Korean CDMA 3.5V POWER AMPLIFIER MODULE ECM028 Korean Band Person
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ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE
ECM028 Korean Band Personal Communications Service (PCS) power amplifier housed 6-pin, Land Grid Array, surface mounted module. input output both matched operates 3.5V with high efficiency within 1750 1780 band. This device developed using EiC's InGaP Gallium Arsenide Heterojunction Bipolar Transistor (HBT) process optimized CDMA (digital) providing excellent power added efficiency 28dBm output.
Features
Operates from single 3.5V Supply 3-Cell Li-Ion Battery Power-down activated when Vref Very leakage current <10uA CDMA Power CDMA Efficiency 28dBm
Applications
Korean CDMA Handsets
Power-down Capability Typical Quiescent Current High Reliability InGaP design
CAUTION!
SENSITIVE ELECTRONIC DEVICE
SS-000520-000 Revision Fax: (510) 979-8902 www.eiccorp.com
Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE
ELECTRICAL SPECIFICATIONS
following tables list electrical characteristics ECM028 Power Amplifier Module. Table lists electrical performance ECM028 nominal operating conditions Korean band. Table lists absolute maximum ratings continuous operation.
Table Electrical Specifications
Test Conditions: 25oC, +3.5V, VREF (reference power-down voltage) +2.9V, 1750 1780
SYMBOL ACPR ACPR2 ACPR ACPR2 ILeak Vref/Vpd PARAMETER CONDITION LIMITS MIN. 1750 UNIT TYP. -140 <100 MAX. 1780 VSWR dBm/Hz TEST CONDITION
Frequency Gain (CDMA Modulation) Output Power (CDMA) Adjacent Channel Power Rejection Adjacent Channel Power Rejection Power Added Efficiency (CDMA) Adjacent Channel Power Rejection +27.5 Adjacent Channel Power Rejection +27.5 Power Added Efficiency (CDMA) +27.5 Power Added Efficiency (CDMA) Output Stability Quiscent Current Applied Leakage Current Applied Supply Voltage reference (power down) Input Return Loss Harmonics Noise Noise Power Band Noise Figure TON/OFF Power Down On/Off Time NOTE Using Application Schematic. Tuned CDMA. NOTE 1250 2250KHz offset from band center. NOTE oscillation phases NOTE 3.5V, VREF/PD
NOTE NOTE NOTE NOTE NOTE
NOTE NOTE
Table Absolute Maximum Ratings
Exceeding absolute maximum ratings cause permanent damage device. damage assuming only paeameter limit time with other parameters below nominal value.
PARAMETER Supply Voltage Reference Power-down Voltage(Vcc=VREF Power Input Ambient Operating Temperature Storage Temperature RATING +110 +140 UNIT Volts Volts TEST CONDITION VREF 2.9V 3.5V VREF
2.9V
Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999 Fax: (510) 979-8902 www.eiccorp.com
SS-000520-000 Revision
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE
PACKAGE DIMENSIONS MARKINGS
ECM028 multi-layer laminate base, overmold encapsulated modular package designed surface-mounted solder attachment printed circuit board.
Package Dimensions
inches .232 .095 .047 .094 .232 .095 .075 .143 .236 .099 .051 .098 .236 .099 .079 .147 5.78 2.31 1.09 2.29 5.78 2.31 1.81 3.53 millimeters 5.89 2.41 1.19 2.39 5.89 2.41 1.91 3.63 5.99 2.51 1.29 2.49 5.99 2.51 2.01 3.73
BOTTOM SIDE .036" .030" (0.91mm 0.76mm) BOTTOM SIDE GROUND (The exposed ground metal within this area.)
.228 .091 .043 .090 .228 .091 .071 .139
Metric values converted from English values. Metric values rounded off.
Device Marking
.232" .004" (5.89mm .1mm)
INDICATOR
PINOUT Vcc1 RFin Vcc2 RFout
.232" .004" (5.89mm .1mm)
XXXX ECM028 XXXX
FABRICATION BATCH
.055" .010" (1.4 +/-.2
VIEW
SS-000520-000 Revision Fax: (510) 979-8902 www.eiccorp.com Phone: (510) 979-8999
Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE LAYOUT front side ground area under requires multiple vias provide thermal resistance backside ground. EVAL BOARD
SCHEMATIC
Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999 Fax: (510) 979-8902 www.eiccorp.com
SS-000520-000 Revision
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE
Notes:
FUNCTION Vcc1 Vref Vcc2
DESCRIPTION connects driver stage collector. input port connects internally matched circuit. Ref. Voltage bias circuit. significant amplifier current drawn until Vref reaches approximately 2.5V. series resistor ohms required. Vcc2 connects power amplifier stage collector. internally matched ohms expects load impedance. Ground Ground. This ground also serves heat sink must connect well ground heat sink. supply pins connected together supply.
Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999 Fax: (510) 979-8902 www.eiccorp.com
SS-000520-000 Revision
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE
Figure
ACPR1 Pout Frequency Using CDMA Signal (3.5v)
18.0
ACPR (dBc)
ACPR1 1750MHz ACPR1 1765MHz ACPR1 1780MHz
21.0
24.0
26.0
26.5
27.0
27.5
28.0
28.5
Pout (dBm)
Figure
CDMA Gain Temperature Frequency 27.5dBm
28.0 27.5 27.0
Gain (dB)
Gain -40°C Gain -20°C Gain 25°C Gain 65°C Gain 85°C
26.5 26.0 25.5 25.0 24.5 24.0 1750MHz 1780MHz
Frequency
Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999 Fax: (510) 979-8902 www.eiccorp.com
SS-000520-000 Revision
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE
Figure
Pout Gain Frequency Using CDMA Signal 3.5v
Gain (dB)
18.0
Gain 1750MHz Gain 1765MHz Gain 1780MHz
21.0
24.0
26.0
26.5
27.0
27.5
28.0
28.5
Pout (dBm)
Figure
Pout Frequency
1750MHz 1765MHz 1780MHz
%eff
15.0 20.0 25.0 30.0
Pout (dBm)
Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999 Fax: (510) 979-8902 www.eiccorp.com
SS-000520-000 Revision
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE
Figure
Frequency 2.9v 27.5dBm Pout
40.0 38.0 36.0
eff%
1750MHz 1765MHZ 1780MHz
34.0 32.0 30.0 28.0
Figure
ACPR1 Frequency 2.9v 27.5dBm Pout
-40.0 -42.0
ACPR (dBc)
-44.0 -46.0 -48.0 -50.0 -52.0 -54.0 ACPR1 1750MHz ACPR1 1765MHz ACPR1 1780MHZ
Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999 Fax: (510) 979-8902 www.eiccorp.com
SS-000520-000 Revision
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE
Figure
Gain Frequency 2.9v
28.0 27.5
Gain (dB)
27.0 26.5 26.0 25.5 25.0 Gain 1750MHz Gain 1780MHz
Figure
Gain Frequency 3.5v
28.0 27.0
Gain (dB)
26.0 25.0 24.0 23.0 22.0
Gain 1750MHz Gain 1765MHz Gain 1780MHz
Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999 Fax: (510) 979-8902 www.eiccorp.com
SS-000520-000 Revision
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE
Figure
ACPR1 Temperature Frequency 27.5dBm
-43.0 -44.0
ACPR1 (dBc)
-45.0 -46.0 -47.0 -48.0 -49.0 1750MHz 1780MHz
ACPR1 -40°C ACPR1 -20°C ACPR1 25°C ACPR1 65°C ACPR1 85°C
Frequency
Figure
Temperature Frequency 27.5dBm
39.0 38.0 37.0 -40°C -20°C 25°C 35.0 34.0 33.0 32.0 1750MHz 1780MHz 65°C 85°C
eff%
36.0
Frequency
Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999 Fax: (510) 979-8902 www.eiccorp.com
SS-000520-000 Revision
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE ECM028 Operating Principles Features ECM028 6x6mm size Power Amplifier Module (PAM) Korean band CDMA handset market. utilizes InGaP technology multi layer laminate base, over molded modular package with signal pad. offers Reliability Quality EiCs proprietary InGaP provides excellent reliability used infrastructure industry. InGaP inherently superior AlGaAs HBT. surface defect density InGaP much lower than that AlGaAs. life test InGaP gone through 315oC junction temperature 50kA/cm2 over 6000 hours months), translating multimillion hours lifetime longer operation envelope [1]. This kind robust performance superior conventional AlGaAs HBT. InGaP goes through product burn-in test well. large sample group, usually pieces, goes through burn-in test ambient temperature 1000 hours. number than calculated based upon data collected. MTTF simply 1/FIT, this MTTF should agree with life test results. agreement between MTTF from life test essential: validates both tests! there large discrepancy [2], quality claim flawed. Although handset applications have stringent operating requirements infrastructure market, high reliability InGaP offers assurance user high quality product designed high volume production. InGaP Patent-pending Circuit Design Offers Temperature Variation Current gain InGaP varies about over +85oC range, compared with AlGaAs HBT. This gain variation over temperature, coupled with patent-pending circuit design approach, provides more stable electrical performance. III. ECM028 Offers High Gain Margin Transmitter Chain Design typical gain ECM028 28dB. This high gain allows driver amplifier very linear which results reduced current. Taking into account loss front PAM, driver needs deliver only 4dBm linear power. P1dB driver amplifier should more than 10dBm. Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999 Fax: (510) 979-8902 www.eiccorp.com SS-000520-000 Revision
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE lower gain used, driver needs provide more power, expense more operation current possible degradation ACPR. Therefore ECM028 replace lower gain PAM, this allows driver work lower output power provide better ACPR, this improved performance offers more design margin transmitter chain. Easy Shut Down Leakage Current connected directly battery, therefore shut down required. voltage applied Vref pin, which then brings quiescent current. Removing voltage applied Vref pin, quiescent current will drop small leakage current, typically <10uA. leakage current allows longer standby time phone. General Application requires minimal number external components. Both input output dc-blocked within shown function diagram. input connected ground through shunt inductor within PAM. ECM028 designed with quiescent current 50mA typical. full CDMA power 28dBm, operation current will around 500mA. Therefore "quasi class "deep class amplifier. operation current increases with output power. CDMA signal time varying amplitude. peak power above average power more accurately defined PDF, power density function). peak power clipped amplifier saturation power level, distortion signal will cause ACPR deteriorate rapidly. Therefore P1dB tested SINE wave) amplifier should over 31dBm provide good ACPR output power. 100pF capacitor required adjacent Vcc2 pin. addition, large capacitor (>uF) required. CDMA signal time-varying amplitude; therefore draws operation current corresponding instantaneous demand power. large capacitor near-by electric charge reservoir, providing current demand. long electrical path from battery behaves large inductor; instantaneous demand current will cause voltage drop, resulting poor ACPR. evaluation board, large shunt capacitor added protect Vref from power supply over-voltage during ON/OFF. This similar Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999 Fax: (510) 979-8902 www.eiccorp.com SS-000520-000 Revision
ECM028
Korean CDMA 3.5V POWER AMPLIFIER MODULE
different from ESD. Therefore rise fall time test power down feature needs tested with shunt capacitor Vref removed. Conclusion ECM028 offers high gain, quiescent current, small footprint. InGaP technology provides excellent reliability quality, assuring phone manufacturer high quality product designed high volume production. "InGaP HBTs offer Enhanced Reliability", Barry Lin, Applied Microwave Wireless. 115-116, Dec. 2000 Interaction Degradation Mechanisms Be-Doped GaAs HBTs", Darrell Hill John Parsey, Digest GaAs Symposium, Oct., 2000. 241-244
APPLICATION NOTES
Please visit website www.eiccorp.com view download following documents. also call Customer Service request hardcopy. Document AP-000513-000 AP-000516-000 Description Tape Reel Specifications: PAMS Application Note Index
Corp. Subsidiary Enterprises, Ltd.
45738 Northport Loop West, Fremont, 94538 Phone: (510) 979-8999 Fax: (510) 979-8902 www.eiccorp.com
SS-000520-000 Revision
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