Preliminary 3.3 V, 2.5 GHz Wi-FiTM Linear Power Amplifier AP157-317 Features ■ IEEE 802.11b/g +27 dBm ■ 1800–2500 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 2.4–2.5 GHz spread spectrum transmitters. The amplifier is packaged in a 16 pin 4 x 4 mm micro lead package. Absolute Maximum Ratings Characteristic Value RF Input Power 20 dBm Supply Current 1000 mA Supply Voltage 6V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +125°C Electrical Specifications at 25°C Parameter Condition Frequency Range IC = 350 mA Small Signal Gain IC = 350 mA Max. Saturated Output Power Max. Linear Output Power Symbol 1800 Max. Unit 2500 MHz 17 19 PMax 29 31 dBm 27 dBm 27 dBm 802.11 Modulation 11 Mbits Meeting 802.11b Spectral Mask F = 2.4 GHz P1 dB Input and Output VSWR F = 1800–2500 MHz VSWR Operating Voltage Amplifier DC Voltage VCC Reverse Isolation POut = PMax POut = 27 dBm POut = 25 dBm Quiescent Typ. Ga Output Power at 1 dB Compression Current Consumption Min. ICC ICC ICC IQ 26 22 1.8 2.7 3.3 5.0 V 30 dB 600 450 350 125 mA mA mA mA Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email [email protected] • www.skyworksinc.com Specifications subject to change without notice. 2/03A dB 1 3.3 V, 2.5 GHz Wi-FiTM Linear Power Amplifier AP157-317 Typical Performance Data 0 0 -10 -10 -20 -20 Output (dB) Output (dB) VCC= +3.3 V, 802.11b Compliant Signal: 11 MBit/s, Filtering Gauss 0.3 -30 -40 -50 POUT = 27 dBm -60 -30 -40 -50 POUT = 27 dBm -60 POUT = 25 dBm -70 POUT = 25 dBm -70 POUT = 17 dBm POUT = 17 dBm 2.435 2.445 2.455 2.465 -80 2.425 2.475 2.435 2.445 2.455 2.465 2.475 Frequency (GHz) Frequency (GHz) Output Spectrum for 802.11b Signal at Iq = 120 mA Output Spectrum for 802.11b Signal at Iq = 80 mA 0 160 -10 140 -20 120 -30 100 75 Iq1 (mA) Output (dB) -80 2.425 -40 -50 100 130 80 60 POUT = 27 dBm -60 -70 0 2.435 2.445 240 20 POUT = 17 dBm -80 2.425 150 40 POUT = 25 dBm 2.455 2.465 2.475 2.0 2.2 2.4 2.6 2.8 3.0 3.2 Frequency (GHz) VReg (V) Output Spectrum for 802.11b Signal at Iq = 50 mA Quiescent Current of the 1st Stage vs. VReg and Rq1 200 10 180 20 30 39 50 75 160 Iq1 (mA) 140 100 120 100 240 80 60 INF 40 20 0 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 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 [email protected] • 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 Test Signal — 11 MBit/s Filtering — Gaussian, 0.3 Frequency — 2.45 GHz VCC = 3.3 V Iq = 150 mA RBW VBW SWT Ref Lvl 20 dBm 300 kHz 3 kHz 140 ms RF Att Unit 20 dB dBm A 10 dB Offset 10 0 -10 1 VIEW 2 VIEW 3 VIEW 4 VIEW 1 AP 2 AP 3 AP 4 AP -20 PIN (dBm) 4 6 8 10 POUT (dBm) 24.3 26 27.4 28.6 ICC (mA) 335 400 470 546 -30 PIN = 10 dBm -40 -50 PIN = 4 dBm -60 -70 -80 Center 2.45 GHz 5 MHz Span 50 MHz Date: 19.APR.2002 15:21:22 -317 GND VCC1 VCC1 VCC1 NC Pin Out 1 16 15 14 13 0.157 (4.00 mm) BSC 3 11 RF Out VREG 4 10 RF Out 5 6 7 8 9 GND VB Q1 NC RF Out NC 12 NC 2 VB Q2 RF IN 0.148 (3.75 mm) BSC 1 0.148 2 (3.75 mm) BSC PIN INDICATOR 0.079 (2.00 mm) 0.058 (1.47mm) 0.062 2 (0.16 mm) 0.058 (1.47 mm) 16 1 0.157 (4.00 mm) BSC 0.079 (2.00 mm) 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) 0.039 (1.00 mm) MAX. 12˚ MAX. SEATING PLANE 0.001 (0.025 mm) + 0.001 (0.025 mm) Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email [email protected] • 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 VCC C10 GND L1 22 nH C11 47 n GND 10 n GND 7p C3 2p Input C4 Input 16 1 GND 2 T1 0.35 x 0.6 mm 3 20 p 4 R1 120 GND VCC1 C2 GND 7p 15 14 VCC1 VCC1 NC 13 Input Output AP157-317 VB Q1 VREG Output Output 12 11 10 9 5 V Q2 B GND N/A N/A N/A 6 7 8 C5 47 n R2 2.3 x 1.4 mm Pad GND L2 22 nH (0603) GND 2.5 x 4 mm Pad C = 1.6 pF C1 GND C7 1.5 pF T2 0.2 x 1.2 mm T3 0.35 x 6 mm C9 Output 20 pF C8 1 pF GND GND 39 Board: FR4, 10 mils thick. Test Board 4 Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email [email protected] • 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 1 2 C1 4.7 µF 3 4 GND U1 STBY GND MAIN GND OUT GND AUX GND 8 GND GND GND GND 7 6 5 R1 MAX1810 1k GND 3.3 V R3 560 R4 GND PA_PE_+2.7 V 12 k L2 BLM11HA471 Input C10 20 p GND GND BLM11HA471 Q1 SHUT-OFF ACCEL ERATION CIRCUIT (OPTIONAL) PUMZ1 Q2 C5 47 n R3 2k 3V Q3 C6 L1 10 n GND GND L3 C4 GND 560 p 22 nH C13 (0603) GND 1p C14 U2 1 6 GND OUT 2 5 GND GND 3 4 IN GND EN649-92 L6 BEAD C8 L7 22 nH C11 GND 7p 1 C7 560 p GND 47 n 2.3 x 1.4 mm Pad GND C9 VB Q1 VREG GND 47 n C12 L4 GND 22 nH 7p (0603) GND 16 15 14 13 GND VCC1 VCC1 VCC1 NC Input BEAD C3 4.7 µF GND GND 2 T1 GND GND 20 p 0.35 x 0.6 mm 3 GND 4 R5 120 5 R6 L5 Output 12 11 U3 Output AP157-317 10 Output 9 VB Q2 GND N/A N/A N/A 6 7 8 2.5 x 4 mm Pad C = 1.6 pF C2 4.7 µF GND C15 1.8 pF T2 0.2 x 1.2 mm GND C16 1.8 pF GND C17 T3 0.35 x 20 pF 6 mm C18 10 p Output R2 1k SMS7630-076 D2 39 D1 C19 100 p Det R7 56 k GND Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email [email protected] • www.skyworksinc.com Specifications subject to change without notice. 2/03A 5