM2506 in SER mode resides beside an application, graphics or baseband processor and translates a parallel bus from LVCMOS levels to serial Mobile Pixel Link levels for transmission over a flex cable (or coax) and PCB traces to the DES located near the display module.
When the Power_Down (PD*) input is asserted on the SER, the MDn and MC line drivers are powered down to save current. The DES can be controlled by a separate Power-Down input or via a signal from the SER (PDOUT*).
The LM2506 implements the physical layer of the MPL Level 0 Standard (MPL-0) and a 150 μA IB current (Class 0).

Features
*RGB Display Interface support up to 800 x 300 1⁄2SVGA formats
*MPL-Level 0 Physical Layer using two data and one clock signal
*Low Power Consumption
*Pinout mirroring enables straight through layout with minimal vias
*Level translatio*betwee*host and display
*Auto Power Dow*o*STOP PCLK
*Link power dow*mode reduces quiescent power under < 10 μA
*1.74V to 2.0V core / analog supply voltage range
*1.74V to 3.0V I/O supply voltage range
*−30C to 85C Operating temperature range System Benefits
*Small Interface
*Low Power
*Low EMI
*Intrinsic Level Translation


LM2506GR
LM2506SQ

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RGB ENCODER
The KA2195D is a monolithic integrated circuit designed for RGB encoder of video system. This device contains matrix of R-Y/B-Y, modulator, pulse generator, regulator and built in BPF of chroma and delay line of luminance. The KA2195D is suitable for video equipment

FUNCTION
· Regulator
· Mixer of R-Y, B-Y
· Modulator
· Pulse generator
· Audio buffer
· X-tal oscillator
· Clamp circuit
· BPF & D.L circuit

FEATURE
· Lower operating voitage:Vcc= 5V
· Stabilized bias condition in regulator
· Available only NTSC system
· Included 75 ohm driver (RGB Output, composite video output, composite sync. output)
· Sub-carrier frequency using X-tal and available external input
· Include BPF & delay line :Minimized external components
· Audio buffer circuit
· R-Y, B-Y modulator
TAG encoder, NTSC, RGB

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