mc33596 Freescale Semiconductor, Inc, mc33596 Datasheet - Page 50

• Manufacturer Part Number: mc33596
• Description: Pll Tuned Uhf Receiver For Data Transfer Applications
• Manufacturer: Freescale Semiconductor, Inc

Application Schematics
19
19.1 PCB Design Recommendations
Pay attention to the following points and recommendations when designing the layout of the PCB.
50
SNA Vert
•
J1
Ground Plane
— If you can afford a multilayer PCB, use an internal layer for the ground plane, route power
— Use at least a double-sided PCB.
— Use a large ground plane on the opposite layer.
— If the ground plane must be cut on the opposite layer for routing some signals, maintain
Application Schematics
supply and digital signals on the last layer, RF components being located on the first layer.
continuity with another ground plane on the opposite layer and a lot of via to minimize
C39
L7
C40
C6
Figure 43. MC33596 Application Schematic (5 V)
C20
C22
VCC2
VCC2
MC33596 Data Sheet, Rev. 3
SWITCH
1
2
3
4
5
6
7
8
RSSIOUT
VCC2RF
RFIN
GNDLNA
VCC2VCO
GND
NC
GND
C35
C24
X1
C7
C29
VCC2
1 nF
C3
MC33596
U14
VCC2
C31
C30
R13
DATACLK
GNDDIG
CONFB
RSSIC
SCLK
MOSI
MISO
SEB
C8
Freescale Semiconductor
24
23
22
21
20
19
18
17
RSSIOUT
STROBE
5 V
GND
SEB
SCLK
MOSI
MISO
CONFB
DATACLK
RSSIC