SI4835-B30_ データシートの表示（PDF） - Silicon Laboratories

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SI4835-B30_

Si483X-B/Si4820/24 ANTENNA, SCHEMATIC, LAYOUT, AND DESIGN GUIDELINES

Silicon Laboratories 

AN555

2.2.2. Typical 2-band Application for Europe

Table 4 and Figure 2 show the band and resistor value details for a typical European 2-band application.

Table 4. Typical European 2-Band Selection

Band

Number

Band2

Band22

Band

Name

FM1

AM2

Band Frequency

Range

87–108 MHz

522–1620 kHz

De-emphasis

50 µs

Stereo LED on

Threshold

(Only for Si483x-B)

Separation = 12 dB,

RSSI = 28

Total R to GND

(k, 1%)

57

257

Figure 2. Typical 2-Band Selection Circuit for Europe

Rev. 0.2

7

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