AD8346
SPECIFICATIONS
VS = 5 V; TA = 25°C; LO frequency = 1900 MHz; LO level = –10 dBm; BB frequency = 100 kHz; BB inputs are dc-biased to 1.2 V; BB input
level = 1.0 V p-p each pin for 2.0 V p-p differential drive; LO source and RF output load impedances are 50 Ω, dBm units are referenced
to 50 Ω unless otherwise noted.
Table 1.
Parameters
Conditions
Min
Typ
Max
Unit
RF OUTPUT
Operating Frequency
Quadrature Phase Error
I/Q Amplitude Balance
Output Power
Output VSWR
Output P1 dB
Carrier Feedthrough
Sideband Suppression
IM3 Suppression
Equivalent Output IP3
Output Noise Floor
RESPONSE TO CDMA IS95 BASEBAND SIGNALS
ACPR (Adjacent Channel Power Ratio)
EVM (Error Vector Magnitude)
Rho (Waveform Quality Factor)
MODULATION INPUT
Input Resistance
0.8
2.5
GHz
Degree rms
dB
See Figure 35 for setup
See Figure 35 for setup
I and Q channels in quadrature
1
0.2
−13
−10
1.25:1
−3
−42
−36
−60
20
−6
dBm
dBm
dBm
dBc
dBc
dBm
dBm/Hz
−35
−25
20 MHz offset from LO
−147
See Figure 35 for setup
See Figure 35 for setup
See Figure 35 for setup
−72
2.5
0.9974
dBc
%
12
70
kΩ
MHz
Modulation Bandwidth
LO INPUT
−3 dB
LO Drive Level
Input VSWR
−12
0.5
−6
dBm
1.9:1
ENABLE
ENBL HI Threshold
ENBL LO Threshold
ENBL Turn-On Time
2.0
V
V
μs
Settle to within 0.5 dB of final SSB
output power
Time for supply current to drop below
2 mA
2.5
12
ENBL Turn-Off Time
μs
POWER SUPPLIES
Voltage
Current Active (ENBL HI)
Current Standby (ENBL LO)
2.7
35
5.5
55
20
V
mA
μA
45
1
Rev. A | Page 3 of 20
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