AWG G3 PAD FOR PS3 Especificaciones descargar pdf (Pagina 240)

7 Analog Modules Time Interval Analyzer

240 System Reference, January 2001

• Routes one or two input pins among seven input pins to

the TIA instrument. For single channel measruement

(PW, PER, FREQ), only CH1 is routed to a pin. CH2 is

only routed to a pin for dual channel measruement

(PD).

If two TIA instruments are connected with the front-

end module, the center block can route one or two

input pins to one TIA instrument and another one or

two input pins to the other TIA instrument.

• Compensate the skew between the input pins and

between the input pin and the trigger pin.

Because the length of the routes inside the front-end

module are different depending on the input pins and

trigger pins, the skew happens between the input pins

and between the input pin and the trigger pin. The

programmable delay in the center block compensates

the skew.

• Comparator for the trigger (arming signal) input

The input impedance of the trigger is 50 ohm. The

threshold level of the comparator of the trigger pin is

fixed to 0.0 V. The level of the trigger (arming) signal

must be within -1.5 V to +2.5 V (@50 ohm termination).

Output Block

The output block outputs the signals and trigger signals

with 50 ohm impedance to the TIA instruments.

TIA Instrument

The following is the simplified block diagram of the TIA

instrument.

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AWG G3 PAD FOR PS3 Especificaciones Pagina 240