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PCF5078 Datasheet(PDF) 2 Page - NXP Semiconductors

Part No. PCF5078
Description  Power amplifier controller for GSM and PCN systems
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF5078 Datasheet(HTML) 2 Page - NXP Semiconductors

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1999 Apr 12
2
Philips Semiconductors
Product specification
Power amplifier controller for GSM and
PCN systems
PCF5078
FEATURES
• Compatible with baseband interface family PCF5073x
• Two power sensor inputs
• Temperature compensation of sensor signal
• Active filter for DAC input
• Power Amplifier (PA) protection against mismatching
• Bias current source for detector diodes
• Generation of pre-bias level for PA at start of burst
(home position)
• Possibility to adapt home position by external
components
• Applicable for a wide range of silicon and GaAs power
amplifiers.
APPLICATIONS
• Global System for Mobile communication (GSM)
• Personal Communications Network (PCN) systems.
GENERAL DESCRIPTION
This CMOS device integrates an amplifier for the detected
RF voltage from the sensor, an integrator and an active
filter to build a PA control loop for cellular systems with a
small amount of passive components.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
VDD
supply voltage
2.4
3.6
5.0
V
IDD(tot)
total supply current
−−
6mA
Tamb
operating ambient temperature
−40
+85
°C
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
PCF5078T
TSSOP8 plastic thin shrink small outline package; 8 leads; body width 3.0 mm
SOT505-1


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