RF2948B RF Micro Devices, RF2948B Datasheet - Page 4

• Manufacturer Part Number: RF2948B
• Description: 2.4GHz SPREAD-SPECTRUM TRANSCEIVER
• Manufacturer: RF Micro Devices

11-242
Transmit Power Amp
Linear Output Power
Gain
Output P1dB
Output Impedance
Input Impedance
Power Down Control
Logical Controls “ON”
Logical Controls “OFF”
Control Input Impedance
RX V
RX EN Response TIme
TX EN Response TIme
V
V
IF LO Input
Input Impedance
Input Power Range
Input Frequency
RF LO Input
Input Impedance
Input Power Range
Input Frequency
VREF1 Buffered
Source/Sink Current
Output Voltage
VREF1
Power Supply
Voltage
Total Current Consumption
Sleep Mode Current
PA Driver Current
RX Current
TX Current
PD
PD
RF2948B
to RX Response TIme
to TX Response TIme
GC
Response TIme
Parameter
BW (MHz)
BW (MHz)
12-20
20-30
12-20
20-30
9
9
VREF1-10
V
CC
Min.
2000
-0.3
-15
-10
1.6
2.7
10
90
-0.3V
Specification
1050-j1200
33-j110
Typ.
1.33
200
330
105
115
110
-10
1.7
3.3
>1
12
50
50
50
18
65
70
95
0
2
6
9
1
VREF1+10
V
CC
Max.
1000
2400
136
0.3
1.8
3.6
85
+0.3V
0
0
1
Unit
dBm
dBm
dBm
MHz
dBm
MHz
MΩ
mA
mV
mA
mA
mA
mA
mA
mA
mA
ms
dB
µA
ns
µs
ns
µs
Ω
Ω
Ω
Ω
V
V
V
V
Voltage supplied to the input.
Nominal
Nominal
Voltage supplied to the input, not to exceed
3.6V.
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=748MHz
peak
(2x IF Frequency)
f=2.04GHz unmatched.
V
PD=0, RX EN=1
TX EN=1
CC
=3.3V, Baseband BW 1MHz to 40MHz
Condition
Rev A6 040930