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RF5111

Rev A1

DS150909

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

Notes:

1. Using a hi-Q capacitor will increase efficiency slightly.

2. All capacitors are standard 0402 multi layer chip.

RF IN

V

CC

V

CC

5.1 pF

Note 1

50

Ω μstrip

1.0 pF

Note 1

33 pF

RF OUT

Quarter wave

length

15 pF

V

CC

1.0 pF

1 nF

12 pF

Very close to

pin 15/16

V

CC

APC

15 pF

15 pF

Distance center to

center of capacitors

0.220"

Instead of a stripline,

an inductor of ~6 nH

can be used

Distance between

edge of device and

capacitor is 0.080"

Instead of a stripline, an

inductor of 2.2 nH can

be used

15 pF

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

33 pF

15 pF

Distance between edge of

device and capacitor is

0.240" to improve the "off"

isolation