CMX980AL7 CML Microcircuits, CMX980AL7 Datasheet - Page 9

• Manufacturer Part Number: CMX980AL7
• Description: TETRA Baseband Processor
• Manufacturer: CML Microcircuits

TETRA Baseband Processor
1.5
The device is designed to operate at a master clock frequency of 9.216MHz, but may be used over the full
specified frequency range provided that guidelines in this document are followed. Many internal functions
scale with the master clock frequency, which is referred to as “MCLK” where this is the case.
1.5.1
1999 Consumer Microcircuits Limited
Optimum performance from the CMX980A can only be obtained by the use of adequate decoupling
General Description
Connection and Decoupling of Power Supplies
and the separation of analogue and digital signals, including the use of separate ground planes.
Printed circuit board layout should follow the recommendations shown in Figure 3.
Figure 3 Recommended Decoupling Components
9
CMX980A
D/980A/3