XTALK (Crosstalk)
The XTALK measurement function is selected by pressing the
FUNCTION XTALK key. It is available in both analog and digital
analyzer modes.
The Crosstalk measurement function measures the amount of signal
that passes from a driven channel (or channels) to a non-driven
channel. On a stereo device, this is also referred to as the ‘stereo
separation’. A bandpass filter is used to tune only the driven
frequency; this rejects the effects of wideband noise on the
measurement.
In Crosstalk measurement function, the selected channel is always the
non-driven channel, and it is from this channel that the main
measurement is taken. The alternate channel is the driven channel,
and its amplitude is measured for comparison to the non-driven
Figure 4-30. Main panel in XTALK function
FREQUENCY
COUNTER
PRIMARY
READING
DETECTOR
INPUT
RANGING
INPUT
TERMINATION
INPUT
TERMINATION
LCD DISPLAY
INPUT
RANGING
SECONDARY
READING
DETECTOR
INTERNAL
JUMPER
INPUT
MONITOR
SPEAKER/
HEADPHONE
READING
MONITOR
CHANNEL A
CHANNEL B
NON-DRIVEN
CHANNEL
DRIVEN
CHANNEL
TUNED
BANDPASS
FILTER
Figure 4-31. Block diagram of Analog Crosstalk measurement
4 Functions
Function Descriptions XTALK (Crosstalk)
ATS-1 Dual Domain User's Manual 4-33
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