SST12LP22

DS70005206A-page 10

Preliminary

 2014 Microchip Technology Inc.

FIGURE 5-7:

DYNAMIC EVM VERSUS OUTPUT POWER (WITH HARMONIC FILTER IN

Figure 5-9)

FIGURE 5-8:

TYPICAL SCHEMATIC FOR 256 QAM APPLICATIONS

70005206 F7.0

0

1

2

3

4

5

6

7

8

9

10

0

1

2

3

4

5

6

7

8

9

10 11 12 13 14 15 16 17 18 19 20 21 22 23

Output Power (dBm)

EVM versus Output Power

Freq=2.412 GHz

Freq=2.442 GHz

Freq=2.472 GHz

RFOUT

50

Ω /1mm

VREG

Vcc

1 µF

VDET

70005206 Schematic.1.0

Suggested operation conditions:

2. Center slug to RF ground

50

Ω/3mm

1.3 pF

100 pF

4.7 µF

2

56

8

16

15

1

14

49

11

12

10

13

3

7

RFIN

50

Ω

0

Ω

12 nH

1 µF

Bias

Circuit