LC89962M Sanyo, LC89962M Datasheet - Page 3
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LC89962M
Manufacturer Part Number
LC89962M
Description
NTSC Format Delay Line
Manufacturer
Sanyo
Datasheet
1.LC89962M.pdf
(6 pages)
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4. Measure the differential gain (DG) and differential phase (DP) using a vector scope with a 5-step function wave
5. To measure LS, input a 5-step function wave and measure the ratio of the sync level (S) to the luminance level (Y).
6. To measure clock leakage (Lck), measure the 4fsc (14.3 MHz) component in the output signal with a spectrum
7. To measure the noise level (N
8. The following formula is used to calculate the output impedance (Z
9. To measure the delay time (TD), measure the delay time of the output signal to the input signal. In this measurement,
input. (See the following figure.)
LS = ———— 100 [%]
analyzer when no input signal is presented.
with a video noise meter. Set up the noise meter with a 200-kHz high-pass filter, a 4.2-MHz low-pass filter, and
3.58-MHz trap filter.
Z
the delay time associated with the low-pass filter must be excluded.
O
Output signal symbol
= ——————————— 500 [Ω]
V1 [mVp-p] – V2 [mVp-p]
Y [mV]
S [mV]
V1
V2
V2 [mVp-p]
SW3
a
b
O
), measure the noise output in the OUT pin output when no input signal is present
Sine wave: 200 kHz, 500 mV p-p
Input signal
LC89962, LC89962M
O
).
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