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參數(shù)資料
| 型號： | LC89978M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | CCD Delay Line for Multi-System(用于電視機(jī)系統(tǒng)的CCD延遲線) |
| 中文描述： | 防治荒漠化公約延遲線的多系統(tǒng)（用于電視機(jī)系統(tǒng)的防治荒漠化公約延遲線） |
| 文件頁數(shù)： | 5/7頁 |
| 文件大?。?/td> | 98K |
| 代理商： | LC89978M |
Test Conditions
1. The supply current with no input signal
2. The pin output voltage (the center bias voltage) with no input signal
3. Measure the C-OUT output when a 350-mVp-p sine wave is input to C-IN1 and C-IN2.
C-OUT output [mVp-p]
350 [mVp-p]
G
VC
= 20log —————————— [dB]
Test frequencies:
G
VC-1
: 4.431395 MHz (PAL/GBI)
G
VC-2
: 3.571628 MHz (PAL/M)
G
VC-3
: 3.571628 MHz (NTSC/M)
4. Measure the comb depth from the C-OUT output when a 350-mVp-p sine wave with frequency fa is input to C-IN1
and C-IN2, and when a sine wave of frequency fb is input.
The C-OUT output for an fb input [mVp-p]
C
D
= 20log —————————————————— [dB]
The C-OUT output for an fa input [mVp-p]
Test Frequencies
fa
C
D-1
: 4.431395 MHz (PAL/GBI)
G
D-2
: 3.571628 MHz (PAL/M)
G
D-3
: 3.571628 MHz (NTSC/M)
fb
4.435303 (PAL/GBI)
3.575561 (PAL/M)
3.563761 (NTSC/M)
5. Measure the C-OUT output when a 200-mVp-p sine wave is input to C-IN1 and C-IN2, and when a 500-mVp-p sine
wave is input, and calculate the gain difference as follows:
(
The output for a 500-mVp-p input [mVp-p]
——————————————————
500 [mVp-p]
Test Frequencies
L
NC-1
4.431395MHz (PAL/GBI)
L
NC-2
3.571628MHz (PAL/M)
L
NC-3
3.571628MHz (NTSC/M)
The output for a 200-mVp-p input [mVp-p]
—————————————————— [dB]
200 [mVp-p]
L
NC
= 20log
6. Measure the 4fsc (14.3 MHz) and fsc (3.58 MHz) components in the C-OUT output with no input signal.
7. Measure the noise in the C-OUT output with no input signal.
Measure the noise with a noise meter with a 200-kHz high-pass filter and a 5-MHz low-pass filter.
8. Input a 350-mVp-p sine wave to C-IN1 and C-IN2. Let V1 be the C-OUT output when SW3 is set to the ‘a(chǎn)’ position,
and let V2 be the C-OUT output when SW3 is set to the 'b' position.
V2 [mVp-p] – V1 [mVp-p]
Z
OC
= ———————————
×
500 [dB]
V1 [mVp-p]
Test Frequencies
Z
OC-1
: 4.431395 MHz (PAL/GBI)
Z
OC-2
: 3.571628 MHz (PAL/M)
Z
OC-3
: 3.571628 MHz (NTSC/M)
9. The delay time in the C-OUT output with respect to the C-IN1 input. This is the CCD 1.5-bit delay.
10. The pin output voltage (clamp voltage) with no input signal.
No. 5546-5/7
LC89978M
)
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