User Manual

Buffered Comparator Input (BUFCOMPIN)

This is the analog output of the RF receiver. The pin must remain

unconnected, or deterioration of read capability will occur.

Buffered Comparator (BUFCOMP)

This is the digitized output of the RF receiver.

Receiver blanking signal (BLANK)

When low, the microcontroller is ignoring the output from the RF

receiver.

VCC

This is the 5.0 V regulated power for the interrogator. It should only be

used as a reference. Current drawn in excess of 50 mA may cause the

system to shut down.

U519 FCC rewrite 2-22-01.p65 2/22/2001, 2:43 PM39