M52744SP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M52744SP

I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER

MITSUBISHI ELECTRIC  

MITSUBISHI ICs (Monitor)

M52743SP/M52744SP

I2C BUS CONTROLLED 3-CHANNEL VIDEO PREAMPLIFIER

FC1' Frequency characteristics1 (f=150MHz)

Measuring condition and procedure are the same as described in

FC1, expect SG3 to 150MHz.

∆FC1' Frequency relative characteristics1 (f=150MHz)

Relative characteristics ∆FC1' is calculated by the difference in the

output between the channels.

C.T.3 Crosstalk3 (f=50MHz)

Input SG3 (50MHz) to pin11 only, and then measure the waveform

amplitude output at OUT (29, 32, 35). The measured value is called

VOUT (29, 32, 35). Crosstalk C.T.2 is calculated by the equation

below:

C.T.3=20Log VOUT (32, 35) (dB)

VOUT (29)

FC2 Frequency characteristics2 (f=150MHz)

SG3 to 1MHz is as input signal. Control the main contrast in order

that the amplitude of sine wave output is 1.0VP-P. By the same way,

measure the output amplitude when SG3 to 150MHz is as input

signal.

The measured value is called VOUT (29, 32, 35). Frequency

characteristics FC2 (29, 32, 35) is calculated by the equation below:

FC1=20Log

VOUT VP-P

(dB)

Output amplitude when inputed SG3 (1MHz):4VP-P

∆FC2 Frequency relative characteristics2 (f=150MHz)

Relative characteristics ∆FC2 is calculated by the difference in the

output between the channels.

C.T.1 Crosstalk1 (f=50MHz)

Input SG3 (50MHz) to pin2 only, and then measure the waveform

amplitude output at OUT (29, 32, 35). The measured value is called

VOUT (29, 32, 35). Crosstalk C.T.1 is calculated by the equation

below:

C.T.1=20Log VOUT (29, 32) (dB)

VOUT (35)

C.T.1' Crosstalk1 (f=150MHz)

Measuring condition and procedure are the same as described in

C.T.1, expect SG3 to 150MHz.

C.T.3' Crosstalk3 (f=150MHz)

Measuring condition and procedure are the same as described in

C.T.3, expect SG3 to 150MHz.

Tr Pulse characteristics1 (4VP-P)

Control the main contrast (00H) in order that the amplitude of output

signal is 4.0VP-P.

Control the brightness (V30) in order that the Black level of output

signal is 2.0V.

Measure the time needed for the input pulse to rise from 10% to 90

% (Tr1) and for the output pulse to rise from 10% to 90% (Tr2) with

an active prove.

Pulse characteristics TR is calculated by the equations below:

TR= [(Tr2)2-(Tr1)2] (nsec)

Tf Pulse characteristics2 (4VP-P)

Measure the time needed for the input pulseto fall from 90% to 10%

(Tf1) and for the output pulse to fall from 90% to 10% (Tf2) with an

active prove.

Pulse characteristics TF is calculated by the equations below:

TR= [(Tf2)2-(Tf1)2] (nsec)

100%

90%

C.T.2 Crosstalk2 (f=50MHz)

Input SG3 (50MHz) to pin6 only, and then measure the waveform

amplitude output at OUT (29, 32, 35). The measured value is called

VOUT (29, 32, 35). Crosstalk C.T.2 is calculated by the equation

below:

C.T.2=20Log VOUT (29, 35) (dB)

VOUT (32)

C.T.2' Crosstalk2 (f=150MHz)

Measuring condition and procedure are the same as described in

C.T.2, expect SG3 to 150MHz.

0%

Tr1 or Tr2

10%

Tf1 or Tf2

VthCP Clamp pulse threshold voltage

Turn down the SG5 input level gradually from 5.0VP-P, monitoring

the waveform output.

Measure the top level of input pulse when the output pedestal

voltage turn decrease with unstable.

WCP Clamp pulse minimum width

Decrease the SG5 pulse width gradually from 0.5µs, monitoring the

output. Measure the SG5 pulse width (a point of 1.5V) when the

output pedestal voltage turn decrease with unstable.

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