RF2938 Просмотр технического описания (PDF) - RF Micro Devices
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RF2938 Datasheet PDF : 20 Pages
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RF2938
11
Parameter
Transmit Power Amp
Linear Output Power
Gain
Output P1dB
Output Impedance
Input IP3
Input Impedance
Power Down Control
Logical Controls “ON”
Logical Controls “OFF”
Control Input Impedance
RSSI Response Time
RX VGC Response TIme
RX EN Response TIme
TX EN Response TIme
VPD to RX Response TIme
VPD to TX Response TIme
Specification
Min.
Typ.
Max.
VCC - 0.3 V
-0.3
6
23
12
50
0
50
0
>1
1.8
200
2
330
1.33
50
VCC + 0.3 V
0.3
IF LO Input
Input Impedance
Input Power Range
Input Frequency
RF LO Input
Input Impedance
Input Power Range
Input Frequency
Power Supply
Voltage
Total Current Consumption
Sleep Mode Current
PA Driver Current
RX Current
BW (MHz)
0-11
12-20
20-30
TX Current
BW (MHz)
0-11
12-20
20-30
-15
90
-15
2000
2.7
1050-j1200
-10
33-j110
3.3
1
48
65
70
110
95
105
115
0
1000
0
2400
3.6
Unit
dBm
dB
dBm
Ω
dBm
Ω
V
V
MΩ
µs
ns
µs
ns
ms
µs
Ω
dBm
MHz
Ω
dBm
MHz
V
µA
mA
mA
mA
mA
mA
mA
mA
Condition
Voltage supplied to the input, not to exceed
3.6 V
Voltage supplied to the input.
<8pF on RSSI output.
Full step in gain, to 90% of final output level.
I/Q output VALID
To IF output VALID
To I/Q output VALID
To IF output VALID
The IF LO is divided by 2 and split into
quadrature signals to drive the frequency
mixers.
f = 560 MHz
peak
(2x IF Frequency)
f=2.16GHz untuned.
VCC=3.3V, Baseband BW 1MHz to 40MHz
PD=0, RX EN=1, TX EN =1
Excluding PA Driver
2-4
Rev A8 010418
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