AN4126

List of figures

Doc ID 023299 Rev 1

3/28

List of figures

Figure 1.

SPIRIT1 application daughterboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 2.

SPIRIT1 application daughterboard plugged on the motherboard . . . . . . . . . . . . . . . . . . . . 9

Figure 3.

Daughterboard schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 4.

20 dB channel bandwidth measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 5.

Minimum carrier frequency separation measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Figure 6.

Full band hopping channels measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 7.

Peak output power measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 8.

902 MHz band edge conducted emission measurement . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 9.

928 MHz band edge conducted emission measurement . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 10.

Spurious conducted emission below 1 GHz measurement . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 11.

Spurious conducted emission above 1 GHz measurement . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 12.

6 dB bandwidth measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 13.

Peak output power measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 14.

Power spectral density measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 15.

902 MHz band edge conducted emission measurement . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 16.

928 MHz band edge conducted emission measurement . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 17.

Spurious conducted emission below 1 GHz measurement . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 18.

Spurious conducted emission above 1 GHz measurement . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 19.

Peak output power at -1 dBm measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 20.

Spurious conducted emission below 1 GHz measurement . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 21.

Spurious conducted emission above 1 GHz measurement . . . . . . . . . . . . . . . . . . . . . . . . 25