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参数资料
| 型号： | TA8700AN |
| 元件分类： | 接收器 |
| 英文描述： | AUDIO/VIDEO DEMODULATOR, PDIP20 |
| 封装： | 0.300 INCH, 1.78 MM PITCH, PLASTIC, SDIP-20 |
| 文件页数： | 17/17页 |
| 文件大小： | 423K |
| 代理商： | TA8700AN |
TA8700AN
2001-05-10
9
Note 8: Carrier wave rejection ratio
PIF input (Pin 4) : fo=58.75MHz, fm=15.75kHz, 78% AM, 84dBV.
Add the voltage 2nd AGC terminal (Pin 1), So that the video output (Pin 15-b) can be 2Vp-p. Calculate the
following equation by setting the modulation off and measuring the output carrier level. (Vno-mod)
[dB]
)
(V
V
2.0
og
20
C
p
-
p
mod
-
no
L
l
=
Note 9: Harmonic rejection ratio
Measure as is Note 8, above, and calculate the secondary harmonic level (117.5MHz component) at video
output (Pin 15-b).
Note 10: AFT sensitivity
PIF input (Pin 4) : fo=58.75MHz, 84dBV, CW.
Input the above signal and adjust the AFT coil so that the AFT output pin (Pin 20) voltage is 4.5V.
Measure the output voltage differential (V) of the AFT output pin when the frequency is raised by 20kHz.
Then, calculate the ratio using the following formula.
/ V]
[kHz
V
20
V
f =
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相关代理商/技术参数 |
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| TA8701AN | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:PIF/SIF + ATT IC FOR TV/VTR |
| TA8703 | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:QUASI-SIF SYSTEM FOR TV |
| TA8703S | 制造商:Panasonic Industrial Company 功能描述:IC |
| TA8710 | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:SIF CONVERTER FOR TV AND VTR |
| TA8710S | 制造商:Panasonic Industrial Company 功能描述:IC |
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