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LX5506
TM (R)
InGaP HBT 4.5 - 6GHz Power Amplifier
PRODUCTION DATA SHEET
DESCRIPTION
KEY FEATURES Advanced InGaP HBT Single-Polarity 3.3V Supply EVM ~ 3% at Pout=18dBm for 64QAM/ 54Mbps OFDM P1dB ~ +26dBm Power Gain ~ 23dB at 5.25GHz for Icq ~100mA Power Gain ~ 21dB at 5.85GHz for Icq ~100mA Total Current ~190mA at Pout=18dBm at 5.25GHz ACPR ~ -50dBc at 30MHz Offset at Pout=18dBm Complete On-Chip Input Match Simple Output Capacitor Match Small Footprint: 3x3mm2 Low Profile: 0.9mm
APPLICATIONS
The LX5506 is a power amplifier designed for the FCC Unlicensed National Information Infrastructure (U-NII) band, HyperLAN2 and Japan WLAN applications in the 4.9-5.95 GHz frequency range. The PA is implemented as a three-stage monolithic microwave integrated circuit (MMIC) with active bias and complete on-chip input matching. The device is manufactured with an InGaP/GaAs Heterojunction Bipolar Transistor (HBT) IC process (MOCVD). It operates at a single positive voltage supply of 3.3V (nominal), with +26dBm of P1dB and up to 23dB power gain in the 5.15 5.85GHz frequency range with a simple output matching capacitor pair.
For OFDM operation (64QAM, 54Mbps), the PA provides +18dBm linear output power with a very low EVM (Error-Vector Magnitude) of 3%, and consumes about 190mA total DC current. At higher supply voltage of 5V, the same device provides +24dBm linear OFDM output power with 5% EVM. The LX5506 is available in a 16-pin 3mmx3mm micro-lead package (MLP). The compact footprint, low profile, and excellent thermal capability of the MLP package makes the LX5506 an ideal solution for broadband, high-gain power amplifier requirements for IEEE 802.11a, and HiperLAN2 portable WLAN applications.
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IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com
FCC U-NII Wireless IEEE 802.11a HiperLAN2 5GHz Cordless Phone
PRODUCT HIGHLIGHT
PACKAGE ORDER INFO
LX5506 LX5506
LQ
Plastic MLPQ 16-Pin
LX5506-LQ
Note: Available in Tape & Reel. Append the letter "T" to the part number. (i.e. LX5506-LQT)
Copyright 2003 Rev. 1.1, 2004-01-19
Microsemi
Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
LX5506
TM (R)
InGaP HBT 4.5 - 6GHz Power Amplifier
PRODUCTION DATA SHEET
ABSOLUTE MAXIMUM RATINGS
PACKAGE PIN OUT
DC Supply Voltage, RF off ...............................................................................6V Collector Current ........................................................................................600mA Total Power Dissipation....................................................................................3W RF Input Power.........................................................................................+15dBm Maximum Junction Temperature (TJ max) .................................................. 150C Operation Ambient Temperature .......................................................-40 to +85C Storage Temperature........................................................................-60 to +150C
Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of specified terminal.
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VC1 VC2 VC3 N.C. N.C. RF OUT RF OUT N.C.
13 14 15 16 12 11 10 9 8 7 6 5
*
1 2 3 4
N.C. RF IN RF IN VCC
VB1 VB2 VB3 * Pad is Ground
LQ PACKAGE
(Bottom View)
N.C.
FUNCTIONAL PIN DESCRIPTION Name RF IN VCC VB1 VB2 VB3 RF OUT VC1 VC2 VC3 GND N.C. Description RF input for the power amplifier. This pin is DC-shorted to GND but AC-coupled to the transistor base of the first stage. Supply voltage for the bias reference and control circuits. Bias current control voltage for the first stage. Bias current control voltage for the second stage. Bias current control voltage for the third stage. RF output for the power amplifier. This pin is AC-coupled and does not require a DC-blocking capacitor. Power supply for the first stage amplifier. Power supply for the second stage amplifier. Power supply for the third stage amplifier. The center metal base of the MLP package provides both DC and RF ground as well as heat sink for the power amplifier. These are unused pins and not connected to the device. They can be treated either as open pins or connected to ground for better heat dissipation.
PACKAGE DATA PACKAGE DATA
Copyright 2003 Rev. 1.1, 2004-01-19
Microsemi
Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 2
LX5506
TM (R)
InGaP HBT 4.5 - 6GHz Power Amplifier
PRODUCTION DATA SHEET
ELECTRICAL CHARACTERISTICS Test conditions: Vcc = 3.3V, Vref = 2.9V, Icq = 100mA, TA = 25C, unless otherwise specified. Parameter
Frequency Range Output Power at 1dB Compression Power Gain at Pout=18dBm EVM at Pout=18dBm Total Current at Pout=18dBm Quiescent Current Bias Control Reference Current Small-Signal Gain Gain Flatness Gain Variation Over Temperature Input Return Loss Output Return Loss Reverse Isolation Second Harmonic Third Harmonic Ramp-On Time
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Condition
Symbol
f Pout Gp
Min.
5.15 25 21
Typ.
26 23 3 190 100 2.2 22 +/-0.5 a) b) 3 ,1 -15 -7 -40 -40 -40 100
Max.
5.35
Min.
5.7 25 19
Typ.
26 21 3 200 100 2.2 20 +/-0.5 a) b) 2 ,1 -15 -15 -40 -60 -40 100
Max.
5.85
Unit
GHz dBm dB % mA mA mA dB dB dB dB dB dB dBc dBc ns
64QAM/54Mbps Ictotal Icq Iref S21 S21 S21 S11 S22 S12
For Icq=100mA Over 200MHz o -40 to +85 C
-10
-10
Pout = 18dBm Pout = 18dBm 10 - 90%
tON
Note a) Vref = 2.9V b)Vref = 3.0V
ELECTRICALS ELECTRICALS
Copyright 2003 Rev. 1.1, 2004-01-19
Microsemi
Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3
LX5506
TM (R)
InGaP HBT 4.5 - 6GHz Power Amplifier
PRODUCTION DATA SHEET
EVM VS POUT FREQ=5.15GHZ
10 9 8 EVM Ictotal 240 230 220
EVM VS POUT FREQ=5.85GHZ
11 10 9 8 EVM Ictotal 260 250 240 230 220 210 200 190 180 170 160 15 16 17 18 19 20 21
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Ictotal (mA)
EVM (%)
6 5 4 3 2 1 15 16 17 18 19 20 21
200 190 180 170 160 150
7 6 5 4 3 2 1
Pout (dBm) Typical EVM and Total Current vs. Pout at Vc = 3.3V (Vc = 3.3V, Icq = 100mA, 64QAM / 54Mbps)
Pout (dBm) Typical EVM and Total Current vs. Pout at Vc = 3.3V (Vc = 3.3V, Icq = 100mA, 64QAM / 54Mbps)
EVM VS FREQUENCY
5 4.5 4 EVM_Measured EVM_Deembedded
210 205 200
CURRENT VS FREQUENCY
Ictotal
EVM (%)
3.5 3 2.5 2 1.5 1 5.1
Ictotal (mA)
195 190 185 180 175 170 5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
Frequency (GHz)
Frequency (GHz)
Typical EVM vs. Frequency (Vc =3.3V, Icq = 100mA, Pout = 18dBm, 64QAM / 54Mpbs)
Typical Total Current vs. Frequency (Vc=3.3V, Icq=100mA, Pout=18dBm, 64QAM/54Mbps)
Notes: All EVM data are for OFDM signal of 64QAM/54Mbps and are actual measured data without any de-embedding. Source EVM is around 1.4 - 1.8% for the input power levels for test. ACPR VS OUTPUT POWER
-40 -41 -42 -43 -44 -45 -46 -47 -48 -49 -50 -51 -52 -53 -54 -55 15 Freq=5.15GHz Freq=5.85GHz
28 P1dB 27
P1DB VS FREQUENCY
ACPR (dBc) @ 30MHz Offset
P1dB (dBm)
26
Ictotal (mA)
7
210
EVM (%)
CHARTS CHARTS
25
24
23 5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
16
17
18
19
20
21
Frequency (GHz)
Typical P1dB vs. Frequency (Icq = 100mA for Vc = 3.3V, Icq = 110mA for Vc=4.5V)
Pout (dBm)
Typical ACPR vs. Output Power (Vc = 3.3V, Icq = 100mA, 64QAM / 54Mpbs)
Copyright 2003 Rev. 1.1, 2004-01-19
Microsemi
Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
LX5506
TM (R)
InGaP HBT 4.5 - 6GHz Power Amplifier
PRODUCTION DATA SHEET
POWER SWEEP DATA 5.15GHZ
POWER SWEEP DATA 5.85GHZ
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Typical Power Sweep Data at Vc = 3.3V (VC = 3.3V, Icq = 100mA, No Heat Sink) Frequency = 5.15GHz
Typical Power Sweep Data at Vc = 3.3V (VC = 3.3V, Icq = 100mA, No Heat Sink) Frequency = 5.85GHz
RECOMMENDED BIAS RESISTOR
180 160
QUIESCENT CURRENT VS VREF
300 R6=47 R6=180
Bias Resistor R6 (Ohm)
250
140 120 100 80 60 40
Icq (mA)
200
Icq/ vref ~ 0.28mA/mV
150
100
Icq/ vref ~ 0.18mA/mV
50
20 0 2.9 3 3.1 3.2 3.3
0 2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
Available Vref (V)
Recommended Bias Resistor for Available Vref (Adjusted R6 value for Obtaining Nominal Icq = 10mA at Vc = 3.3V)
Vref (V)
Quiescent Current vs. Vref (Vc = 3.3V, Bias Resistor R6 = 47 & 180)
S-PARAMETER DATA
25 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 -50 5.0 5.2 5.4 5.6 5.8 6.0
SMALL SIGNAL VS SUPPLY VOLTAGE
24 S21
dB(S (1,2)) dB(S (2,1)) dB(S (1,1)) dB(S (2,2))
S21 (dB) @ 5.25GHz
23.5
23
22.5
CHARTS CHARTS
22
21.5
21 3 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4 4.1 4.2 4.3 4.4 4.5
Frequency (GHz)
Typical S-Parameter Data at Room Temperature (Vc = 3.3V, R6 = 0, Vref = 2.9V. Icq = 100mA)
Supply Voltage Vc (V)
Typical Small Signal Gain vs. Supply Voltage (R6 = 0, Vref = 2.9V, Icq = 100mA for Vc = 3.3V, Freq = 5.25GHz)
Copyright 2003 Rev. 1.1, 2004-01-19
Microsemi
Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
LX5506
TM (R)
InGaP HBT 4.5 - 6GHz Power Amplifier
PRODUCTION DATA SHEET
SMALL SIGNAL VS BIAS REF.
30
SMALL SIGNAL GAIN OVER TEMP
24 23 22
S21 (dB)
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25
S21 (dB) @ 5.25GHz
20
21 20 19 18 +25 0 +85 -20 -40 C C C C C
15
10
PA OFF
5
PA ON
17 16 5.15
0 2.4
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
5.25
5.35
5.45
5.55
5.65
5.75
5.85
Vref (V)
Typical Small Signal Gain vs. Bias Reference Voltage (Vc = 3.3V, R6 = 47, Vref = 3.0V, Icq = 100mA, Freq = 5.25GHz)
Frequency (GHz)
Typical Small Signal Gain Variation Over Temperature (Vc = 3.3V, R6 = 0, Vref = 2.9V, Icq = 100mA at Room Temperature)
CHARTS CHARTS
Copyright 2003 Rev. 1.1, 2004-01-19
Microsemi
Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 6
LX5506
TM (R)
InGaP HBT 4.5 - 6GHz Power Amplifier
PRODUCTION DATA SHEET
PACKAGE DIMENSIONS
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LQ
16-Pin MLPQ 3x3 (75 x 75 mil DAP)
D
b
Dim A A1 A3 b D E e D2 E2 K L
E
D2
E2 e A1 A3 A
K L
MILLIMETERS MIN MAX 0.80 0.80 0 0.05 0.20 REF 0.18 0.30 3.00 BSC 3.00 BSC 0.50 BSC 1.55 1.80 1.55 1.80 0.2 0.35 0.50
INCHES MIN MAX 0.031 0.031 0 0.002 0.008 REF 0.007 0.012 0.118 BSC 0.118 BSC 0.020 BSC 0.061 0.071 0.061 0.071 0.008 0.012 0.020
Note:
1. Dimensions do not include mold flash or protrusions; these shall not exceed 0.155mm(.006") on any side. Lead dimension shall not include solder coverage.
MECHANICALS MECHANICALS
Copyright 2003 Rev. 1.1, 2004-01-19
Microsemi
Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 8
LX5506
TM (R)
InGaP HBT 4.5 - 6GHz Power Amplifier
PRODUCTION DATA SHEET
NOTES
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NOTES NOTES
PRODUCTION DATA - Information contained in this document is proprietary to Microsemi and is current as of publication date. This document may not be modified in any way without the express written consent of Microsemi. Product processing does not necessarily include testing of all parameters. Microsemi reserves the right to change the configuration and performance of the product and to discontinue product at any time.
Copyright 2003 Rev. 1.1, 2004-01-19
Microsemi
Integrated Products Division 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 9

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