5-120
RF2705
Rev A4 041026
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Output Performance with CW Baseband Inputs
High Band Mode (DCS1800/PCS1900)
Mode=High Band FLOx1 (see Control Logic Truth Table for Mode Control Settings)
VGA and PA Driver
VCC=2.7V, T=+25°C,
LO=1710MHz to 1910MHz at 0dBm,
IQ=800mVP-P** at 100kHz,
unless otherwise noted
Output Power 8PSK Modulated*
0
2.2
dBm
GC=2.0V, IQ=1.2VP-P 8PSK
Output Power CW
0
2
+6.0
dBm
GC=2.0V, IQ=800mVP-P at 100kHz
-1.6
dBm
GC=1.5V, IQ=800mVP-P at 100kHz
*
-17.6
dBm
GC=1.0V, IQ=800mVP-P at 100kHz
-30
dBm
GC=0.5V, IQ=800mVP-P at 100kHz
-44
-40
-37
dBm
GC=0.2V, IQ=800mVP-P at 100kHz
Gain Control Voltage Range
0.2
2.0
V
Gain Control Range
42
dB
Difference between output power at
GC=2.0V and GC=0.2V
Gain Control Slope
28
dB/V
Calculated between GC=0.5V and 1.5V
Modulator
Sideband Suppression
-45
-30
dBc
GC=2.0V, No I/Q adjustment
*
-45
-30
dBc
GC=1.5V, No I/Q adjustment
*
-45
-30
dBc
GC=1.0V, No I/Q adjustment
*
-45
-30
dBc
GC=0.5V, No I/Q adjustment
*
-45
-30
dBc
GC=0.2V, No I/Q adjustment
Carrier Suppression
-40
-34
dBc
GC=2.0V, No I/Q adjustment
-40
-34
dBc
GC=1.5V, No I/Q adjustment
*
-40
-33
dBc
GC=1.0V, No I/Q adjustment
-39
-30
dBc
GC=0.5V, No I/Q adjustment
-37
-30
dBc
GC=0.2V, No I/Q adjustment
3rd Harmonic of Modulation
Suppression at FC-3x300kHz
-50
-40
dBc
GC=2.0V
Spurious Outputs
FLOx2 Mode
Spurious Outputs at Integer
Harmonics of 1/2xFLOHB
GC=2.0V, I/Q=800mVP-P at 100kHz
FLO LB
-70.0
dBm
FLO LB leakage
4xFLO LB
-25.0
dBm
Second harmonic of carrier
6xFLO LB
-40.0
dBm
Third harmonic of carrier
Output Compression
Output P1dB*
+8.0
dBm
I/Q=100kHz
* Not tested in Production
** Provides the same output power as modulated signal with associated crest factor.
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