SI4020 查看數據表（PDF） - Silicon Laboratories

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SI4020

Universal ISM Band FSK Transmitter

Silicon Laboratories 

Si4020

TYPICAL PERFORMANCE DATA

Unmodulated RF Spectrum

The output spectrum is measured at different frequencies. The output is loaded with 50 Ohms through a matching network.

At 315 MHz

At 433 MHz

15:37:47 Dec 15, 2003

Ref -10 dBm

Samp

Log

10

dB/

Atten 5 dB

1

15:18:59 Oct 29, 2003

Mkr1 315.0010 MHz

-22.7 dBm

Ref -10 dBm

Samp

Log

10

dB/

#Atten 5 dB

1

Mkr1 434.0630 MHz

-23.41 dBm

VAvg

100

W1 S2

S3 FC

AA

VAvg

100

W1 S2

S3 FC

AA

Center 315 MHz

Res BW 10 kHz

VBW 10 kHz

Span 2 MHz

Sweep 40.74 ms (2001 pts)

Center 434.1 MHz

Res BW 10 kHz

VBW 10 kHz

Span 2 MHz

Sweep 40.74 ms (2001 pts)

At 868 MHz

15:20:49 Oct 29, 2003

Ref -10 dBm

Samp

Log

10

dB/

#Atten 5 dB

1

At 915 MHz

15:28:02 Dec 15, 2003

Mkr1 868.0680 MHz

-23.23 dBm

Ref -10 dBm

Atten 5 dB

Samp

Log

1

10

dB/

Mkr1 915.0000 MHz

-24.63 dBm

VAvg

100

W1 S2

S3 FC

AA

Center 868.1 MHz

Res BW 10 kHz

VBW 10 kHz

VAvg

100

W1 S2

S3 FC

AA

Span 2 MHz

Swee p 40.74 ms (2001 pts)

Center 915 MHz

Res BW 10 kHz

VBW 10 kHz

Span 2 MHz

Sweep 40.74 ms (2001 pts)

10

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