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RF5322

DS110618

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

Application Schematic

for Improved Second Harmonic Performance

1

2

8

7

5

6

4**

3

330 pF

1

F

27 nH

1 nF

PDETECT

* The 2.4 pFcapcanbe placedat the same point as the 1.8 nHinductor

whichshould be as close as possible tothe DCblockingcap (10 pF). The

placement canbe modifiedfor the best linear performance. Aseries

capacitor (10 pF) must be addedtoprovide a DCblock after the 2Fo Filter.

VREG

2.4 pF*

1.8 nH*

10 pF

**Pin4 must be left as a no-connect onthe PCB.

P2

3

2

1

GND

P1

1

2

3

P2-3

VREG

GND

P2-2

PDETECT

P1-2

VCC

P1-3

VCC

J1

RFIN

50

strip

J4

RFOUT

50

strip

10 pF

50

strip

3.6K

1

F

VCC

VCC