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PDF SKY73086 Data sheet ( Hoja de datos )
| Número de pieza | SKY73086 | |
| Descripción | High Gain and Linearity Diversity Downconversion Mixer | |
| Fabricantes | Skyworks | |
| Logotipo |  |
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PRELIMINARY DATA SHEET
SKY73086: 650 – 900 MHz High Gain and Linearity Diversity
Downconversion Mixer
Applications
• 2G/3G base station transceivers:
− GSM/EDGE, CDMA, UMTS/WCDMA
• Land mobile radio
• High performance radio links
Features
• Operating frequency range: 650 to 900 MHz
• IF frequency range: 100 to 500 MHz
• Conversion gain: 8.7 dB
• Input IP3: +24.4 dBm
• Output IP3: +33.1 dBm
• Noise figure: 11 dB
• Integrated LO drivers
• Integrated low loss RF baluns
• High linearity IF amplifiers
• On-chip SPDT LO switch (greater than 60 dB LO-to-LO isolation)
• Small, MCM (36-pin, 6 x 6 mm) Pb-free package (MSL3, 260 °C
per JEDEC J-STD-020)
Description
The SKY73086 is a fully integrated diversity mixer that includes
Local Oscillator (LO) drivers, an LO switch, high linearity mixers,
and large dynamic range Intermediate Frequency (IF) amplifiers.
Low loss RF baluns have also been included to reduce design
complications and lower system cost.
The SKY73086 features an input IP3 of +24.4 dBm and a Noise
Figure (NF) of 11 dB, making the device an ideal solution for high
dynamic range systems such as 2G/3G base station receivers.
The LO switch provides more than 60 dB of isolation between LO
inputs and supports the switching time required for GSM/EDGE
base stations.
The SKY73086 is manufactured using a robust silicon BiCMOS
process and has been designed for optimum long-term reliability.
The SKY73086 diversity downconversion mixer is provided in a
compact, 36-pin Multi-Chip Module (MCM). A functional block
diagram is shown in Figure 1. The pin configuration and package
are shown in Figure 2. Signal pin assignments and functional pin
descriptions are provided in Table 1.
IFA+ IFA–
RFA LO1
LO_SEL
(Switch Enable)
LO2
RFB
IFB+ IFB–
Figure 1. SKY73086 Block Diagram
S643
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201044C • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • May 19, 2009
1
1 page  
PRELIMINARY DATA SHEET • SKY73086 DOWNCONVERSION MIXER
Table 4. SKY73086 Electrical Specifications (2 of 2)
(Voltage Supply = +5 V, TC = +25 °C, LO = 0 dBm, RF Frequency = 750 MHz, IF Frequency = 450 MHz, LO Frequency = 1200 MHz, Unless
Otherwise Noted)
Parameter
Symbol
Test Condition
Min Typical Max
Units
LO leakage:
1xLO to RF port
2xLO to RF port
3xLO to RF port
4xLO to RF port
1xLO to IF port
FRF = 350 MHz,
FLO = 440 MHz
–32 dBm
–33 dBm
–74 dBm
–67 dBm
–26 dBm
LO_SEL input
–20
+150
+250
µA
LO switching time
1.0 µs
RF port input return loss
ZIN_RF
With external matching
components
14
dB
LO port input return loss
ZIN_LO
With external matching
components
14
dB
IF port input return loss
ZOUT_IF
With external matching
components
14
dB
Evaluation Board Description
The SKY73086 Evaluation Board is used to test the performance
of the SKY73086 downconversion mixer. An assembly drawing for
the Evaluation Board is shown in Figure 3 and the layer detail is
provided in Figure 4. A schematic diagram of the SKY73086
Evaluation Board is shown in Figure 5.
Circuit Design Configurations
The following design considerations are general in nature and
must be followed regardless of final use or configuration:
1. Paths to ground should be made as short as possible.
2. The ground pad of the SKY73086 has special electrical and
thermal grounding requirements. This pad is the main thermal
conduit for heat dissipation. Since the circuit board acts as
the heat sink, it must shunt as much heat as possible from
the device. Therefore, design the connection to the ground
pad to dissipate the maximum wattage produced by the
circuit board.
3. Skyworks recommends including external bypass capacitors
on the VCC voltage inputs of the device.
4. Components L5, L6, L14, and L15 (see Figure 5) are high-Q
low loss inductors. These inductors must be able to pass
currents in excess of 200 mA DC.
5. Components R1 and R2 (see Figure 5) set the bias current for
the IF amplifiers. Skyworks recommends that these resistors
have a tolerance of ±1% to optimize performance consistency
of the SKY73086. These resistors are not required for the
Evaluation Board to operate as specified in Tables 3 and 4.
Package Dimensions
The PCB layout footprint for the SKY73086 is provided in Figure 6.
Figure 7 shows the package dimensions for the 36-pin MCM and
Figure 8 provides the tape and reel dimensions.
Package and Handling Information
Since the device package is sensitive to moisture absorption, it is
baked and vacuum packed before shipping. Instructions on the
shipping container label regarding exposure to moisture after the
container seal is broken must be followed. Otherwise, problems
related to moisture absorption may occur when the part is
subjected to high temperature during solder assembly.
THE SKY73086 is rated to Moisture Sensitivity Level 3 (MSL3) at
260 °C. It can be used for lead or lead-free soldering. For
additional information, refer to the Skyworks Application Note,
PCB Design & SMT Assembly/Rework Guidelines for MCM-L
Packages, document number 101752.
Care must be taken when attaching this product, whether it is
done manually or in a production solder reflow environment.
Production quantities of this product are shipped in a standard
tape and reel format. For packaging details, refer to the Skyworks
Application Note, Tape and Reel, document number 101568.
Electrostatic Discharge (ESD) Sensitivity
The SKY73086 is a static-sensitive electronic device. Do not
operate or store near strong electrostatic fields. Take proper ESD
precautions.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201044C • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • May 19, 2009
5
5 Page 
0.30 ± 0.02
∅1.50 ± 0.10
Pin #1 Indicator
(see Notes)
B
A
PRELIMINARY DATA SHEET • SKY73086 DOWNCONVERSION MIXER
2.00 ± 0.05
8.00 4.00
1.75 ± 0.10
A
7o Max.
B
1.59
B
Notes:
1. Carrier tape: black conductive polystyrene
2. Cover tape material: transparent conductive PSA
3. Cover tape size: 9.3 mm width
4. All dimensions are in millimeters
5. Pin 1 orientation is in top left corner for the following Skyworks products:
SKY73022-21, -31
SKY73023-21, -31
For all other 6 x 6 mm MCM/RFLGA products, pin 1 orientation is
in top right corner.
6.35
8o Max.
A
Figure 8. SKY73086 Tape and Reel Dimensions
∅1.50 Min.
S1183
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201044C • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • May 19, 2009
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SKY73086.PDF ] | |
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