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RF2705G
Rev A0 DS060206
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.
Spurious Outputs
FLO/2 Mode
Spurious Outputs at Integer
Harmonics of 1/2xFLOHB*
GC=2.0V, I/Q=800mVP-P at 100kHz
FLO HB
-62.0
dBm
Second harmonic of carrier and LO leakage
(3/2)xFLO LB
-19.0
dBm
Third harmonic of carrier
Output Compression
Output P1dB*
+7.0
dBm
I/Q=100kHz
Output Performance with CW Baseband Inputs
Low Band Mode (GSM850/GSM900), cont’d
Mode=Low Band FLOx1 (see Control Logic Truth Table for Mode Control
Settings)
Intermodulation
Output IP3*
+20.0
dBm
GC=2.0V. Extrapolated from IM3 with two
baseband tones at 90kHz and 110kHz applied
differentially, in quadrature, at both I and Q
inputs, each tone 400mVP-P.
Intermodulation IM3 tone at
FC+70kHz and FC+130kHz
relative to tones at
FC+90kHz and FC+110kHz
-48
dBc
GC=2.0V
Low Band Bypass Mode (GSM850/GSM900)
Mode=Low Band Bypass (see Control Logic Truth Table for Mode
Control Settings)
PA Driver
VCC=2.7V
GMSK Input Power*
-3
0
+3
dBm
At LO LB input from a 50
Ω source.
GMSK Output Power
5.0
7.5
10.0
dBm
At RF LB output
Output Impedance*
50
Ω
Output Noise
At FC±20MHz*
-161
-159
dBc/Hz
AM+PM noise, LO=0dBm
* Not tested in Production
** Provides the same output power as modulated signal with associated crest factor.
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