參數(shù)資料
型號: MC44C401FA
廠商: MOTOROLA INC
元件分類: 消費家電
英文描述: MTS Stereo Encoder
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP32
封裝: PLASTIC, TQFP-32
文件頁數(shù): 11/16頁
文件大小: 426K
代理商: MC44C401FA
Calibration
MOTOROLA
MC44C401
Technical Data
For More Information On This Product,
Go to: www.freescale.com
11
8 Calibration
The following sections show methods for setting various output levels for optimum system per-
formance.
8.1 Modulator Sensitivity
Figure 7. Measuring Modulator Sensitivity
Audio Generator
Precision Receiver
TEK TV1350
Precision MTS Decoder
Modulation Sciences SRD1
Audio Spectrum
Analyzer
Modulator
Stereo Encoder
Spectrum Analyzer
470
LPF
1.2K
Audio Analyzer
Audio Precision SYS2
500
Wide Band
Output
Composite Video
Left In
Right In
Disconnect Stereo
Encoder,
Inject 10395Hz here,
Adjust level for Bessel
null on spectrum
Analyzer
Measure Level With
Audio Spectrum
Analyzer Here
Measure Modulator Sensitivity
Cross Check that
Deviation Meter reads
25KHz Deviation
Measure Bessel
Null Here
DOLMRP
DOLPRP
F
Freescale Semiconductor, Inc.
n
.
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