参数资料
型号: SM1212E433
厂商: Semtech
文件页数: 9/77页
文件大小: 0K
描述: RF EVAL FOR SX1212 433MHZ ISM
标准包装: 1
类型: 收发器,ISM
频率: 433MHz
适用于相关产品: SX1212E
已供物品: 模块,天线,电源,软件
SX1212
ADVANCED COMMUNICATIONS & SENSING
2.4.2. Frequency Synthesis
Table 6: Frequency Synthesizer Specification
Symbol
Description
Conditions
Min
Typ
Max
Unit
300
320
-
-
330
350
MHz
MHz
FR
Frequency ranges
Programmable ,
(may require specific BOM)
350
390
-
-
390
430
MHz
MHz
430
470
-
-
470
510
MHz
MHz
BR_F
BR_O
FDA
XTAL
FSTEP
TS_OSC
Bit rate (FSK)
Bit rate (OOK)
Frequency deviation (FSK)
Crystal oscillator frequency
Frequency synthesizer
step
Oscillator wake-up time
NRZ
NRZ
Variable, depending on the
frequency.
From Sleep mode (1)
0.78
0.78
33
9
-
-
-
-
50
12.8
2
1.5
150
32
200
15
-
5
Kb/s
Kb/s
kHz
MHz
kHz
ms
Frequency synthesizer
TS_FS
wake-up time at most
10 kHz away from the
From Stby mode
-
500
800
μs
target
200 kHz step
1 MHz step
-
-
180
200
-
-
μs
μs
Frequency synthesizer hop
5 MHz step
-
250
-
μs
TS_HOP
time at most 10 kHz away
from the target
7 MHz step
12 MHz step
20 MHz step
27 MHz step
-
-
-
-
260
290
320
340
-
-
-
-
μs
μs
μs
μs
(1)
Guaranteed by design and characterization
2.4.3. Transmitter
Table 7: Transmitter Specification
Symbol
RFOP
Description
RF output power,
programmable with 8 steps
of typ. 3dB
Conditions
Maximum power setting
Minimum power setting
Min
-
-
Typ
+12.5
-8.5
Max
-
-
Unit
dBm
dBm
Measured with a 600 kHz
PN
Phase noise
offset, at the transmitter
-
-112
-
dBc/Hz
output.
At any offset between
SPT
Transmitted spurious
200 kHz and 600 kHz,
unmodulated carrier, Fdev
-
-
-47
dBc
= 50 kHz.
TS_TR (1)
Transmitter wake-up time
From FS to Tx ready.
-
120
500
μs
Guaranteed by design and characterization
TS_TR2 (1) Transmitter wake-up time From Stby to Tx ready.
(1)
Rev 2 – June 18th, 2009
Page 9 of 77
-
600
900
μs
www.semtech.com
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