Appendix A: Specifications
A–4
WFM 601i Serial Component Monitor
Table A–5: Video Error Detection and Diagnostics
Characteristic
Performance Requirement
Reference Information
Video Error Detection
Type
Active picture and full field. Field rate resolution. Uses
CRC check-word system. System is known as EDH
(Error Detection and Handling) in industry literature.
Complies with SMPTE RP165.
Reporting Means
Front-panel ALARM lamp, rear-panel TTL line, and
CRT readout.
Error Statistics
Asynchronous errored seconds. Active picture and full
field statistics are separately compiled.
Diagnostics
Embedded Audio
Identifies the presence of up to 16 channels of
AES/EBU digital audio.
Ancillary Data
Identifies the presence of ancillary data (other than
audio and EDH) and indicates if a checksum error has
occurred.
Format Errors
Warns that a serial signal format error has occurred
Detected Errors:
1.
SAV placed incorrectly
2.
Line length error
3.
Field length error
4.
Reserved values used improperly
5.
ANC data checksum error
6.
ANC data parity error
7.
ANC data placement error
Signal Lost
Reports absence of serial video signal
Table A–6: External Reference
Characteristic
Performance Requirement
Reference Information
Input
Analog composite video or black burst
Maximum Operating Input
Voltage
–1.8 V to +2.2 V, dc plus peak ac
Absolute Maximum Input
Voltage
–8.5 V to +8.5 V, dc plus peak ac
DC Input Impedance
w
20 k
W
Return Loss
w
40 dB to 6 MHz
Typically
w
46 dB to 6 MHz;
w
40 dB to 10 MHz
Содержание WFM 601i
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