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Part: AP157-317
Category:
Description: AP157-317:3.3 V, 2.5 GHZ Wi-fitm Linear Power Amp
Company: Alpha Industries
Datasheet: Download AP157-317 datasheet File size : 174 kB
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Datasheet text preview:
Preliminary
3.3 V, 2.5 GHz Wi-FiTM Linear Power Amplifier
AP157-317 Features
IEEE 802.11b/g +27 dBm 18002500 MHz Operation 19 dB Small Signal Gain 27 dBm P1 dB @ 2.4 GHz Uses Single DC Bias Supply Low Cost Plastic Package Available on Tape & Reel
Description
The AP157-317 is a linear, medium power amplifier designed for low voltage operation. The device is manufactured on our advanced InGap HBT process. It is designed for use as the power amplifier in WLAN and other 2.42.5 GHz spread spectrum transmitters. The amplifier is packaged 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 1000 mA 6V -40°C to +85°C -65°C to +125°C
Electrical Specifications at 25°C
Parameter Frequency Range Small Signal Gain Max. Saturated Output Power Max. Linear Output Power 802.11 Modulation 11 Mbits Meeting 802.11b Spectral Mask F = 2.4 GHz F = 18002500 MHz Amplifier DC Voltage POut = PMax POut = 27 dBm POut = 25 dBm Quiescent P1 dB VSWR VCC ICC ICC ICC IQ 2.7 26 Condition IC = 350 mA IC = 350 mA Ga PMax Symbol Min. 1800 17 29 19 31 27 Typ. Max. 2500 22 Unit MHz dB dBm dBm
Output Power at 1 dB Compression Input and Output VSWR Operating Voltage Reverse Isolation Current Consumption
27 1.8 3.3 30 600 450 350 125 5.0
dBm V dB mA mA mA mA
Skyworks Solutions, Inc. [781] 376-3000 · Fax [781] 376-3100 · Email sales@skyworksinc.com · www.skyworksinc.com
Specifications subject to change without notice. 2/03A
1
3.3 V, 2.5 GHz Wi-FiTM Linear Power Amplifier
AP157-317
Typical Performance Data
VCC= +3.3 V, 802.11b Compliant Signal: 11 MBit/s, Filtering Gauss 0.3
0 -10 -20 0 -10 -20
Output (dB)
-30 -40 -50 POUT = 27 dBm -60 -70 POUT = 17 dBm -80 2.425 2.435 2.445 2.455 2.465 2.475 POUT = 25 dBm
Output (dB)
-30 -40 -50 -60 -70 POUT = 17 dBm -80 2.425 2.435 2.445 2.455 2.465 2.475 POUT = 27 dBm POUT = 25 dBm
Frequency (GHz)
Frequency (GHz)
Output Spectrum for 802.11b Signal at Iq = 120 mA
0 -10 -20 160 140
Output Spectrum for 802.11b Signal at Iq = 80 mA
75 120 100 130
Output (dB)
Iq1 (mA)
POUT = 27 dBm
-30 -40 -50 -60 -70 -80 2.425 POUT = 25 dBm POUT = 17 dBm 2.435 2.445 2.455 2.465 2.475
100 80 60 40 20 0 2.0 2.2
150 240
2.4
2.6
2.8
3.0
3.2
Frequency (GHz)
VReg (V)
Output Spectrum for 802.11b Signal at Iq = 50 mA
200 180 160 140 10 20 30 39 50 75 100 240
Quiescent Current of the 1st Stage vs. VReg and Rq1
Iq1 (mA)
120 100 80 60 40 20 0 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2
INF
3.3
VReg (V)
Quiescent Current of the 2nd Stage vs. VReg and Rq2
2
Skyworks Solutions, Inc. [781] 376-3000 · Fax [781] 376-3100 · Email sales@skyworksinc.com · www.skyworksinc.com
Specifications subject to change without notice. 2/03A
3.3 V, 2.5 GHz Wi-FiTM Linear Power Amplifier
AP157-317
2.45 GHz 802.11b Spectrums at the PA Output Measured With the Evaluation Test Board
20 10 0 -10 -20 PIN (dBm) 4 6 8 10 POUT (dBm) 24.3 26 27.4 28.6 ICC (mA) 335 400 470 546 -30 -40 -50 -60 -70 -80
Center 2.45 GHz Date: 19.APR.2002 15:21:22 5 MHz Span 50 MHz 1 VIEW 2 VIEW 3 VIEW 4 VIEW Ref Lvl 20 dBm 10 dB Offset RBW VBW SWT 300 kHz 3 kHz 140 ms RF Att Unit 20 dB dBm A
Test Signal -- 11 MBit/s Filtering -- Gaussian, 0.3 Frequency -- 2.45 GHz VCC = 3.3 V Iq = 150 mA
PIN = 10 dBm
1 AP 2 AP 3 AP 4 AP
PIN = 4 dBm
Pin Out
GND VCC1 VCC1 VCC1 NC
1 16 15 14 13
-317
0.157 (4.00 mm) BSC 0.148 (3.75 mm) BSC 0.148 2 (3.75 mm) BSC PIN INDICATOR 0.079 (2.00 mm) 0.058 (1.47 mm) 0.157 (4.00 mm) BSC 0.058 (1.47mm) 0.062 2 (0.16 mm) 0.079 (2.00 mm)
RF IN VB Q1 VREG
2 3 4
12 11 10
RF Out RF Out RF Out
1
16 1
5
6
7
8
9
VB Q2
0.031 0.024 (0.80 mm) (0.60 mm) 0.124 BSC REF. (0.32 mm) 0.025 (0.65 mm) + 0.004 (0.10 mm)
NC
NC
NC
GND
12° MAX.
0.039 (1.00 mm) MAX. 0.001 (0.025 mm) + 0.001 (0.025 mm)
SEATING PLANE
Skyworks Solutions, Inc. [781] 376-3000 · Fax [781] 376-3100 · Email sales@skyworksinc.com · www.skyworksinc.com
Specifications subject to change without notice. 2/03A
3
3.3 V, 2.5 GHz Wi-FiTM Linear Power Amplifier
AP157-317
Evaluation Board Schematic
C12 GND 4.7 µF C10 GND L1 22 nH C1 GND C3 2p Input C4 20 p R1 120 C5 47 n R2 39 GND 7p
1
VCC
47 n
C11 GND 10 n C2 GND 7p 2.5 x 4 mm Pad C = 1.6 pF
12 11 10
GND
2.3 x 1.4 mm Pad
16
G N D VCC1 Input
15 14 VCC1 VCC1 N C 1 3 Output
GND C7 1.5 pF T2 0.2 x 1.2 mm T3 0.35 x 6 mm C8 1 pF GND
L2 22 nH (0603)
GND 2 T1 0.35 x 0.6 mm 3
4
AP157-317 VB Q1 VREG Output Output
C9 20 pF
Output
Input
9 5 V Q2 B GND N/A N/A N/A 6 7 8
GND
Board: FR4, 10 mils thick.
Test Board
4
Skyworks Solutions, Inc. [781] 376-3000 · Fax [781] 376-3100 · Email sales@skyworksinc.com · www.skyworksinc.com
Specifications subject to change without notice. 2/03A
3.3 V, 2.5 GHz Wi-FiTM Linear Power Amplifier
AP157-317
Application Schematic for 802.11b/g Transmitter Having 30 dB Gain and Power Control Circuitry
VCC +5 V C1 4.7 µF GND
1 2 3 4
U1
STBY GND MAIN GND OUT AUX GND GND
8 7 6 5
GND GND GND GND
R1 MAX1810 1k GND 3.3 V R3 PUMZ1 Q2 R4 560 Q1 BLM11HA471 3V R3 2k
SHUT-OFF ACCEL ERATION CIRCUIT (OPTIONAL)
C2 4.7 µF GND
C5 47 n GND L7 22 nH C11 GND 7p
1
L5 BEAD C8 GND 47 n
L6 BEAD C3 4.7 µF GND C9
PA_PE_+2.7 V 12 k L2
GND
BLM11HA471 GND GND
Input
C10 20 p
U2 1 6 GND OUT 2 5 GND GND 3 4 IN GND
EN649-92
2 T1 GND GND 20 p 0.35 x 0.6 mm 3 GND 4 R5 120 5
Input VB Q1 VREG
Output
12
2.5 x 4 mm Pad C = 1.6 pF
Q3 C6 L1 10 n GND GND L3 C4 GND 560 p 22 nH C1 3 (0603) GND 1p C14
GND
2.3 x 1.4 mm Pad
16 15 14 13 G N D VC C 1 V C C 1 V C C 1 N C
47 n C12 L4 GND 22 nH 7p (0603) GND C15 1.8 pF T2 0.2 x 1.2 mm C17 T3 0.35 x 20 pF 6 mm C18 10 p Output R2 1k
11 U3 Output AP157-317 10 Output
R6 39
C7 560 p GND
9 VB Q2 GND N/A N/A N/A 6 7 8
C16 1.8 pF
GND
GND
SMS7630-076 D2 D1 C19 100 p GND
Det R7 56 k
Skyworks Solutions, Inc. [781] 376-3000 · Fax [781] 376-3100 · Email sales@skyworksinc.com · www.skyworksinc.com
Specifications subject to change without notice. 2/03A
5
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