V1.0 Page 39 of 46 ICM MP CCQ ST
C45, M50 AND MT50 Company Confidential © Copyright Siemens AG 05/02
7.2 Vibra
The vibrator is assembled in the lower case shell. The electrical connection is
carried out via spring contacts The Vibra is driven and controlled from the
power supply ASIC (pin B3)via the signal VIBRA
The vibrator is directly connected to the ASIC´s 2,9V. The diode V440 is used to
protect the circuit against over voltage and switching spikes.
3,6V..4,2V
15,5..20,3µs
50µs
0,5s0,5s
Vibra-Timing
D361
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