Digital Jitter Meter TA220

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	Digital Jitter Meter TA220

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Functions

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Data-to-clock jitter measurement	Clock period measurement	Pulse width (data-to-data) jitter measurement	Level measurement
Blu-ray Disc equalizer and PLL circuit	Store/Recall function	TA220 function block diagram

Blu-ray Disc equalizer and PLL circuit

The TA220 has a conventional equalizer conforming to Blu-ray Disc RE standard version 1.0, as well as an auto-slicer and PLL clock regeneration circuit. These features can be used to measure jitter directly from an RF signal. The equalizer boost can be varied in 0.1 dB steps in the range of +3.0 dB to +9.0 dB. Maximum group delay deviation is very flat, at 1 nsp-p (3.0 MHz ≤ f ≤ 22 MHz). In addition, an optional limit equalizer can also be installed together with the conventional equalizer. Boost can be varied in the range of +3.0 dB to +9.0 dB. In addition, this equalizer has a preset menu of boost values for 23 GB, 25 GB, and 27 GB.
	Measured waveform with conventional equalizer
	Measured waveform with limit equalizer

Store/Recall function

As many as seven TA220 settings can be stored in and recalled from the internal memory. The stored information includes all settings other than the GP-IB address. You can recall preset settings such as measurement function changes, boost settings, and window changes for pulse width jitter measurement. Even during automatic measurement, settings can be changed in a single step using the Store/Recall function, without sending multiple commands.

TA220 function block diagram