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Appendix c: technical data – PASCO ME-9207B FREE FALL ADAPTER User Manual

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Free Fall Adapter

012-05760B

Appendix C: Technical Data

Timer Specifications for the Free Fall
Adapter

The PASCO ME-9207B Free Fall Adapter can be used
with any timer that will:

1. Provide 5 VDC at 50 mA.

2. Provide a minimum resolution of 1 ms.

3. Begin counting on the negative slope of a pulse

and stop counting on the positive slope of the
pulse.

The connections for the stereo phone jack are indi-
cated in Figure 6. The schematic is shown below.

äNOTE: All resistors are 1/4 W, 5% unless
otherwise noted.

1/4”

Stereo
Phone

Jack

Signal Out

Ground

+5 Volt

Figure 9. Stereo Phone Jack Connections

Schematic Model ME-9207B Free Fall Adapter (956-03527A)