SKY42068 Datasheet, PDF (4/8 Pages) Skyworks Solutions Inc. – 400-1000 MHz High Dynamic Range Active Mixer

PRELIMINARY DATA SHEET • SKY42068 ACTIVE MIXER
2. Connect a signal generator to the LO1 input port (J3). Set the
generator to the desired LO frequency at a power level of
0 dBm, but do not enable.
3. Connect a signal generator to the mixer RF input port (J7). Set
the generator to the desired RF frequency at a power level of
0 dBm, but do not enable.
4. Connect a spectrum analyzer to the IF output port of the mixer
(J6).
5. Enable the power supply.
6. Enable the LO signal.
7. Enable the RF signal and take measurements.
8. If LO2 is desired, connect the LO signal generator to the LO2
input port (J8) and pull the LO_SEL jumper (J2).
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 SKY42068 is rated to Moisture Sensitivity Level 3 (MSL3) at
260 °C. It can be used for lead or lead-free soldering.
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.
Package Dimensions
Figure 6 shows the package dimensions for the 20-pin QFN and
Figure 7 provides the tape and reel dimensions.
Electrostatic Discharge (ESD) Sensitivity
The SKY42068 is a static-sensitive electronic device. Do not
operate or store near strong electrostatic fields. Take proper ESD
precautions.
VDD
J3
LO_1 In
SMA
VDD
J8
LO_2 In
SMA
J7
RF In
SMA
C5
33 pF
J2
C3
DNI
C6
1000 pF
L1
0Ω
C1
C11
DNI
DNI
C2
33 pF
C9
12 pF
L2
0Ω
C4
33 pF
C10
DNI
LB1
12 nH
CB1
DNI
LB3
0Ω
CB7
DNI
X
X
20
19
18
17 16
1 _{LO_1}
2 _GND
3 _{LO_SEL}
4 _GND
5 _{LO_2}
U1
SKY42068
NC ¹⁵ X
NC ¹⁴ X
NC ¹³ X
IF+ ¹²
IF– ¹¹
6
7
8
9
10
6
2
TB1
3
Balun
LDB31900M05C-417
1
RB1
5Ω
4
CB2
33 pF
CB3
1000 pF
1
2
J1
2-Pin Header
VDD
VDD
3 _TB2
Balun
TC4-1W
6
2
4
LB2
27 nH
CB8
CB6
DNI
10 pF
1
J6
LB4 IF Out
0Ω
SMA
CB4
1000 pF
CB5
33 pF
S737
Figure 3. SKY42068 Evaluation Board Schematic (900 MHz)
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
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August 23, 2006 • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • 103210C