DS1870 LDMOS RF Power-Amplifier Bias Controller

Maxim Integrated Products

Description

Rev 1; 5/04 www.DataSheet4U.com LDMOS RF Power-Amplifier Bias Controller General .
Features. Two-Channel Solution for Programmable RF Bias Control. The Potentiometer’s Position is Automatically Updated to Compensate.

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Datasheet Specifications

Part number: DS1870
Manufacturer: Maxim Integrated ↗ Products
File Size: 866.45 KB
Datasheet: DS1870_MaximIntegratedProducts.pdf
Description: LDMOS RF Power-Amplifier Bias Controller

Features

* Two-Channel Solution for Programmable RF Bias Control
* The Potentiometer’s Position is Automatically Updated to Compensate for the Ambient Temperature and the Drain Voltage or Current
* A Five-Channel, 13-Bit ADC Continuously Monitors the Ambient Temperature, VCC, VD, ID1,

Applications

* It uses lookup tables (LUTs) to control 256-position potentiometers based on the amplifier’s temperature and drain voltage or current (or other external monitored signal). With its internal temperature sensor and multichannel A/D converter (ADC), the DS1870 provides a cost-effective solution that i

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DS1870 LDMOS Power-Amplifier Bias Controller Maxim Integrated Products

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