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Preliminary
6-39
RF2643
Rev A1 010717
6
NOTE 1: OIP3 was measured using a two-tone test. Each injected tone had an input power (at the RF output of the
upconverter) of -18 dBm with a frequency spacing of 100 kHz.
Parameter
Specification
Unit
Condition
Min.
Typ.
Max.
Amplifiers/Attenuators
Both Bands
Unless stated otherwise, all data in this sec-
tion is for both Cellular and PCS bands.
T= 25°C, VCC=2.75V.
Gain Control Range
17
20
dB
Gain Control Voltage
0.8
1.9
V
Gain Control Slope
15
35
dB/V
Input Impedance
Single-Ended
50
Ω
Input Return Loss
Single-Ended
10
dB
Output Impedance
Single-Ended
50
Ω
Output Return Loss
Single-Ended
10
dB
RF Output Collector Current
Consumption
10
mA
Upconverter Output to
Amplifier Input
35
40
dB
Any load.
Cellular Band
RF Frequency Range
824
849
MHz
Maximum Gain
5
7
9
dB
Amplifier + Attenuator
Noise Figure at Maximum Gain
2.5
dB
Amplifier + Attenuator
Noise Figure Increase with
Attenuation
0.75
dB/dB
Input IP3 (Linearity)
-1
1
dBm
@ all gain levels
See Note 1 (end of parameter table).
PCS Band
RF Frequency Range
1850
1910
MHz
Maximum Gain
4
6
8
dB
Amplifier + Attenuator
Noise Figure at Maximum Gain
3.5
dB
Amplifier + Attenuator
Noise Figure Increase with
Attenuation
0.75
dB/dB
Input IP3 (Linearity)
-1
0
dBm
See Cellular Band Input IP3 Conditions.
Control and Power
Consumption
Unless otherwise stated, all data in this sec-
tion is for both Cellular and PCS bands.
Operating Voltage
2.7
3.0
V
Power Down Control
2.1
V
HIGH (Device ON)
0.5
V
LOW (Device OFF)
Power Down Pin Impedance
20
k
Ω
Band-Select Control (BS)
2.1
V
PCS (HIGH)
0.5
V
Cellular (LOW)
Band Select Pin Impedance
20
k
Ω
Device OFF Current
10
uA
PD = LOW
Total Current (PD = HIGH)
30
37
mA
Cellular, BS =LOW
33
42
mA
PCS, BS= HIGH
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