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Power Amplifier with T/R Switch for 802.11b Preliminary Release
V 1.3
AM52-0023
Features
* * * * * * WLAN and Bluetooth Applications Meets 802.11b Spectral Mask Requirements at +20 dBm PA Output Power Integrated SPDT Switch Integrated Detector Downset Leadframe for Excellent Heat Dissipation High Power, Low Power, Shutdown Modes
Functional Schematic
VDET VSUP PAOUT/ VSUP TX NC SWRX ANT SWTX VCTRL1 VCTRL2 NC VSUP RX VCTRL VSUP
20 VSUP VSUP NC RFIN NC 1
Description
The AM52-0023 is a two stage power amplifier designed for 802.11b and other 2.4 GHz applications. This product includes a detector and a T/R switch. Transmit specifications are given at the antenna port and include the switch insertion loss. The small size and height of the AM52-0023 make it ideal for PC card applications. The AM52-0023 has three operating modes; High Power, Low Power, and Shutdown. The High Power Mode has both the first and second PA stages biased on and is achieved by setting both Vctrl1 and Vctrl2 to +3 volts. The Low Power Mode has the first PA stage on and the second PA stage off and is achieved by setting Vctrl1 to +3 volts and Vctrl2 to 0 volts. The Shutdown Mode is achieved by setting both Vctrl1 and Vctrl2 to 0 volts.
Pin Configuration
Pin No. 3, 5, 9, 14 Function NC RFIN VSUPPLY VCTRL1 VCTRL2 RX SWT X ANT SW RX TX PAOUT /VSUP VDET VCTL GND Description No Connection RF Input to Amplifier DC Supply Power Control, Stage 1 Power Control, Stage 2 Receive Port on Switch Switch Control Switch Antenna Port Switch Control Switch Transmit Port PA Output, DC Supply Detected Output Power Detector Control RF/DC Ground
Handling Procedures
Please observe the following precautions to avoid damage to the AM52-0023:
4 1, 2, 7, 18, 20 6 8 10 11 12 13
Static Sensitivity
Gallium arsenide integrated circuits are ESD sensitive and can be damaged by static electricity. Use proper ESD precautions when handling these devices.
Ordering Information
Part Number AM52-0023TR Description 7 inch, 1000 piece reel
15 16 17 19 Base
AM52-0023TR-3000 13 inch, 3000 piece reel AM52-0023SMB AM52-0023 Sample Test Board
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information.
1
Part Description with T/R Switch for 802.11b Power Amplifier Absolute Maximum Ratings 1
Parameter Max Input Power (2.4 -2.5 GHz) Operating Voltages Operating Temperature Channel Temperature Storage Temperature Maximum + 10 dBm +5.5 volts -40 C to +85 C +150 C -40 C to +150 C
AM52-0023
V 1.3
1. Exceeding any one or combination of these limits may cause permanent damage.
Electrical Specifications
Parameter
Frequency Control voltage range Input Return Loss at RFin Output Power at ANT 1 dB Compresson at ANT Saturated Power at ANT Power Gain at ANT Current, Operating
1,2
: T C=+38C
Test Conditions Units
GHz V
Min.
2.4 0.0 14 14
Typ.
Max.
2.5 3.0
Pin=0 dBm, VCTRL1=3.0V, VCTRL2=3.0V Pin=0 dBm, VCTRL1=3.0V, VCTRL2=0.0V Pin=0 dBm, VCTRL1=3.0V, VCTRL2=3.0V Pin=0 dBm, VCTRL1=3.0V, VCTRL2=0.0V VCTRL1=3.0V, VCTRL2=3.0V VCTRL1=3.0V, VCTRL2=3.0V Pin=0 dBm, VCTRL1=3.0V, VCTRL2=3.0V Pin=0 dBm, VCTRL1=3.0V, VCTRL2=0.0V Pin=0 dBm, VCTRL1=3.0V, VCTRL2=3.0V (High Power Mode) Pin=0 dBm, VCTRL1=3.0V, VCTRL2=0.0V (Low Power Mode) Pin=0 dBm, VCTRL1=0.0V, VCTRL2=0.0V (Shutdown Mode) Pin=0 dBm, VCTRL1=3.0V, VCTRL2=3.0V Pin=0 dBm, VCTRL1=3.0V, VCTRL2=0.0V VCTRL1=3.0V, VCTRL2=0.0V, VTX=0.0V, VRX=3.0V VTX=3.0V, VRX=0.0V VTX=0.0V, VRX=3.0V PIN=0 dBm, POUT=23 dBm, VCTRL1=3.0V, VCTRL2=3.0V Pin=0 dBm, VCTRL1=3.0V, VCTRL2=3.0V At ANT, Compliance with 802.11b DSSS +3.0VdB dB dBm dBm dBm dBm dB dB mA mA uA mA mA dB dB dB dBc V % dBm
24 20 20 0 23 24
18 -2
20 0 250 22 10 5 0.2 45 300 30
Control current Isolation, Forward (RFIN to ANT) Isolation, ANT to RX Insertion loss, ANT to RX Harmonics, all Detector Output Duty cycle Output Power for Linear Operation Stability Ruggedness
18
20 0.7 -40 0.9
1.4
1.6 100 20 All spurs <-70dBc
No permanent damage
1. 2.
Test frequency is 2450 MHz unless otherwise specified. Supply voltage is +3.0 volts unless otherwise specificied.
Switch Logic Table 1,2,3
Insertion Loss Path RX/ANT TX/ANT 1. 2. 3. "0" = 0 +/- 0.2 volts "1" = +2.7 to +5 volts DC Blocking capacitors required on all T/R switch RF ports (pins 10, 12, and 15) Isolated Path TX/ANT RX/ANT SWRX 1 0 SWTX 0 1
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
2
Part Description with T/R Switch for 802.11b Power Amplifier Typical Performance Curves
Output Power, High Power Mode
Output Power (dBm) 25 20 15 10 5 -10 -5 0 5 Input Power (dBm) +85C +38C -40C 2.5 2 1.5 1 0.5 -10 -5 0 5 Input Power (dBm)
AM52-0023
V 1.3
Detector Output, High Power Mode
Detector Output (V)
+85C +38C -40C
Detector Output, High Power Mode
2.0 1.5 1.0 0.5 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Control Voltages 1 and 2 (V) 2.0 1.5 1.0 0.5 0.0
Detector Output, Low Power Mode
Detector Output (V)
Detector Output (V)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Control Voltage 2 (V)
Supply Current, High Power Mode
Supply Current (mA) Supply Current (mA) 350 300 250 200 150 -10 -5 0 5 Input Power (dBm) +85C +38C -40C 30 25 20 15 10
Supply Current, Low Power Mode
+85C +38C -40C
2300
2400
2500
2600
Frequency (MHz)
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
3
Part Description with T/R Switch for 802.11b Power Amplifier
AM52-0023
V 1.3
Gain, High Power Mode
22 21 Gain (dB) 20 19 18 17 16 2300 2400 2500 2600 Frequency (MHz) Gain (dB) 2 1 0 -1 -2 2300
Gain, Low Power Mode
2400
2500
2600
Frequency (MHz)
Input Return Loss, High Power Mode
0 Return Loss (dB) -5 -10 -15 -20 -25 -30 2300 2400 2500 2600 Frequency (MHz) Return Loss (dB)
Input Return Loss, Low Power Mode
0 -5 -10 -15 -20 -25 -30 2300 2400 2500 2600 Frequency (MHz)
Switch Insertion Loss
0 -0.5 -1 -1.5 -2 2300 2400 2500 2600 Frequency (MHz) Isolation (dB) +85C +38C -40C -5 -10 -15 -20 -25 2300
Switch Isolation
Insertion Loss (dB)
+85C +38C -40C
2400
2500
2600
Frequency (MHz)
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
4
Part Description with T/R Switch for 802.11b Power Amplifier
AM52-0023
V 1.3
Transmit Spectrum Mask, High Power Mode Pin = 0 dBm
Transmit Spectrum Mask, Low Power Mode Pin = 0 dBm
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
5
Part Description with T/R Switch for 802.11b Power Amplifier Application Schematic
Vsup ALL TLINE IMPEDANCES IN ACCORDANCE WITH 5 MIL-THICK FR-4 Vsup
0.01uF
AM52-0023
V 1.3
PIN: 1. PA STAGE 1 OUTPUT BIAS (+3V) 2. PA STAGE 1 OUTPUT BIAS (+3V) 3. NO CONNECTION 4. RFIN TO PA 5. NO CONNECTION 6. PA STAGE 1 CONTROL (+3V/0V) 7. PA STAGE 1 CONTROL SUPPLY (+3V) 8. PA STAGE 2 CONTROL (+3V/0V) ) 9. NO CONNECTION 10. RF OUT FROM ANT 11. T/R SWITCH CONTROL (+3V/0V) 12. ANT 13. T/R SWITCH CONTROL (+3V/0V) 14. NO CONNECTION 15. TX IN FROM PA 16. PA OUT, STAGE 2 OUTPUT BIAS (+3V) 17. DETECTOR OUTPUT 18. DETECTOR SUPPLY (+3V) 19. DETECTOR ON/OFF (+3V/0V) 20. PA STAGE 1 OUTPUT BIAS (+3V)
10pF
Vdet_out
100pF 22nH 6pF (0402 Murata) 5 0 140mil 1pF 0603 Dielectric Labs 5 0
250mil
Vctrl
5 0
Vsup
200mil 2 2 15pF (0603 Dielectric Labs) 1
PAout
16
50mil
5 0
TXin SW_RX
33pF (0402 Murata) 5 0
AM52-0023 RFin
Cac 260mil 5 0 5 0 2pF (0603 Dielectric Labs) 11 6
ANT
SW_TX
2.15k 5 0 460 60mil 4pF (0402 Murata)
Vctrl1
Vctrl2
Vsup RXout
4 mm, 20 Pin FQFP-N Package
D
16 1 2
A A2 A1
Dimension Min.
A A1 A2 A3 b 0.23 0.80 0 0
Measurement (mm) Nom.
0.90 0.02 0.65 0.20 ref. 0.28 4.00 basic 3.75 basic 0.75 1.70 0.65 basic 4.00 basic 3.75 basic 0.75 0.50 typ. 1.70 0.60 typ. 2.25 0.75 typ. 2.25 0.35
Max.
1.00 0.05 1.00
E
3 4
16 x b D2 e 3xe
PIN #1 IDENTIFIER
D D1 D2 e
E2
E E1 E2
L
e 3xe
L
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
6

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