7
Si4022
TYPICAL PERFORMANCE DATA
At 915 MHz
50% Charge pump current setting
(Ref. level: -60 dBc/Hz, 10 dB/div)
At 868 MHz
 
11:52:47 May 5, 2005
Phase Noise
L
Marker
Trace
Type
X Axis
Value
1
2
3
4
2
2
2
2
Spot Freq
Spot Freq
Spot Freq
Spot Freq
  10 kHz
 151 kHz
  1 MHz
5.008 MHz
-76.65 dBc/Hz
-86.95 dBc/Hz
-107.11 dBc/Hz
-115.65 dBc/Hz
10 kHz
  10 MHz
Frequency Offset
Carrier Power
Atten
Mkr
Ref -60.00dBc/Hz
10.00
dB/
1
2
3
4
-11.11 dBm
 0.00 dB
4
 5.00800 MHz
-115.65 dBc/Hz
 
13:30:49 May 5, 2005
Phase Noise
L
Marker
Trace
Type
X Axis
Value
1
2
3
1
2
3
Spot Freq
Spot Freq
Spot Freq
  1 MHz
  1 MHz
  1 MHz
-101.95 dBc/Hz
-107.05 dBc/Hz
-109.98 dBc/Hz
10 kHz
  10 MHz
Frequency Offset
Carrier Power
Atten
Mkr
Ref -70.00dBc/Hz
5.00
dB/
1
2
3
-11.03 dBm
 0.00 dB
1
 1.00000 MHz
-101.95 dBc/Hz
 
10:26:50 May 5, 2005
L
Ref 0 dBm
Atten 10 dB
Mkr1 868.0010 MHz
 -12.2 dBm
Samp
Log
10
dB/
VAvg
100
W1 S2
S3 FC
AA
Center 868 MHz
Res BW 10 kHz
VBW 10 kHz
Span 2 MHz
Sweep 40.74 ms (2001 pts)
1
 
10:34:57 May 5, 2005
L
Ref 0 dBm
Atten 10 dB
Mkr1 915.0020 MHz
-14.09 dBm
Samp
Log
10
dB/
VAvg
100
W1 S2
S3 FC
AA
Center 915 MHz
Res BW 10 kHz
VBW 10 kHz
Span 2 MHz
Sweep 40.74 ms (2001 pts)
1
Phase noise measurements in the 868 MHz ISM band
100, 50, 33% Charge pump current settings
(Ref. level: -70 dBc/Hz, 5 dB/div)
Unmodulated RF Spectrum
The output spectrum is measured at different frequencies. The output is loaded with 50 Ohm through a matching network.
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