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DATA SHEET
AP172-317LF: Linear Power Amplifier
Features
High linearity @ 24 dBm High gain 33 dB 802.11b/g compliant 1800-2500 MHz operation Built-in level detector 27 dBm P 1 dB @ 2.4 GHz Uses single DC bias supply Low-cost plastic package Available on tape and reel Available lead (Pb)-free and RoHS-compliant
Simplified Block Diagram
VCC1 VCC2 VCC3
RF IN
RF OUT VCC DET VREF VDET
VREG
Active Bias
Active Detector
VBQ1
VBQ2
VBQ3
Description
The AP172-317LF is a linear, high-gain, medium-power amplifier designed for low voltage operation in a 2.4-2.5 GHz band having linear and high-efficiency performance with 802.11b/g signals and built-in level detection circuit. The device is manufactured on an advanced InGap HBT process and housed in a 16-pin 4 x 4 mm micro lead package.
Absolute Maximum Ratings
Characteristic RF input power Supply current Supply voltage Operating temperature Storage temperature Value 20 dBm 600 mA 5V -40 C to +85 C -65 C to +125 C
NEW
Skyworks offers lead (Pb)-free, RoHS (Restriction of Hazardous Substances)-compliant packaging.
Performance is guaranteed only under the conditions listed in the specifications table and is not guaranteed under the full range(s) described by the Absolute Maximum specifications. Exceeding any of the absolute maximum/minimum specifications may result in permanent damage to the device and will void the warranty.
CAUTION: Although this device is designed to be as robust as possible, ESD (Electrostatic Discharge) can damage this device. This device must be protected at all times from ESD. Static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. Industry-standard ESD precautions must be employed at all times.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200304 Rev. B * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * July 16, 2006
1
DATA SHEET * AP172-317LF
Electrical Specifications at 25 C (0, 3 V)
Z0 = 50 , unless otherwise noted
Parameter Frequency range Small signal gain Output power at 1 dB compression Linear output power(1) First side lobe(1) Second side lobe(1) Operating voltage Reverse isolation Current consumption POUT = 24.0 dBm POUT = 22.5 dBm POUT = 17 dBm Quiescent VCCDet VCCDet = 2.5 V VCCDet = 2.5 V POUT = 22.5 dBm ICCDet VDet sen - VREF F = 2.45 GHz F = 2.45 GHz F = 2.45 GHz, IC = 240 mA F = 2.45 GHz, IC = 220 mA, POUT = 23 dBm F = 2.45 GHz, IC = 220 mA, POUT = 23 dBm Amplifier DC voltage VD Isol. 2.5 Condition Symbol MHz S21 P1 dB POUT Min. 1800 31 26 23 33 27 24.5 -35 -54 3.3 30 240 220 140 70 2 2.5 2 0.43 4 4.5 Typ. Max. 2500 Unit dB dB dBm dBm dBc dBc V dB mA mA mA mA V mA V
IqO
Detector supply voltage Detector supply current Detector output voltage
VCC = 3.3 V, IC = 70 mA (unless otherwise specified) 1. Specifications are defined for the evaluation board with the 802.11b signal at 11 Mbit/s and having cosine (0.95) filtering.
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2
July 16, 2006 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200304 Rev. B
DATA SHEET * AP172-317LF
Typical Performance Data
Norm Log 10 dB/ 1.0 24 dBm 22.5 dBm 0.9 0.8
Detector Voltage (V)
17 dBm
0.7 0.6 0.5 0.4 0.3 0.2 0.1 0
VDet sen VREF
VDet sen - VREF -5 0 5 10 15 20 25
Start 2.400 0 GHz
Stop 2.500 0 GHz
Spectrum of Output Signals at Different Power Levels
Output Power (dBm)
Built-In Detector Responses at VCCDet = 2.5 V
20
250 200
I Quiescent (mA)
15 IREG (mA)
150
10
100 50 I Quiescent 0 2.5 3.0 3.5 4.0 IREG
5
0 VREG (V)
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200304 Rev. B * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * July 16, 2006
3
DATA SHEET * AP172-317LF
Pin Out
VCC1 VCC2 GND VCC2 N/C
16 15 14 13 1
Pin Description
Pin Number 2
RF Out RF Out RF Out
Pin Name J1, J2 GND
Description RF input - RF input, 50 (nominal). An external DC block is required Equipotential point - Internal circuit common, which must be connected to the pcb ground or common via the lowest possible impedance. Bias adjust - 2nd stage - Quiescent current of the second amplifier stage as measured at VCC2 can be increased by adding a resistor between this pin and VREG. This pin may be left open if the nominal value of collector current for the second stage is acceptable. This pin should not be connected to ground. Regulated voltage input - The voltage applied to this pin supplies the active bias stages for the power amplifier stages. The nominal applied voltage is equal to VCC. The power amplifier stages are disabled if this pin is open. Bias adjust - output stage - Quiescent current of the output amplifier stage as measured at VCC2 can be increased by adding a resistor between this pin and VREG. This pin may be left open if the nominal value of collector current for the output stage is acceptable. This pin should not be connected to ground. Active detector supply voltage - The voltage applied to this pin powers the active detector circuit. The nominal applied value is equal to VCC. The active detector circuit is disabled if this pin is connected to ground. Active detector reference voltage output - The DC voltage produced at this pin can be used to track the temperature drift of the voltage from VDET. This voltage can be used to temperature compensate the voltage from VDET. Active detector output voltage - Detected output voltage which varies proportionally to the output power from the RF Out pins. RF output - RF outputs, internally connected to share signal currents. An internally-generated DC voltage is present at this pin, so a DC blocking capacitor should be included in the output circuit. No internal connection Collector supply voltage 2 - The voltage applied to these pins supplies the collector of the 2nd amplifier stage. These pins are internally connected to share current. Collector supply voltage 1 - The voltage applied to this pin supplies the collector of the input amplifier stage.
RF In VB Q1 VREG
2 3 4
12 11 10
1, 9
3
5 6 7 8
VB Q1
VREF
VCCDet
VB Q2
VDET
-317
0.157 (4.00 mm) BSC 0.148 (3.75 mm) BSC 0.148 (3.75 mm) BSC
2
GND
9
4
0.079 (2.00 mm) 0.058 (1.47 mm) 0.157 (4.00 mm) BSC 0.058 (1.47mm)
16 1 2
VREG
1
0.062 (0.16 mm) 0.079 (2.00 mm)
5
VB Q2
Pin Indicator
0.024 (0.60 mm) Ref. 0.025 (0.65 mm) + 0.004 (0.10 mm)
0.124 (0.32 mm)
0.031 (0.80 mm) BSC
6
0.039 (1.00 mm) Max.
VCC DET
12 Max.
Seating Plane
0.001 (0.025 mm) + 0.001 (0.025 mm)
7
VREF
Recommended Solder Reflow Profiles
Refer to the "Recommended Solder Reflow Profile" Application Note.
8 VDET
Tape and Reel Information
Refer to the "Discrete Devices and IC Switch/Attenuators Tape and Reel Package Orientation" Application Note.
10, 11, 12
RF Out
13 14, 15
NC VCC2
16
VCC1
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 4
July 16, 2006 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200304 Rev. B
DATA SHEET * AP172-317LF
Evaluation Board Schematic
VCC Iq = 70 mA C5 4.7 F R2 560 Q2 PUMZ1 Q1 PUMZ1 Q2 GND GND R1 43 C1 GND 0.1 nF Q1 3V L2 22 nH C6 GND 6 pF GND
16 15 14 13 1
GND
L1 Ferrite Bead C2 GND 0.1 nF
R3 PA_PE_+2.7V 12 k
L3 22 nH C3 560 pF C7 GND
7 pF C8 GND 5 pF
12 11 10 VCC1 VCC2 VCC2 NC
GND
Input
C4
2
Input VB Q2 VREG Det_sen Det_ref VCCDet VB Q3
Output
L4 22 nH (0603) L5 1.2 nH (TOKO) C9 1.2 pF GND Output
20 p
3 4
U1 AP172
Output Output
C13 1.5 pF
GND
5
6
7
8
R4 300
GND C10 0.1 F Det VCC Det Ref Det Out GND
C12 10 nF GND
Evaluation Board Layout (Top View)
PA_PE GND GND +VCC GND
Evaluation Board Layout (Bottom View)
PIN 50
POUT 50
VCCDet
VDET REF
+VDET
GND
Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com
200304 Rev. B * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * July 16, 2006
GND
9
GND
C11 0.1 F
GND
5
DATA SHEET * AP172-317LF
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Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 6
July 16, 2006 * Skyworks Proprietary Information * Products and Product Information are Subject to Change Without Notice. * 200304 Rev. B

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