"CX24109-11Z,518" NXP Semiconductors, "CX24109-11Z,518" Datasheet - Page 23

"CX24109-11Z,518"

Manufacturer Part Number
"CX24109-11Z,518"
Description
Manufacturer
NXP Semiconductors
Datasheet

Specifications of "CX24109-11Z,518"

Lead Free Status / Rohs Status
Compliant
2.1
2.2
2.3
2.4
CX24109_N_1
Product data sheet
AGC Input
VCO Power Pin Ripple Requirement
Transmission Lines
Example Schematic
To prevent excessive current draw, a 10 k
Figure
Care must be taken to reduce the power supply ripple on pin 13 (VCO power supply) in order
to reduce phase noise. The power supply conditioning circuitry given in
for most circumstances.
Though the CX24109’s RF layout is simple, there are two transmission lines that must be
designed. The first transmission line is the LNB power line, which is located at the connector.
The second transmission line is between the connector and the RF IN pin. The input
transmission line must have a characteristic impedance of 75
recommended dimensions assuming a two-layer FR-4 board.
Figure 6
complete and current reference design information, contact your local Conexant sales office.
CX24109
Chapter 2: Applications
Rev. 01 — 13 November 2008
6.
provides a simplified version of the CX24109/CX24121 reference design. For
Rev. 01 — 13 November 2008
Ω
resistor on the AGC pin is recommended. See
Ω
. The schematic gives
Product data sheet
Figure 6
© NXP B.V. 2008. All rights reserved.
is suitable
23

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