334Tibbo Project System (TPS)
© Tibbo Technology Inc.
The IR Tibbit treats IR data (demodulated, information-bearing signal) as a
sequence of "IR light ON" and "IR light OFF" periods of measured lengths. That is,
the IR Tibbit does not attempt to process the data "intelligently" (i.e. classify the IR
protocol, etc.). The length of each ON and OFF period is measured and recorded in
periods of the modulation frequency. Here is how the data is stored in the buffer:
Examples of Wiring to IR Receivers & Emitters
Kingbright APECVA3010P3BT phototransistor
These are popular SMT phototransistors. The carrier frequency is filtered out, so run
the IR data recording in the no-carrier mode (command register, bit 4 = 1). The
output produced by this circuit is "normal" (non-inverted), so set bit 2 of the
command register to 0.
Vishay TSMP6000
This is a photo detector and preamplifier in one package, with good noise filtering.
This part is fast enough to preserve the modulation frequency in the output signal.
Therefore, set bit 4 of the command register to 0. The output produced by this IC is
"normal" (non-inverted), so set bit 2 of the command register to 0.
Vishay TSAL6100
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