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参数资料
| 型号： | MC13150FTB |
| 厂商： | MOTOROLA INC |
| 元件分类： | 无绳电话/电话 |
| 英文描述： | NARROWBAND FM COILLESS DETECTOR IF SUBSYSTEM FOR CELLULAR AND ANALOG APPLICATIONS |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQFP32 |
| 封装： | PLASTIC, LQFP-32 |
| 文件页数： | 11/20页 |
| 文件大小： | 514K |
| 代理商： | MC13150FTB |
MC13150
11
MOTOROLA ANALOG IC DEVICE DATA
Receiver Design Considerations
The curves of signal levels at various portions of the
application receiver with respect to RF input level are shown
in Figure 17. This information helps determine the network
topology and gain blocks required ahead of the MC13150 to
achieve the desired sensitivity and dynamic range of the
receiver system. The PCB is laid out to accommodate a low
noise preamp followed by the 83.16 MHz SAW filter. In the
application circuit (Figure 15), the input 1.0 dB compression
point is –10 dBm and the input third order intercept (IP3)
performance of the system is approximately 0 dBm (see
Figure 18).
Typical Performance Over Temperature
Figures 19–26 show the device performance over
temperature.
Figure 17. Signal Levels versus
RF Input Signal Level
RF INPUT SIGNAL LEVEL (dBm)
–80
P
10
–70
–50
–40
–30
–20
–10
0
–70
–60
–50
–40
fRF = 50 MHz
fLO = 50.455 MHz; LO Level = –10 dBm
See Figure 15
IF Output
–60
Mixer Output
Limiter
Input
IF Input
Mixer
Input
RF Input
at Transformer
Input
–30
–20
–10
0
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