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AP561
Product Features
* 2.3 - 2.9 GHz * +39 dBm P1dB * 13.8 dB Gain * 1.4% EVM @ 30 dBm Pout * +12 V Supply Voltage
2.3-2.9 GHz WiMAX 8W Power Amplifier
Product Description
The AP561 is a high dynamic range broadband power amplifier in a surface mount package. The single-stage amplifier has 13.8 dB gain, while being able to achieve high performance for 2.3-2.9 GHz WiMAX applications with up to 39 dBm of compressed 1dB power.
Functional Diagram
The AP561 uses a high reliability +12V InGaP/GaAs HBT process technology. The device incorporates proprietary * Lead-free/green/RoHS-compliant bias circuitry to compensate for variations in linearity and 5x6 mm power DFN package current draw over temperature. The device does not require any negative bias voltage; an internal active bias allows the AP561 to operate directly off a commonly used +12V Applications supply and has the added feature of a +5V power down control pin. RoHS-compliant 5x6mm DFN package is * WiMAX CPE/BTS surface mountable to allow for low manufacturing costs to * WiBro CPE/BTS the end user. The AP561 is targeted for use in a balanced or single ended configuration for WiMAX or WiBro applications where high linearity and high power is required.
Function RFIN RFOUT IREF VBIAS NC
Pin No. 4,5,6 9,10,11 14 1 2,3,7,8,12,13
Specifications
Parameter
Operational Bandwidth Test Frequency Output Channel Power Power Gain Input Return Loss Output Return Loss Error Vector Magnitude Operating Current, Icc Collector Efficiency RF Switching Speed Output P1dB Quiescent Current, Icq Vpd(4) Vcc
Typical Performance
Units Min
GHz GHz dBm dB dB dB % mA % ns dBm mA V V 2.3 2.6 +30 13.8 11 6.9 1.4 480 16.8 50 39 300 +5 +12
Typ
Max
2.9
Parameter
Test Frequency Channel Power Power Gain Input Return Loss Output Return Loss Error Vector Magnitude Operating Current, Icc Collector Efficiency Output P1dB Quiescent Current, Icq Vpd Vcc
Units
GHz dBm dB dB dB % mA % dBm mA V V 2.5 +30 14 11 6.2 2.2 510 15.8 40
Typical
2.6 +30 13.8 11 6.9 1.4 480 16.8 39 300 +5 +12 2.7 +30 13.5 14 5.7 2.1 490 16 38
Notes: 1. Test conditions unless otherwise noted: T = 25C, Vpd = +5V, Vcc = +12, Icq = 300mA at Pout = +30 dBm and f = 2.6 GHz. 2. Using an 802.16-2004 OFDMA, 64QAM-1/2,1024-FFT, 20 symbols, 30 subchannels signal, 9.5 dB PAR @ 0.01% 3. Switching speed: 50% TTL to 100/0% RF. 4. Vpd used for device power down. (low=RF off) 5. Capable of handling 10:1 VSWR @ 12 VDC, WiMax signal, PoutAVG = 30dBm.
Absolute Maximum Rating
Parameter
Pin max (CW into 50 load) Storage Temperature Max Junction Temperature, TJ,max Thermal Resistance, JC
Rating
+33 dBm -55 to +125 C 158 C 8.4 C / W
Ordering Information
Part No.
AP561-F AP561-PCB2500
Description
WiMAX 12V 8W HBT Amplifier 2.5-2.7 GHz Fully Assembled Evaluation Board
Operation of this device above any of these parameters may cause permanent damage.
Standard T/R size = 500 pieces on a 7" reel. Specifications and information are subject to change without notice
WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com , www.TriQuint.com
Page 1 of 8 May 2008
AP561
Vpd
2.3-2.9 GHz WiMAX 8W Power Amplifier
Application Circuit PC Board Layout
GND Vcc
Baseplate Configuration
Circuit Board Material: 0.0147" Rogers Ultralam 2000, single layer, 1 oz copper, r = 2.45, Microstrip line details: width = .042", spacing = .050"
Notes: 1. Please note that for reliable operation, the evaluation board will have to be mounted to a much larger heat sink during operation and in laboratory environments to dissipate the power consumed by the device. The use of a convection fan is also recommended in laboratory environments. 2. The area around the module underneath the PCB should not contain any soldermask in order to maintain good RF grounding. 3. For proper and safe operation in the laboratory, the power-on sequencing is recommended.
Evaluation Board Bias Procedure
Following bias procedure is recommended to ensure proper functionality of AP561 in a laboratory environment. The sequencing is not required in the final system application.
Bias. Vcc Vpd Voltage (V) +12 +5
Turn-on Sequence:
1. 2. 3. 4. 1. 2. 3. Attach input and output loads onto the evaluation board. Turn on power supply Vcc = +12V. Turn on power supply Vpd = +5V. Turn on RF power. Turn off RF power. Turn off power supply Vpd = +5V. Turn off power supply Vcc = +12V.
Turn-off Sequence:
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com , www.TriQuint.com Page 2 of 8 May 2008
AP561
Frequency (GHz) 2.5 Channel Power +30 Power Gain 14 Input Return Loss 11 Output Return Loss 6.2 EVM 2.2 Operating Current, Icc 510 Collector Efficiency 15.8 Output P1dB 40 Quiescent Current, Icq Vpd Vcc 2.6 +30 13.8 11 6.9 1.4 480 16.8 39 300 +5 +12
C12 C21 R3 D2 R2 D1 R1 C6 C7 C10 C8 C11 C13 C14 C15
2.3-2.9 GHz WiMAX 8W Power Amplifier
2.5-2.7 GHz Application Circuit (AP561-PCB2500)
Typical O-FDMA Performance at 25C
2.7 Units +30 dBm 13.5 dB 14 dB 5.7 dB 2.1 % 490 mA 16 % 38 dBm mA V V
C16 C17 C18 C28
C2,R4
C1
C20 C27 C25 C26
L3
Notes: The primary RF microstrip line is 50 . Components shown on the silkscreen but not on the schematic are not used. 1. The edge of C23 is placed right next to C24. 2. The edge of C24 is placed at 85mil from AP561 RFout pin. 3. The edge of C25 is placed at 56mil from AP561 RFin pin. 4. The edge of C26 is placed right next to C25. 5. The edge of C27 is placed 55mil from the edge of C26.
C24
802.16-2004 O-FDMA, 64QAM-1/2, 1024-FFT, 20 symbols and 30 subchannels. 9.5 dB PAR @ 0.01%, 5 MHz Carrier BW
Gain vs. Frequency
15 14
T=25C
-5
13 12 11 10 2.0 2.2 2.4 2.6 Frequency (GHz)
T=25C
-10 -15 -20
S11
2.8 3.0
S22 300
3.0
Collector Current (mA)
S11, S22 (dB)
C23
2.5-2.7 GHz Application Circuit Performance Plots
Return Loss
0
T=25C
Current vs Output Average Power vs. Frequency 600 550 500 450 400 350 2.5 GHz 20 22 2.6 GHz 2.7 GHz 30 32
T=25C
Gain (dB)
-25 2.0
2.2
2.4 2.6 Frequency (GHz)
T=25C
2.8
24 26 28 Output Power (dBm) Power Gain vs Temperature
Pout = 30 dBm
Efficiency vs Output Average Power vs. Frequency 20
Collector Efficiency (%)
EVM vs. Output Average Power vs. Frequency 5 4 3 2 1 Gain (dB)
14 15
15
10
EVM (%)
13
5 2.5 GHz 0 20 22 24 26 28 Output Power (dBm) 30 32 2.6 GHz 2.7 GHz
2.5 GHz 0 20 22
2.6 GHz
2.7 GHz 30 32
12 -50 -30 -10
2.5 GHz
10
2.6 GHz
30 50
2.7 GHz
70 90
24 26 28 Output Power (dBm)
Temperature (C )
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com , www.TriQuint.com Page 3 of 8 May 2008
AP561
600 550 Icc (mA) 500 450 400 350 300 20 22 24 26 28 Output Power (dBm) +25C
f=2.6 GHz
2.3-2.9 GHz WiMAX 8W Power Amplifier
Current vs Output Average Power vs Temperature
25
Efficiency vs Output Average Power vs Temperature
f=2.6 GHz
EVM vs. Output Average Power vs Temperature 5 4 EVM (%) 3 2 1
f=2.6 GHz
20
Efficiency -40C +85C
15
10
5
+25C
0
-40C
28
+85C 0
30 32
+25C 20 22 24 26 28 Output Power (dBm)
-40C 30
+85C 32
30
32
20
22
24
26
Output Power (dBm)
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com , www.TriQuint.com Page 4 of 8 May 2008
AP561
Frequency (GHz) 2.3 Channel Power +30 Power Gain 13 Input Return Loss 17 Output Return Loss 3.3 EVM 1.9 Operating Current, Icc 630 Collector Efficiency 13 Output P1dB 40 Quiescent Current, Icq Vpd Vcc 2.6 +30 12.7 14 4.0 2.5 640 12.7 39 300 +5 +12
C12 C21 R3 D2 R2 D1 R1 C6 C7 C10 C8 C11 C13 C14 C15
2.3-2.9 GHz WiMAX 8W Power Amplifier
2.3-2.9 GHz Application Circuit
Typical O-FDMA Performance at 25C
2.9 Units +30 dBm 13.2 dB 16 dB 5.9 dB 2.4 % 570 mA 14.3 % 39 dBm mA V V
C16 C17 C18 C29
C1
C26 C23 C24 L4
C20
L3
Notes: The primary RF microstrip line is 50 . Components shown on the silkscreen but not on the schematic are not used. 1. The edge of C26 is placed 10mil from C24. 2. The edge of L4 is placed right next to C26. 3. The edge of C23 is placed at 0mil from AP561 RFout pin. 4. The edge of C24 is placed right next to C23. 5. The center of C27 is placed at 50mil from AP561 RFin pin. 6. The edge of C28 is placed right next to C27.
802.16-2004 O-FDMA, 64QAM-1/2, 1024-FFT, 20 symbols and 30 subchannels. 9.5 dB PAR @ 0.01%, 5 MHz Carrier BW
C28
Gain vs. Frequency
15 14 13 12 11 10 2.0 2.2 2.4 2.6 Frequency (GHz) 2.8 3.0
T=25C
-5
-10 -15 -20
S11
-25 2.0 2.2 2.4 2.6 Frequency (GHz)
S22 300
2.8 3.0
Collector Current (mA)
S11, S22 (dB)
C27
2.3-2.9 GHz Application Circuit Performance Plots
Return Loss
0
T=25C
Current vs Output Average Power vs. Frequency 800 700 600 500 400 2.3 GHz 20 22 2.6 GHz 2.9 GHz 30 32
T=25C
Gain (dB)
24 26 28 Output Power (dBm)
Efficiency vs Output Average Power vs. Frequency 20
Collector Efficiency (%)
T=25C
EVM vs. Output Average Power vs. Frequency 5 4 EVM (%) 3 2 1
T=25C
15
10
5 2.3 GHz 0 20 22 24 26 28 Output Power (dBm) 30 32 2.6 GHz 2.9 GHz
2.3 GHz 0 20 22
2.6 GHz
2.9 GHz 30 32
24 26 28 Output Power (dBm)
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com , www.TriQuint.com Page 5 of 8 May 2008
AP561
2.3-2.9 GHz WiMAX 8W Power Amplifier
2.3 - 2.9 GHz Application Note: Changing Icq Biasing Configurations
The AP561 can be configured to operate with lower bias current by varying the bias-adjust resistor R2. (Table 1) The recommended circuit configurations shown previously in this datasheet have the device operating with a 300 mA as the quiescent current (ICQ). This biasing level represents a tradeoff in terms of EVM and efficiency. Lowering ICQ will improve upon the efficiency of the device, but degrade the EVM performance. Measured data shown in the plots below represents the AP561 measured and configured for 2.4 GHz applications. It is expected that variation of the bias current for other frequency applications will produce similar performance results.
Table 1 : Reduced Current Operation
EVM vs. Output Average Power vs. Icq 4
f=2.4 GHz
Efficiency vs. Output Average Power vs Icq
18 16
f=2.4 GHz,
Icq (mA) 300 280 260 240 220 200
R2 () 330 336 240 343 348 351
VPD (V) 5 5 5 5 5 5
IREF (V) 2.85 2.81 2.78 2.76 2.73 2.71
3 Efficiency (%)
EVM (%)
14 12 10 8
2
1
200mA 260mA
0 28 29 30 Pout (dBm)
220mA 280mA
31
240mA 300mA
32
200mA 260mA
28 29 30 Pout (dBm)
220mA 280mA
31
240mA 300mA
32
r
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com , www.TriQuint.com Page 6 of 8 May 2008
AP561
2.3-2.9 GHz WiMAX 8W Power Amplifier
Parameter Measurement Information Switching Speed Test
Test Conditions:
Pulse Generator -ve
+ve Cable Length = Lx
Oscilloscope
Vcc = +12V at 25oC Output Power = +30dBm @ 2.5 GHz Rep Rate = 1 KHz, 50% duty cycle Vpd amplitude = +5V R2=200 ohms, C9=12pF (C10, C11 removed for best switching performance) Xtal Detector Voltage =15mV (square law)
Cable Length = Lx
Cable Length = Lx
CW Signal Source
Diode Detector
Vpd
Attenuator AP56x Evaluation Brd
Test Result Waveforms:
Vpd = +5V Vpd = +0V
RF On
Vpd = +5V
Vpd = +5V
RF Off
Delay = 50nS
RF On
Delay = 50nS
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com , www.TriQuint.com Page 7 of 8 May 2008
AP561
2.3-2.9 GHz WiMAX 8W Power Amplifier
Mechanical Information
This package is lead-free/Green/RoHS-compliant. The plating material on the pins is annealed matte tin over copper. It is compatible with both lead-free (maximum 260 C reflow temperature) and leaded (maximum 245 C reflow temperature) soldering processes.
Outline Drawing
Product Marking
The component will be laser marked with a "AP561-F" product label with an alphanumeric lot code on the top surface of the package. Tape and reel specifications for this part will be located on the website in the "Application Notes" section.
Functional Pin Layout
Mounting Configuration / Land Pattern
Pin 1 2, 3, 7, 8, 12, 13 4, 5, 6 9, 10, 11 14 Backside paddle Function VBIAS N/C RF IN RF Output / Vcc IREF GND
MSL / ESD Rating
ESD Rating: Value: Test: Standard: ESD Rating: Value: Test: Standard:
Class 1A Passes 250V to <500V Human Body Model (HBM) JEDEC Standard JESD22-A114 Class IV Passes 1000V to <2000V Charged Device Model (CDM) JEDEC Standard JESD22-C101
MSL Rating: Level 3 at +260 C convection reflow Standard: JEDEC Standard J-STD-020
Specifications and information are subject to change without notice WJ Communications, Inc * Phone 1-800-WJ1-4401 * FAX: 408-577-6621 * e-mail: sales@wj.com * Web site: www.wj.com , www.TriQuint.com Page 8 of 8 May 2008

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