AN2719 Freescale Semiconductor / Motorola, AN2719 Datasheet - Page 21

• Manufacturer Part Number: AN2719
• Description: A Transmitter Using Tango3 (Step-by-step Design for ISM Bands)
• Manufacturer: Freescale Semiconductor / Motorola

Spurious Level
The level of the signal is measured at several frequencies, paying special attention to the sideband
signals created by the reference frequency of the PLL.
Freescale Semiconductor
Span (MHz) :
Frequency :
RBW (kHz) :
Modulation :
EnablePA :
Aquisition :
Fc (MHz) :
Detector :
Fc+Fref :
Fc-Fref :
Enable :
Fc+Fref
Fc+Fref
Fc-Fref
Fc-Fref
Mode :
Band :
Data :
Fref :
Ref :
PA :
Fc :
Fc
315.0000
324.8438
305.1563
315MHz
Maxhold
2110
9.8438
-31.66
-22.36
-35.61
-26.31
Peak
3.95
no
tbd
no
30
25
1
0
1
1
1
433.92MHz
433.9200
447.4800
420.3600
Maxhold
13.5600
2120
-23.58
-29.57
-33.54
-39.53
Peak
9.96
yes
tbd
no
30
30
1
0
1
1
1
A Transmitter Using Tango3, Rev. 0
433.92MHz
Tango3 RF Module setup
Spectrum Analyser setup
433.9200
447.4800
420.3600
Maxhold
Fref power level (dBm)
13.5600
Fref power level (dBc)
2121
-29.41
-23.45
-33.66
-27.70
Peak
4.25
tbd
no
no
30
30
1
0
1
1
1
Frequency
868.3MHz
881.8672
854.7328
868.3000
Maxhold
13.5672
2130
-24.62
-22.36
-33.47
-31.21
Peak
8.85
yes
tbd
no
30
30
0
0
1
1
1
868.3MHz
868.3000
881.8672
854.7328
Maxhold
13.5672
2131
-47.74
-34.26
-47.37
-33.89
Peak
-0.37
no
tbd
no
30
30
0
0
1
1
1
916.5MHz
916.5000
930.8203
902.1797
Maxhold
14.3203
2140
-30.52
-25.91
-38.77
-34.16
Peak
8.25
yes
tbd
no
30
30
0
0
1
1
1
916.5MHz
916.5000
930.8203
902.1797
Maxhold
14.3203
2141
-40.82
-34.87
-40.17
-34.22
Peak
-0.65
tbd
no
no
30
30
0
0
1
1
1
Measurements
21