Pll Power; Pll Power Connection Example - Toshiba TMPR4937 Manual

21.4 PLL power

21.4.1

PLL power connection example

L R
C3 C2 C1
L R
Resistance
Inductance
Condensor (capacitance)
VddInt / VddPLL
Note that the above values are reference values.
TX4937
VddInt
VddPLL2_A
VssPLL2_A
VSS
Item Symbol
R
L
C1
C2
C3
Figure 21.4.1 Oscillation Circuit
21-4
Chapter 21 Electrical Characteristics
Place C1, C2, C3, R, and L as
close to the TX4937 as possible.
VddInt
R
VddPLL1_A
C1 C2
VssPLL1_A
R
VSS
Recommended Value
5.6
2.2
1
82
10
1.5 ± 0.1
L
C3
L
Unit
Ω
µ H
NF
NF
µ F
V