CLOCK GENERATING CIRCUIT
4.1 Oscillation circuit examples
4.1.3 Connection example of filter circuit
In the usage of the PLL frequency multiplier, be sure to connect a filter circuit with pin VCONT
Figure 4.1.3 shows a connection example of the filter circuit.
.
M37906
VCONT
1 kΩ
220pF
0.1 F
Note: Connect the elements of the filter circuit as
close as possible and enclose the whole
circuit with a Vss pattern.
Fig. 4.1.3 Connection example of filter circuit
7906 Group User’s Manual Rev.2.0
4-3