Part III: Background and Concepts
CCIR Line 18(multiburst)
CCIR 18 test signal
CCIR 18, also called a multiburst signal, consists of a set of single frequency sine wave signals with equal
amplitude. The left side is a white flag with a peak amplitude 420mVp-p and provide amplitude standard
for the following multiburst signals. Followed by six sine wave frequency packets, each frequency packet is:
0.5, 1.0, 2.0, 4.0, 4.8, and 5.8MHz. The multiburst signal is used to measure transmission system video
bandwidth frequency and amplitude response characteristic.
GCR signal line A for 525-line systems
Ghost Cancellation Reference (GCR)
This signal is also often used to measure in-channel frequency response.
CCIR Line 330
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