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CHP0230-PM Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers

Part No. CHP0230-PM
Description  824 to 849 MHz 28.5 dBm, Cellular InGaP HBT Amplifier Module
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Maker  ETC [List of Unclassifed Manufacturers]
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CHP0230-PM Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers

   
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3236 Scott Boulevard
Santa Clara, California 95054
Phone: (408) 986-5060
Fax: (408) 986-5095
CHP0230-PM
Features
❏ InGaP HBT Technology
❏ 6mm Square, 50 Ohm Power Module Package
❏ Single Positive Supply
❏ 35% Linear Power Added Efficiency
❏ 50% Analog Power Added Efficiency
❏ +28.5 dBm Output Power (CDMA Mode)
❏ 30 dB Gain at Operating Output Power
❏ On-Board Power Down Mode
Applications
❏ Cellular Multi-Mode Handsets
❏ Cellular Infrastructure
❏ Wireless Local Loop Subscriber Units
❏ CDMA Handsets
❏ CDMA2K 1X Handsets
Description
The CHP0230-PM is a 50 ohm matched, single sup-
ply, linear power amplifier module intended for use in cellular
handsets and wireless local loop subscriber units. The highly
integrated amplifier meets the requirements of CDMA and
CDMA2K 1X systems. It is a member of Celeritek’s new
TrueTriangle™ family of 3V power amplifier modules.
The CHP0230-PM is packaged in a low-cost, space
efficient, 6mm square, matched module that provides excellent
electrical stability and low thermal resistance. The module
operates from a fixed positive voltage and requires no external
matching which significantly reduces space, cost and enhances
ease of use.
The 6x6 mm package is self contained, incorporating
50 ohm input and output matching networks optimized for
output power, linearity and efficiency.
Celeritek’s InGaP HBT technology offers a thermally
robust and reliable PAM (power amplifier module) solution.
824 to 849 MHz
28.5 dBm, Cellular
InGaP HBT Amplifier Module
Product Specifications
July 2002
(1 of 4)
Functional Block Diagram
Application Information
The CHP0230-PM is a two-stage amplifier that requires a
single regulated positive supply along with the unregulated bat-
tery voltage for proper operation. Vref is a regulated 2.95 refer-
ence voltage for the bias control circuitry. It can also be used as
a power down mode select. Vcc is an unregulated supply volt-
age directly from the battery. Vcc should be applied prior to
Vref and before RF input power. The CHP0230-PM can be
operated over a range of supply voltages and bias points by
adjustment of Vref. It is important that the maximum power
dissipation of the package be observed at all times and that the
maximum voltage across the device is not exceeded.
Circuit Design Considerations
Biasing The positive Vcc supply voltages are applied to pins
1 and 6. Most bypass decoupling is provided on-board. Vref is
applied to pin 3.
The recommended DC bypass capacitance is shown in the
schematic diagram on Page 4.
Inadequate bypass capacitance and inductance around the
DC supply lines can compromise the adjacent channel power
ratio (ACPR), reduce power gain and/or create oscillations.
– Continued on Page 2 –
TM
Absolute Maximum Ratings
Parameter
Rating
Parameter
Rating
Parameter
Rating
Collector Voltage (+Vcc)
+6.0 V*
Reference Voltage (Vref)
+3.1 V
Operating Temperature
-40°C to +100°C
Collector Current (Icc)
1.2 A
Power Dissipation
5 W
Storage Temperature
-65°C to +150°C
RF Input Power
7 dBm
Soldering Temperature
260°C for 5 Sec.
Recommended Operating Conditions
Parameter
Typ
Units
Parameter
Typ
Units
Collector Voltage (+Vcc)
3.2 to 4.1
Volts
Operating Temperature (PC Board)
-20 to +70
°C
Reference Voltage (Vref)
+2.95 (±1.2%)
Volts
(Fixed and regulated)
* RF Off.
Vcc 1
RF IN 2
Vref 3
6 Vcc
5 RF OUT
4 N/C
Ground connection is
on backside
BIAS


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