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SKY65052-372LF Datasheet(PDF) 4 Page - Skyworks Solutions Inc.

Part No. SKY65052-372LF
Description  0.45-6.0 GHz Low Noise Transistor
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Maker  SKYWORKS [Skyworks Solutions Inc.]
Homepage  http://www.skyworksinc.com
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SKY65052-372LF Datasheet(HTML) 4 Page - Skyworks Solutions Inc.

   
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PRELIMINARY DATA SHEET • SKY65052-372LF LOW NOISE TRANSISTOR
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
4
June 2, 2009 • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • 201088A
–40
–30
–20.0
–10.0
–50
0
2000
2200
2400
2600
2800
3000
Frequency (MHz)
Figure 5. Reverse Isolation vs Frequency Over Temperature
(PIN = –20 dBm)
0.80
0.85
0.90
0.95
0.75
0.70
1.00
1800
2000
2200
2400
2600
Frequency (MHz)
Figure 7. Noise Figure vs Frequency, Input RF Connector and
Board Trace De-Embedded From Measurement
–14
–10
–6
–2
–18
+2
2000
2200
2400
2600
2800
3000
Frequency (MHz)
Figure 6. Output Return Loss vs Frequency Over Temperature
(PIN = –20 dBm)
Evaluation Board Description
The SKY65052-372LF Evaluation Board is used to test the
performance of the SKY65052-372LF low noise transistor. An
assembly drawing for the Evaluation Board is shown in Figure 8.
The Evaluation Board schematic diagram is shown in Figure 9.
Table 5 provides the Bill of Materials (BOM) list for Evaluation
Board components.
Circuit Design Considerations
Input and output traces have been minimized to reduce losses. All
surface mount components are 0402-sized to reduce component
parasitics. Use of 0603 or larger components is not
recommended. Component spacing has also been minimized. The
board is provisioned with two RF connectors and a DC launch. RF
connector and board loss up to component C1 is approximately
0.1 dB at 2.4 GHz.
Board material is 10 mil VT47 FR4 with 1 oz. copper cladding.
The RF traces are 50
Ω.
Evaluation Board Test Procedure
Step 1: Connect RF test equipment to amplifier input/output SMA
connectors.
Step 2: Connect DC ground.
Step 3: Connect VDD to a +5 V supply with a current limit of
100 mA. Verify that the board draws approximately
55 mA.
Step 4: Apply RF signal or noise source.


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