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Part: AM55-0004TR
Category:
Analog & Mixed-Signal Processing
Description: 250 MW Linear Power Amplifier And T/r Switch 1.8 - 2.0 GHZ
Company: M/A-COM, Inc.
Datasheet: Download AM55-0004TR datasheet File size : 342 kB
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Datasheet text preview:
Preliminary Specifications
250 mW Linear Power Amplifier and T/R Switch 1.8 - 2.0 GHz AM55-0004
Features
q q q q q q
SSOP-28
+.0025 .0275 -.0025 0,7 +0,06 -0,06 +.0034 .1540 -.0043 .236 ±.008 +0,09 5,99 ± 0 , 2 3,91 -0,11 +.0037 .3900 -.0041 +0,09 9,91 -0,1
Operates Over Full PCN/PCS/PHS Bands Operates Over +3 V to +5 V Supply Voltage +24 dBm P1dB Typical at PA Out 35% PAE @ P1dB for Linear Operation On-Chip T/R Switch, Linear Operation to +30 dBm Low Cost SSOP-28 Plastic Package
PIN 1
Description
M/A-COM's AM55-0004 power amplifier/switch integrates a power amplifier and transmit/receive switch in a low cost SSOP package. The power amplifier delivers +24 dBm of linear power with high efficiency and can be operated at supply voltages as low as 2.7 V. It is ideally suited for QPSK or other linearly modulated systems in the 1.8 to 2.0 GHz frequency band. The power amplifier/switch is fully monolithic and requires only one output capacitor for power match. The T/R switch achieves good insertion loss and isolation without degrading the overall linearity. T h e AM55-0004 is ideally suited for final stage power amplification in linear TDD systems. The integrated switch is convenient for duplexing. The AM55-0004 can also be used as a driver stage for high power systems. Typical applications include Japanese PHS systems or PCN/PCS transmit chains. M / A - C O M ' s AM55-0004 is fabricated using a mature 0.5-micron gate length GaAs process. The process features full passivation for increased performance and reliability.
.057 ±.003 1,45 ±0,08
.015 (0,38) X 45°
+.0018 .0080 -.0005 0,2 +0,05 -0,01
.007 ±.003 0,18 ±0,08
.025 0,64
+.004 .010 -.001 0,25 +0,1 -0,03 .004 (0,10)
0-8° +.022 .028 -.013 +0,56 0,71 -0,33
Dimensions are inches over millimeters.
Ordering Information
Part Number AM55-0004 AM55-0004TR AM55-0004RTR AM55-0004SMB Description SSOP 28-Lead Plastic Package Forward Tape & Reel* Reverse Tape & Reel* Designer's Kit
f specific reel size is * Inumber assignment. required, consult factory for part
Typical Electrical Specifications
Test conditions: Frequency: 1.9 GHz, VDD1 = VDD2 = 4.8 V ±10%, VG1 adjusted for 30 mA quiescent bias on VDD1, VG2 adjusted for 65 mA quiescent bias on VDD2, TA = +25°C
Parameter Power Amplifier Linear Gain Power Output @ P1dB at PA OUT port Current From Positive Supply @ P1dB Input VSWR T/R Switch Insertion Loss Input Match Isolation
Specifications Subject to Change Without Notice
Units dB dBm mA
Min. 22 22.5 75
Typ. 24 24 175 2.0:1 0.6 1.5:1 20
Max.
275
dB dB 15
1.0
V2.00 s
M/A-COM Inc.
s
1011 Pawtucket Boulevard, Lowell, MA 01853 USA
Telephone: 800-366-2266
1
250 mW Linear Power Amplifier and T/R Switch Absolute Maximum Ratings1
Parameter Max. Input Power2 Operating Voltages2 Absolute Maximum +23 dBm VDD = 7 V VGG = -5 V VDD - VGG = 8 V -40°C to +85°C -65°C to +150°C
AM55-0004 Truth Table
Operating Mode PA Tx PA Sleep T/R Switch Tx T/R Switch Rx
X - Don't Care
VSW X X 0 Volts -4.0 Volts
VSW X X -4.0 Volts 0 Volts
SAVE Tx 0V -4.0 Volts X X
Operating Temperature Storage Temperature
1. Exceeding these limits may cause permanent damage. 2. Ambient temperature (TA) = +25°C
Pin Configuration
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 Pin Name GND VSW GND Tx IN GND GND ANT IN/OUT GND Rx OUT GND GND VDD1 SAVE Tx Description DC and RF Ground Complimentary T/R Switch Control, -4 V Tx mode/0 V Rx mode DC and RF Ground Transmit side of T/R switch DC and RF Ground DC and RF Ground Common port of T/R switch which is connected to the antenna DC and RF Ground Receive side of T/R switch DC and RF Ground DC and RF Ground Positive bias for the first stage of PA, +2.7 to +6.0 volts Sleep mode control of first stage of PA ONLY 0 V -- first PA stage on -4 V -- first PA stage off DC and RF Ground DC and RF Ground RF input of the Power Amplifier DC and RF Ground Negative bias control for the first PA stage, voltage divider is on the MMIC, adjusted to set VDD1 quiescent bias current, which is typically 30 mA. Input impedance: 10 k DC and RF Ground Negative bias control for the second PA stage, adjusted to set VDD2 quiescent bias current, which is typically 65 mA. Input impedance: > 1M Second Stage DC and RF Ground Second Stage DC and RF Ground Second Stage DC and RF Ground Second Stage DC and RF Ground RF output of the Power Amplifier Positive bias for the second stage of the PA, +2.7 to +6.0 volts T/R Switch Control, 0 V Tx mode/-4 V Rx mode DC and RF Ground
Functional Diagram and Pin Configuration
1
GND VSW GND Tx IN GND GND ANT IN/OUT GND Rx OUT GND GND VDD1 SAVE Tx GND
28
GND VSW VDD1 2 PA OUT GND GND GND GND VG1 G2 GND VG1 G2 GND PA IN GND
14
15
14 15 16 17 18
GND GND PA IN GND VG1
19 20
GND VG2
21 22 23 24 25 26 27 28
GND GND GND GND PA OUT VDD2 VSW GND
Specifications Subject to Change Without Notice
V 2.00 s
M/A-COM Inc.
s
1011 Pawtucket Boulevard, Lowell, MA 01853 USA
Telephone: 800-366-2266
2
250 mW Linear Power Amplifier and T/R Switch
AM55-0004
Power Amplifier Small Signal Performance1
Power Amplifier CW Performance at 1.9 GHz1
GAIN 27 6.0 V 4.8 V 21 3.6 V 18 3.0 V 15 1.50 1.75 2.00 FREQUENCY (GHz) 2.25 2.50 POWER (dBm) 24 GAIN (dB) 28
POWER OUTPUT 6.0 V 26 24 22 20 3.0 V 18 -5 -3 -1 PIN (dBm) 1 3 3.6 V 4.8 V
INPUT MATCH 0 RETURN LOSS (dB) -5 -10 -15 -20 -25 1.50 1.75 3.0 V 3.6 V 6.0 V 4.8 V PAE (%) 45
POWER ADDED EFFICIENCY (%) 3.0 V 35 25 6.0 V 15 5 2.00 FREQUENCY (GHz) 2.25 2.50 -5 -3 -1 PIN (dBm) 1 3 4.8 V 3.6 V
OUTPUT MATCH 0 RETURN LOSS (dB) -5 4.8 V -10 3.0 V -15 3.6 V -20 -25 1.50 1.75 2.00 FREQUENCY (GHz) 2.25 2.50 COMPRESSION (dB) 6.0 V 0 -1 -2 -3 -4 -5
GAIN COMPRESSION
6.0 V 4.8 V 3.0 V 3.6 V -5 -3 -1 PIN (dBm) 1 3
1. All data measured at TA = +25°C and VG1, VG2 adjusted for first stage quiescent current of 30 mA and second stage current of 65 mA, respectively.
Specifications Subject to Change Without Notice
V 2.00 s
M/A-COM Inc.
s
1011 Pawtucket Boulevard, Lowell, MA 01853 USA
Telephone: 800-366-2266
3
250 mW Linear Power Amplifier and T/R Switch
AM55-0004
Power Amplifier Temperature Performance1
Power Amplifier Spurious Response at Various Supply Voltages1
LINEAR GAIN, VDD1 = VDD2 = 4.8 V 27 -15°C 24 GAIN (dB) +25°C 21 +70°C 18 15 1.50 1.75 2.00 2.25 2.50 FREQUENCY (GHz) IMR (dBc) 25 30
THIRD ORDER INTERMODULATION RATIO @ 1.9 GHz (TONE SPACING 600 KHz) 6.0 V
4.8 V 20 15 10 3.0 V 3.6 V 15 17 19 21 23 FUNDAMENTAL POUT/TONE (dBm) 25
POWER OUTPUT @ 1.9 GHz, VDD1 = VDD2 = 4.8 V 28 +25°C POWER (dBm) 26 -15°C dBc 24 22 20 18 -5 -3 -1 PIN (dBm) +70°C 1 3 50 60
2ND HARMONIC RATIO @ 1.9 GHz 4.8 V 4.0 V 40 3.0 V 30 20
10
13
16
19
22
25
FUNDAMENTAL POUT (dBm)
40 35 PAE (%) 30 25 20 15 10
POWER ADDED EFFICIENCY (%) @ 1.9 GHz, VDD1 = VDD2 = 4.8 V 80 -15°C 75 dBc +25°C 70 65 60
3RD HARMONIC RATIO @ 1.9 GHz 4.8 V 4.0 V
+70°C
3.0 V 55 50
-5
-3
-1 PIN (dBm)
1
3
10
13
16
19
22
25
FUNDAMENTAL POUT (dBm)
1. All data measured at TA = +25°C and VG1, VG2 adjusted for first stage quiescent current of 30 mA and second stage current of 65 mA, respectively.
Specifications Subject to Change Without Notice
V 2.00 s
M/A-COM Inc.
s
1011 Pawtucket Boulevard, Lowell, MA 01853 USA
Telephone: 800-366-2266
4
250 mW Linear Power Amplifier and T/R Switch
AM55-0004
Power Amplifier Spectral Response Under Modulation Drive
(/4 DQPSK, = 0.5, 384 kB/sec, 9-bit PN code)
SPECTRAL RESPONSE UNDER MODULATION1 (VD = 3.0 V, POUT = 20.5 dBm)
Transmit/Receive Switch Performance
INSERTION LOSS 0.0 -15°C +25°C -0.5 LOSS (dB) -1.0 +70°C -1.5 -2.0
0 POWER SPECTRAL DENSITY (dBc) -20 -40 -60 -80
1899.0
1899.4
1899.8
1900.2
1900.6
1901.0
1.50
1.75
FREQUENCY (MHz) SPECTRAL RESPONSE UNDER MODULATION1 (VD = 4.8 V, POUT = 23.4 dBm) 0 POWER SPECTRAL DENSITY (dBc) ISOLATION (dB) -10 -20 -30 -40 -50 -60 -70 -40
1899.0 1899.4 1899.8 1900.2 1900.6 1901.0
2.00 2.25 FREQUENCY (GHz)
2.50
ISOLATION (@ -15°C, +25°C and +70°C) -20 -25 -30 -35
1.50
1.75
FREQUENCY (MHz)
2.00 2.25 FREQUENCY (GHz)
2.50
RETURN LOSS (@ -15°C, +25°C and +70°C) RETURN LOSS (dB)
0 -5 -10 -15 -20 -25 -30 -35 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5
Output Power Under Modulation2
VD (volts) 3 3.6 4 4.8 6 POUT (dBm) 20.5 21.4 22.2 23.4 23.7
In Out
FREQUENCY (GHz) LINEARITY (Tx MODE) 31 29 27 25 23 25 26 27 28 29 30 31 32 POWER IN (dBm) 33 1.5 0.5 -0.5 -1.5 -2.5 34 COMPRESSION (dB) POWER OUT (dBm) 33 2.5
1. Spectral output is tested under the following conditions: Modulation scheme is /4 DQPSK with a bit transfer rate of 384 kB/sec and a root Nyquist filter with = 0.5 per RCR STD-28. The spectrum analyzer settings are as follows: Resolution bandwidth: 10 kHz Video bandwidth: 100 kHz Sweep time: 5 seconds 2. This chart documents the modulated output power delivered for a fixed adjacent channel interference (ACI) rejection of 55 dBc at a 600-kHz offset.
Specifications Subject to Change Without Notice
V 2.00 s
M/A-COM Inc.
s
1011 Pawtucket Boulevard, Lowell, MA 01853 USA
Telephone: 800-366-2266
5
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