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ZXNB4202 fiches techniques PDF

Diodes - CONTROL AND POWER MANAGEMENT SOLUTION

Numéro de référence ZXNB4202
Description CONTROL AND POWER MANAGEMENT SOLUTION
Fabricant Diodes 
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ZXNB4202 fiche technique
A Product Line of
Diodes Incorporatedwww.DataSheet4U.com
ZXNB4202
SINGLE LNB - COMPLETE BIAS, CONTROL AND POWER MANAGEMENT SOLUTION
Summary
The ZXNB4202 is a single chip power management and control solution for LNB's. The highly integrated solution provides all the
required FET and mixer bias, control detection and decoding, local oscillator switching and a stable power supply for the IF
amplifier and additional support functions. Packaged in a small 16 pin package the ZXNB only requires 3 external components
providing a very small compact solution. Being at the heart of the LNB monitoring the control, power management and
environmental conditions, the ZXNB4202 is able to provide reliable solution eliminating effects such as false switching and over
loading.
Features
Single chip LNB bias, control and power management
Integrated regulated supply for LNB
Zero volt gate FET switching topology
Voltage detection for polarization switching
22kHz tone detector with unwanted signal rejection for
band switching
No external control signal filtering required
Programmable mixer and FET bias
Temperature compensated protected FET bias
Full power management protection
Application
Single and Single Universal LNBs
Mono-block LNB's
C-band LNB's
Pin Assignments
G1
D1
ZXNB4202
D2
G2
VOUT
HB
LB
CSUB
Top View
GND
Bottom View
Single LNB System Diagram
Gain stages
GaAs / HEMT FET
Active
mixer
IF Gain stages
ZXNB
4202
LB osc.
HB osc.
V OUT
V IN / CONTROL
Set-top box
receiver
ZXNB4202 (CONFIDENTIAL)
Document number: DS32071 Rev. 2 - 5
1 of 3
www.diodes.com
February 2010
© Diodes Incorporated

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