RF2945
Parameter
LNA
Voltage Gain
Noise Figure
Input IP
3
Input P
1dB
Antenna Port Impedance
Antenna Port VSWR
Output Impedance
23
16
4.8
5.5
-27
-20
-37
-30
50
1.5:1
Open Collector
8
7
10
17
-21
-17
-31
-28
0.1
10.7
34
13
330
330
10.7
60
330
1
10
25
Ω
dB
dB
dB
dB
dBm
dBm
dBm
dBm
MHz
dB
dB
Ω
Ω
MHz
dB
Ω
kΩ
kΩ
MHz
V
dB
dB
dB
dB
dBm
dBm
dBm
dBm
Ω
433MHz
915MHz
433MHz
915MHz
433MHz
915MHz
433MHz
915MHz
RX ENABL=“1”, TX ENABL=“0”
RX Mode
433MHz and 915MHz
Single-ended configuration
433MHz
915MHz
433MHz
915MHz
433MHz
915MHz
433MHz
915MHz
Specification
Min.
Typ.
Max.
Unit
Condition
Mixer
Conversion Voltage Gain
Noise Figure (SSB)
Input IP
3
Input P
1dB
First IF Section
IF Frequency Range
Voltage Gain
Noise Figure
IF1 Input Impedance
IF1 Output Impedance
IF=10.7MHz, Z
L
=330Ω
Second IF Section
IF Frequency Range
Voltage Gain
IF2 Input Impedance
IF2 Output Impedance
Demod Input Impedance
Data Output Bandwidth
Data Output Level
0.1
25
IF=10.7MHz
At IF2 OUT pin
3dB Bandwidth, Z
LOAD
=1MΩ || 3pF
Z
LOAD
=1MΩ || 3pF. Output voltage is pro-
portional with the instantaneous frequency
deviation.
11
TRANSCEIVERS
1.4
0.3
V
CC
-0.3
Rev A10 000919
11-217
RFMD [ RF MICRO DEVICES ]
