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參數(shù)資料
| 型號： | RF2905 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | 433/868/915MHZ FM/FSK/ASK/OOK TRANSCEIVER |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 MM, PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 3/22頁 |
| 文件大?。?/td> | 490K |
| 代理商： | RF2905 |
11-55
RF2905
Rev B11 010516
11
T
Parameter
Specification
Typ.
Unit
Condition
Min.
Max.
LNA
Voltage Gain
23
16
4.8
5.5
-27
-20
-37
-30
50
dB
dB
dB
dB
dBm
dBm
dBm
dBm
433MHz
915MHz
433MHz
915MHz
433MHz
915MHz
433MHz
915MHz
RX ENABL=“1”. TX ENABL=“0”
RX Mode
433MHz
915MHz
Single-ended configuration
433MHz
915MHz
433MHz
915MHz
433MHz
915MHz
433MHz
915MHz
Balanced
Noise Figure
Input IP
3
Input P
1dB
Antenna Port Impedance
Antenna Port VSWR
Output Impedance
1.5:1
Open Collector
Open Collector
Mixer
Conversion Voltage Gain
8
7
10
17
-21
-17
-31
-28
dB
dB
dB
dB
dBm
dBm
dBm
dBm
V
PP
Noise Figure (SSB)
Input IP
3
Input P
1dB
Maximum Output Voltage
First IF Section
IF Frequency Range
Voltage Gain
Noise Figure
IF1 Input Impedance
IF1 Output Impedance
Second IF Section
IF Frequency Range
Voltage Gain
IF2 Input Impedance
IF2 Output Impedance
Demod Input Impedance
FM Output Impedance
Data Output Impedance
FM Output Bandwidth
0.1
10.7
34
13
330
330
25
MHz
dB
dB
IF=10.7MHz, Z
L
=330
0.1
10.7
60
330
1
10
500
>1
25
MHz
dB
k
k
Μ
kHz
IF=10.7MHz
At IF2 OUT- pin
500
3dB Bandwidth, Dependent upon IF band-
width and Discriminator.
3dB Bandwidth, Z
LOAD
=1M
|| 3pF; Depen-
dent upon IF bandwidth and Discriminator.
Z
LOAD
=1M
|| 3pF; Output voltage is pro-
portional with the instantaneous frequency
deviation.
Z
LOAD
>10k
Z
LOAD
>10k
Data Output Bandwidth
500
kHz
Data Output Level
0.3
V
CC
-0.3
V
FM Output DC Level
FM Output AC Level
2.6
200
V
mV
PP
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