3 / 26 page
3 of 26
RF3854
Rev A1 DS070313
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
General Conditions
Local Oscillator
LO LB Input Frequency
824
915
MHz
RF LB Output Frequency
824
915
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
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
* Not tested in Production
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
