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5-115
RF2705
Rev A4 041026
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Output Performance with Modulated Baseband Inputs
High Band EDGE 8PSK Mode (DCS1800/PCS1900)
Mode=High Band FLOx1 (see Control Logic Truth Table for Mode Control Settings)
Output Power
VCC=2.7V, T=+25°C
Maximum Output Power with
8PSK Modulated Signal*
Maximum VGC
-1
+1.5
dBm
While meeting spectral mask
Minimum VGC
-40
-38
dBm
While meeting spectral mask
Gain Range
42
dB
Difference between output power at
GC=2.0V and GC=0.2V.
Out-of-Band Emission
Spectrum Emission Mask*
Frequency Spacing
200kHz
-36
TBD
dBc
30kHz BW
250kHz
-43
TBD
dBc
30kHz BW
400kHz
-67
TBD
dBc
30kHz BW
600kHz to 1800kHz
-73
dBc
30kHz BW
1800kHz to 3000kHz
-73
dBc
100kHz BW
3000kHz to 6000kHz
-73
dBc
100kHz BW
>6000kHz
-75
dBc
100kHz BW
Error Vector Magnitude
8PSK Modulation
RMS*
1.3
3
%
Origin Offset*
-37
-30
dB
Peak*
3
11
%
Output Noise
At FC±20MHz*
Relative Noise at:
Maximum Gain
-154
dBc/Hz
GC=2.0V, IQ=1.2VP-P 8PSK
-150
dBc/Hz
GC=2.0V to 1.4V
Absolute Noise at:
Maximum Gain
-153
dBm
GC=2.0V, IQ=0VP-P
All Gain Settings
-151
dBm
IQ=1.2VP-P 8PSK
General Conditions
Local Oscillator
LO HB Input Frequency
1710
1910
MHz
RF HB Output Frequency
1710
1910
MHz
Input Power
-6.0
0.0
+3.0
dBm
IQ Baseband Inputs
8PSK
IQ Level
1.2
VP-P
Input IQ signal driven differentially and in
quadrature.
IQ Common Mode
1.2
V
Input Bandwidth
0.7
1.0
MHz
Baseband Filter Attenuation
20
dB
At 20MHz offset
* Not tested in Production
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