SR3 Type 1 Technical Manual TSP005.doc Issue 5.0 – Jan 2005
Money Controls 2005. All rights reserved.
Page 43 of 50
25.2 Circuit 2 – ccTalk Low Cost Interface
Assuming that the transmitting device is capable of sinking a reasonable amount of current,
a direct diode interface can be used rather than a full transistor interface. Although cheaper
to implement, this circuit does not have the drive capability or the robustness of other
designs.
Figure 20: Circuit 2, ccTalk Low Cost Interface
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