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參數(shù)資料
| 型號(hào)： | RF2945 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | 433/868/915MHZ FSK/ASK/OOK TRANSCEIVER |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP32 |
| 封裝： | 5 X 5 MM, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 2/24頁 |
| 文件大小： | 742K |
| 代理商： | RF2945 |
11-216
RF2945
Rev A10 000919
11
T
Absolute Maximum Ratings
Parameter
Supply Voltage
Control Voltages
Input RF Level
Output Load VSWR
Operating Ambient Temperature
Storage Temperature
Ratings
-0.5 to +5.5
-0.5 to +5.0
+10
50:1
-40 to +85
-40 to +150
Unit
V
DC
V
DC
dBm
°C
°C
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
Overall
RF Frequency Range
VCO and PLL Section
VCO Frequency Range
VCO OUT Impedance
VCO OUT Level
VCO/PLL Phase Noise
T=25°C, V
CC
=3.6V, Freq=915MHz
300 to 1000
MHz
300 to 1000
50
-20
-72
-98
MHz
dBm
dBc/Hz
dBc/Hz
Freq=915MHz
10kHz offset, 5kHz loop BW
100kHz offset, 5kHz loop BW
Transmit Section
Max Modulation Frequency
Min Modulation Frequency
Maximum Power Level
2
MHz
Set by loop filter bandwidth
+7
+8.5
1
+3
12
10
200
dBm
dBm
dB
dB/V
kHz
Freq=433MHz
Freq=915MHz
5
Power Control Range
Power Control Sensitivity
Max FM Deviation
Instantaneous frequency deviation is
inversely proportional with the modulation
voltage. Dependent on external circuitry.
TX ENABL=“1”, RX ENABL=“0”
TX Mode
Antenna Port Impedance
Antenna Port VSWR
Modulation Input Impedance
Harmonics
Spurious
Overall Receive Section
Frequency Range
Cascaded Voltage Gain
50
1.5:1
4
k
dBc
dBc
-38
Freq=915MHz, with eval board filter
Compliant to Part 15.249 and I-ETS 300 220
300 to 1000
35
23
10
-31
-26
-96
-55
0.5 to 2.5
22.5
80
MHz
dB
dB
dB
dBm
dBm
dBm
dBm
V
mV/dB
dB
Freq=433MHz
Freq=915MHz
Cascaded Noise Figure
Cascaded Input IP
3
Freq=433MHz
Freq=915MHz
IF BW=400kHz, Freq=915MHz, S/N=8dB
Freq=915MHz
R
LOAD
=51k
RX Sensitivity
LO Leakage
RSSI DC Output Range
RSSI Sensitivity
RSSI Dynamic Range
-91.5
70
Caution!
ESD sensitive device.
RF Micro Devices believes the furnished information is correct and accurate
at the time of this printing. However, RF Micro Devices reserves the right to
make changes to its products without notice. RF Micro Devices does not
assume responsibility for the use of the described product(s).
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