SST12CP12

DS70005124B-page 10

 2013 Microchip Technology Inc.

256 QAM APPLICATIONS (CONTINUED)

FIGURE 6-5:

INSTANTANEOUS DETECTOR VOLTAGE VERSUS OUTPUT POWER

FIGURE 6-6:

TYPICAL SCHEMATIC FOR 256 QAM APPLICATIONS

70005121 F4.1

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

Output Power (dBm)

Freq=2.412 GHz

Freq=2.442 GHz

Freq=2.472 GHz

2

5

6

7

8

9

11

16

15

1

50

Ω

2.7 pF

50

Ω /1.8mm

50

Ω

VREG

14

13

Vcc

4

12

10

0.1 µF

10

Ω

3

VDET

70005121 Schematic.3.4

Suggested operation conditions:

2. Center slug to RF ground

0.1 µF

0

Ω

50

Ω /0.8mm

1.0 pF

0

Ω

Bias Circuit

4.7 µF

50

Ω /60 mil

50

Ω /60 mil

0.1 µF

60

Ω