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PRELIMINARY DATA SHEET
SKY65131: WLAN Power Amplifier Module
Applications
IEEE802.11 b/g WLAN
ISM band transmitters
WCS fixed wireless
Wireless access nodes
Features
Single 3.3 V supply
Linear output power of +28 dBm for IEEE802.11b mask
Linear output power of +26 dBm for IEEE802.11g mask
High PAE of 38 percent
Output power detector: 20 dB dynamic range
Superior gain flatness
Internal RF match and bias circuits
Small footprint, MCM 4 x 4 mm SMT package
PA shutdown control
Description
The Skyworks SKY65131 is a Microwave Monolithic Integrated
Circuit (MMIC) Power Amplifier (PA) with superior output power,
linearity, and efficiency. These features make the SKY65131 ideal
for Wireless Local Area Network (WLAN) applications.
The device is fabricated using Skyworks high reliability Indium
Gallium Phosphide (InGaP) Heterojunction Bipolar Transistor (HBT)
technology. The device is internally matched and mounted in a
4 x 4 mm, Multi-Chip Module (MCM) Surface-Mounted
Technology (SMT) package, which allows for a highly
manufacturable low cost solution.
The device package and pinout are shown in Figure 1. A block
diagram of the SKY65131 is shown in Figure 2.
S106
GND
RF_IN
RF_IN
VCC1
VC_BIAS
VDET_CNTL
RF_OUT
RF_OUT
GND
VCC2
VREF1
1
16
15
14
6
7
8
2
3
4
5
13
12
11
10
9
VREF2
P
A_ON
GND
VCC_DET
V_DET
Figure 1. SKY65131 Pinout 16-Pin MCM
(Top View)
PRELIMINARY DATA SHEET SKY65131
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RF_IN
VCC1
VC_BIAS
PA_ON
VREF2
VREF1
VCC_DET
VCC2
RF_OUT
Input
Match
Output
Match
Stage 1
PA
Stage 2
PA
Active Bias
Inter-Stage
Match
S107
V_DET
Detector
Figure 2. SKY65131 Block Diagram
Technical Description
The SKY65131 PA contains all of the needed RF matching and DC
biasing circuits. The device also provides an output power
detector voltage and the ability to switch the PA on or off with a
simple control signal.
The SKY65131 is a two-stage, HBT InGaP device optimized for
high linearity and power efficiency. These features make the
device suitable for wideband digital applications, where PA
linearity and power consumption are of critical importance (e.g.,
WLANs).
The device has been characterized with the highest specified data
rates for 802.11b (11 Mbps) and 802.11g (54 Mbps). Under these
stringent test conditions, the device exhibits excellent spectral
purity and power efficiency.
Electrical and Mechanical Specifications
Signal pin assignments and functional pin descriptions are
described in Table 1. The absolute maximum ratings of the
SKY65131 are provided in Table 2. Electrical specifications are
provided in Table 3.
Typical performance characteristics are shown in Figures 3
through 8. Package dimensions for the SKY65131 16-pin MCM
are shown in Figure 9, and tape and reel dimensions are shown in
Figure 10.
Electrostatic Discharge (ESD) Sensitivity
The SKY65131 is a static-sensitive electronic device. Do not
operate or store near strong electrostatic fields. Take proper ESD
precautions.
PRELIMINARY DATA SHEET SKY65131
Skyworks Solutions, Inc. Phone [781] 376-3000 Fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com
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Table 1. SKY65131 Signal Descriptions
Pin #
Name
Description
Pin #
Name
Description
1
GND
Ground
9
VCC2
Stage 2 collector voltage
2 RF_IN
RF
input
10 GND
Ground
3
RF_IN
RF input
11
RF_OUT
RF output
4
VCC1
Stage 1 collector voltage 12
RF_OUT
RF
output
5
VC_BIAS
Bias voltage
13
VDET_CNTL
Detector voltage control
6
VREF1
Bias referance voltage 1
14
V_DET
Detector output signal
7
VREF2
Bias referance voltage 2
15
VCC_DET
Detector supply voltage
8
PA_ON
PA on/off control signal
16
GND
Ground
Table 2. SKY65131 Absolute Maximum Ratings
Parameter Symbol
Minimum
Maximum
Units
RF input power
P
IN
0
dBm
Supply voltage (VCC1, VC_BIAS, VREF1,
VREF2, VCC2, and VCC_DET signals)
VCC
4
V
Supply current (I
D
+ I
BIAS
) I
CC
500
mA
Power dissipation
2
W
Case operating temperature
T
C
40
+85
C
Storage temperature
T
ST
55
+125
C
Junction temperature
T
J
+150
C
Note: Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other
parameters set at or below their nominal value.
Table 3. SKY65131 Recommended Operating Conditions
Parameter Symbol
Minimum
Typical
Maximum
Units
RF input power
P
IN
3
dBm
Supply voltage (VCC1, VC_BIAS, VREF1,
VREF2, VCC2, and VCC_DET signals)
VCC
3.0 3.3 3.6 V
Case operating temperature
T
C
40
+85
C
Storage temperature
T
ST
55
+125
C
PRELIMINARY DATA SHEET SKY65131
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October 12, 2004 Skyworks Proprietary and Confidential information Products and Product Information are Subject to Change Without Notice 103106C
Table 4. SKY65131 Electrical Specifications
(VCC = 3.3 V, T
C
= +25
C, Test Frequency = 2.442 GHz unless otherwise noted)
Parameter Symbol
Test
Condition Min
Typical
Max
Units
Using IEEE802.11b Complimentary Code Keying Input Signal, Data Rate = 11 Mbps
Supply current
I
CC
490 mA
Output power (Note 1)
P
OUT
28 dBm
Power added efficiency (Note 2)
PAE
41
%
Ramp-up/ramp-down (Note 3)
T
S
<0.5
s
Using IEEE802.11g Orthogonal Frequency Division Multiplexing Input Signal, Data Rate = 54 Mbps
Supply current
I
CC
400 mA
Output power (Note 4)
P
OUT
26 dBm
Power added efficiency (Note 2)
PAE
33
%
Using Continuous Wave Input Signals
Small signal gain
G
P
IN
= 15 dBm
26
dB
Gain flatness over band
From 2.4 GHz to 2.5 GHz
1.0 dB
Gain flatness over channel (16.25 MHz)
Over any 16.25 MHz
within band
0.2 dB
Output power @ 1 dB compression
P1dB
P
IN
= 3 dBm
28
dBm
Quiescent Current
I
Q
150 mA
Noise
Figure
NF
5 dB
Power added efficiency
PAE
P
IN
= 3 dBm
38
%
Thermal resistance (junction-to-case)
R
TH
,
J
-
C
50 C/W
Power Up/Down Control
Power up
PA
_
ON
/
OFF
2.7
3.3
V
Power down
PA
_
ON
/
OFF
0.5
V
Note 1: Defined as the maximum power level for which the IEEE802.11b transmit mask requirements are met.
Note 2: Measured at the specified average output RF power and modulation type.
Note 3: Ramp-up and ramp-down times are defined from the 10% to 90% power points.
Note 4: Defined as the maximum power level for which the IEEE802.11g transmit mask requirements are met.
16
18
20
22
24
26
28
30
-12
-10
-8
-6
-4
-2
0
2
4
Pin (dBm)
Pout(dBm) and Gain (dB)
Pout
Gain
Figure 3. Typical P
OUT
and Gain vs P
IN
@ 2.442 GHz
25
26
27
28
29
30
2.4
2.42
2.44
2.46
2.48
2.5
Frequency (GHz)
Ga
in (
d
B)
Figure 4. Typical Gain vs Frequency Response
PRELIMINARY DATA SHEET SKY65131
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5
3
3.5
4
4.5
5
2 . 4
2 . 4 1 2 . 4 2 2 . 4 3 2 . 4 4 2 . 4 5 2 . 4 6 2 . 4 7 2 . 4 8 2 . 4 9
2 . 5
Frequency (GHz)
Noise Figure (dB)
Figure 5. Typical Noise Figure Performance vs Frequency
- 60
- 50
- 40
- 30
- 20
- 10
0
10
2. 411
2. 417
2. 423
2. 430
2. 436
2. 442
2. 448
2. 454
2. 461
2. 467
2. 473
F requency (GH z)
Figure 7. Output Spectrum Response for 802.11b CCK-Coded
(11 Mbps Input Signal)
0
1
2
3
4
5
6
7
8
9
17
18
19
20
21
22
23
24
25
26
Pout (dBm)
EVM
(
%
)
Figure 9. EVM vs Pout for 802.11g
(64 Quadrature Amplitude Modulated, 54 Mbps Input Signal)
- 50
- 40
- 30
- 20
- 10
0
10
2. 411
2. 417
2. 423
2. 430
2. 436
2. 442
2. 448
2. 454
2. 461
2. 467
2. 473
F requency (GH z)
Figure 6. Output Spectrum Response for 802.11g
(64 Quadrature Amplitude Modulated, 54 Mbps Input Signal)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
10
15
20
25
30
Pout (dBm)
Detector
V
o
l
t
age (V
)
Figure 8. Detector Output Voltage vs RF Output Power
IEEE802.11b
Specification Mask
Pout = +28 dBm
IEEE802.11g
Specification Mask
Pout = +26 dBm
PRELIMINARY DATA SHEET SKY65131
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VCC_DET
V_DET
RF In
VCC1
VC_BIAS
VREF2
PA_ON
1
2
3
4
5
13
12
11
10
9
16
15
14
6
7
8
SKY65131
RF_IN
VC_BIAS
GND
RF_IN
VCC1
VREF1
VREF2
PA_ON
VCC2
GND
RF_OUT
RF_OUT
VDET_CNTL
V_DET
VCC_DET
GND
C7
3300 pF
L6
10 nH
L4
10 nH
RF Out
C13
43 pF
L3
1.5 nH
C1
DNI
L1
10 nH
L2
10 nH
R1
200
C3
3300 pF
C4
3300 pF
R2
150
R3
51
C5
3300 pF
C2
3300 pF
C8
10
F
VCC2
C6
3300 pF
C12
10
F
VREF1
S324
C14
8.2 pF
Figure 10. SKY65131 Evaluation Board Schematic
PRELIMINARY DATA SHEET SKY65131
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Solder Mask Opening
Metal Pad Edge
Detail A
Detail B
Solder Mask Edges
Substrate
Top View
Side View
Bottom View
Mold
Metal Pad -- Pin 1
1.22 0.05
0.465 0.025
Pin 1
Indicator
4.0 0.05
4.0 0.05
1.5 0.1
0.5 0.05
0.5 0.05
0.4 0.05
0.4 0.05
0.1 0.05
0.1 0.05
0.85 0.05
1.70 0.05
1.00 0.05
1.22 0.05
0.85 0.05
1.00 0.05
A
B
S108
All dimensions are in millimeters
Metal Pad Edge
Solder Mask Edges
Figure 11. SKY65131 16-Pin MCM Package Dimensions
S187
8.00 0.10
4.00 0.10
2.00 0.05
1.75 0.10
12.00 +0.30/0.10
5.50 0.05
1.50 0.10
1.50 0.25
Pin #1
Indicator
0.229 0.02
4.30 0.10
8
o
Max
7
o
Max
1.73 0.10
4.35 0.10
Notes:
1. Carrier tape material: black conductive polycarbonate
or
polysterene
2. Cover tape material: transparent conductive PSA
3. Cover tape size: 9.3 mm width
4. All measurements are in millimeters
A
B
B
A
B
A
Figure 12. SKY65131 16-Pin MCM Tape and Reel Dimensions
PRELIMINARY DATA SHEET SKY65131
Skyworks Solutions, Inc. Phone [781] 376-3000 Fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com
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Ordering Information
Model Name
Manufacturing Part Number
Evaluation Kit Part Number
SKY65131 WLAN Power Amplifier Module
SKY65131-11
TW13-D341
Copyright 2003, 2004 Skyworks Solutions, Inc. All Rights Reserved.
Information in this document is provided in connection with Skyworks Solutions, Inc. ("Skyworks") products. These materials are provided by Skyworks as a service to its customers and may be
used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials. Skyworks may make changes to its documentation, products,
specifications and product descriptions at any time, without notice. Skyworks makes no commitment to update the information and shall have no responsibility whatsoever for conflicts,
incompatibilities, or other difficulties arising from future changes to its documentation, products, specifications and product descriptions.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by or under this document. Except as may be provided in Skyworks Terms and Conditions of
Sale for such products, Skyworks assumes no liability whatsoever in association with its documentation, products, specifications and product descriptions.
THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED OR OTHERWISE, RELATING TO SALE AND/OR USE OF SKYWORKS PRODUCTS
INCLUDING WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER
INTELLECTUAL PROPERTY RIGHT. SKYWORKS FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION, TEXT, GRAPHICS OR OTHER ITEMS CONTAINED WITHIN
THESE MATERIALS. SKYWORKS SHALL NOT BE LIABLE FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST
REVENUES OR LOST PROFITS THAT MAY RESULT FROM THE USE OF THESE MATERIALS WHETHER OR NOT THE RECIPIENT OF MATERIALS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.
Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications. Skyworks customers using or selling Skyworks products for use in such applications do so at their
own risk and agree to fully indemnify Skyworks for any damages resulting from such improper use or sale.
The following are trademarks of Skyworks Solutions, Inc.: SkyworksTM, the Skyworks logo, and Breakthrough SimplicityTM. Product names or services listed in this publication are for identification
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