6

4546E–RKE–02/07

T5750

Figure 4-2.

Output Power Measurement

4.4

Application Circuit

For the supply-voltage blocking capacitor C

4-3 on page 7 and Figure 4-4 on page 8). C

power amplifier where C

series should be used to achieve a better tolerance value and to have the possibility to realize

the Z

C

suppresses the 1

best suppression is achieved when C

ANT2.

The loop antenna should not exceed a width of 1.5 mm, otherwise the Q-factor of the loop

antenna is too high.

L

50 nH to 100 nH) can be printed on PCB. C

the load resonance frequency of the crystal. Normally, a value of 12 pF results for a 15 pF

load-capacitance crystal.

1 nF

1.5 pF

2.7 pF

10 nH

ANT2

ANT1

Power

meter

50

Ω

Z = 50

Ω