MC33493MOD434 Freescale Semiconductor, MC33493MOD434 Datasheet - Page 13

• Manufacturer Part Number: MC33493MOD434
• Description: BOARD EVALUATION FOR MC33493 TX
• Manufacturer: Freescale Semiconductor
• Type: Transmitterr

Specifications of MC33493MOD434

• Contents: Module and Misc Hardware
• For Use With/related Products: MC33493 434 MHz RF Module
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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The RF output levels given in
RFOUT pin, as shown below in
The configuration shown in
schematic on
components for 434 MHz frequency band.
Freescale Semiconductor
(a)
(b)
Output Power Measurement
Figure
10(b) gives the equivalent circuit of the RFOUT pin and the DC bias impeder as well as matching network
Figure 10. Output Model and Matching Network for 434 MHz Band
PLL Tuned UHF Transmitter for Data Transfer Applications, Rev. 1.7
Figure
1.5 pF
Section 9, “Electrical
RFOUT pin
C
Figure 9. Output Power Measurement Configurations
Figure
0
10(a) provides better efficiency in terms of output power and harmonics rejection. The
VCC
RFOUT
250 Ω
9. This wideband coupling method gives results independent of the application.
R
0
VCC
RFOUT
Impeder: TDK MMZ1608Y102CTA00
Characteristics,” are measured with a 50 Ω load directly connected to the
Matching
Network
39 nH
Matching
Network
100 pF
L
Impeder: TDK MMZ1608Y102CTA00
1
RF output
Impeder
R
RF output
i
3 kΩ
R
L
= 50 W
R
L
330pF
=50 Ω
C
3
Output Power Measurement
Load
R
L
50 Ω
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