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参数资料
| 型号： | DR-TRC105-450-EV |
| 厂商： | RFM |
| 文件页数： | 9/67页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION 450MHZ RFM RFIC |
| 标准包装： | 1 |
| 类型： | 收发器 |
| 频率： | 447MHz ~ 451MHz |
| 适用于相关产品： | TRC105 |
| 已供物品： | 2 个板，天线，电池 |
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Figure 5
After filtering, the I and Q signals are each amplified by a chain of 11 amplifiers having 6 dB of gain each. The
outputs of these amplifiers and their intermediate 3 dB nodes are used to evaluate the received signal strength
(RSSI). Limiters are located behind the 11 amplifiers of the I and Q chains and the signals at the output of these
limiters are used by the FSK demodulator. The RSSI output is used by the OOK demodulator. The global band-
width of the whole base-band chain is given by the bandwidths of the passive filter, the Butterworth filter, the am-
plifier chain and the limiter. The maximum achievable global bandwidth when the bandwidths of the first three
blocks are programmed at their upper limit is about 350 kHz.
2.4 Crystal Oscillator
Crystal specifications for the TRC105 reference oscillator are given in Table 3. RFM recommends the XTL1020P
crystal which is specifically designed for use with the TRC105. Note that crystal frequency error will directly trans-
late to carrier frequency, bit rate and frequency deviation error.
Specification
Nominal frequency
Load capacitance for Fs
Motional resistance
Motional capacitance
Shunt capacitance
Calibration tolerance at 25 °C
Stability over temperature range
(-40 °C to 85 °C)
Aging in first 5 years
Min
-
13.5
-
5
1
-
1
-
Typical
12.80000
(fundamental)
15
-
-
-
-
-
Max
-
16.5
50
20
7
±10
±15
±2
Units
MHz
pF
Ω
fF
pF
ppm (1)
ppm
ppm/yr
Table 3
www.RFM.com E-mail: info@rfm.com
? 2009-2013 by RF Monolithics, Inc.
Technical support +1.800.704.6079
Page 9 of 67
TRC105 - 05/29/13
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相关代理商/技术参数 |
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| DRTU06D06 | 功能描述:时间延迟和计时继电器 180-240VAC/DC 1-60VDC 6A RoHS:否 制造商:Crydom 显示器类型:Hand Dial 电源电压:280 VAC 定时范围: 触点形式: 触点额定值:6 A 端接类型:DIN Rail |
| DRTU24A06 | 功能描述:时间延迟和计时继电器 180-240VAC/DC 24-280VAC 6A RoHS:否 制造商:Crydom 显示器类型:Hand Dial 电源电压:280 VAC 定时范围: 触点形式: 触点额定值:6 A 端接类型:DIN Rail |
| DRTU24A06R | 功能描述:时间延迟和计时继电器 90-140VAC/DC 24-280VAC 6A RoHS:否 制造商:Crydom 显示器类型:Hand Dial 电源电压:280 VAC 定时范围: 触点形式: 触点额定值:6 A 端接类型:DIN Rail |
| DRTU24B06 | 功能描述:时间延迟和计时继电器 90-140VAC/DC 24-280VAC 6A RoHS:否 制造商:Crydom 显示器类型:Hand Dial 电源电压:280 VAC 定时范围: 触点形式: 触点额定值:6 A 端接类型:DIN Rail |
| DRTU24B06R | 功能描述:时间延迟和计时继电器 2-24VAC/DC 24-280VAC 6A RoHS:否 制造商:Crydom 显示器类型:Hand Dial 电源电压:280 VAC 定时范围: 触点形式: 触点额定值:6 A 端接类型:DIN Rail |
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