RF2705G
Specification
Typ.
Parameter
Unit
Condition
Min.
Max.
Output Performance with CW Baseband Inputs
High Band Mode (DCS1800/PCS1900), cont’d
Mode=High Band FLOx1 (see Control Logic Truth Table for Mode Control
Settings)
Intermodulation
Output IP3*
+20
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 400mV
.
P-P
Intermodulation IM3 tone at
F +70kHz and F +130kHz
C
C
relative to tones at
F +90kHz and F +110kHz
-53
-42
dBc
GC=2.0V
C
C
Output Performance with CW Baseband Inputs
Wideband Mode
Mode=Wideband FLOx2 (see Control Logic Truth Table for Mode Control
Settings)
V
=2.7V, T=+25°C, LO=975MHz to
CC
990MHz at -10dBm, IQ=540mV ** at
VGA and PA Driver
P-P
100kHz, unless otherwise noted
Output Power W-CDMA Modu-
lated*
5
5
dBm
GC=2.0V, IQ=0.8V at HQPSK
P-P
Output Power CW
Gain Control Voltage Range
Gain Control Range
2
8
dBm
V
GC=2.0V
0.2
2.0
92
73
dB
Difference between output power at GC=2.0V
and GC=0.2V
Gain Control Slope
dB/V
Calculated between GC=1.0V and 0.5V
Modulator
Sideband Suppression
-48
-50
-50
-50
-42
-41
-38
-23
-55
-30
-30
-30
-30
-30
-30
-30
-10
-50
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
GC=2.0V, No I/Q adjustment
GC=1.5V, No I/Q adjustment
GC=1.0V, No I/Q adjustment
GC=0.5V, No I/Q adjustment
GC=2.0V, No I/Q adjustment
GC=1.5V, No I/Q adjustment
GC=1.0V, No I/Q adjustment
GC=0.5V, No I/Q adjustment
GC=2.0V
*
*
*
Carrier Suppression
3rd Harmonic of Modulation
Suppression at F -3x300kHz
C
Spurious Outputs
Spurious Output at Integer Multi-
ples of FLO LB*
GC=2.0V, I/Q=540mV at 100kHz
P-P
FLO LB
4xFLO LB
-60.0
-14.0
-47.0
dBm
dBm
dBm
FLO LB leakage
0
0
Second harmonic of carrier
Third harmonic of carrier
6xFLO LB
Output Compression
Output P1dB*
+11.5
dBm
I/Q=100kHz
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Rev A0 DS060206
9 of 26
RFMD [ RF MICRO DEVICES ]
