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參數(shù)資料
| 型號： | LV2700V |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Spread Spectrum Communications IC(頻譜擴(kuò)展通訊芯片) |
| 中文描述： | 擴(kuò)頻通信集成電路（頻譜擴(kuò)展通訊芯片） |
| 文件頁數(shù)： | 7/20頁 |
| 文件大?。?/td> | 343K |
| 代理商： | LV2700V |
No. 5651-7/20
LV2700V
Pin No.
Pin
Pin voltage(V)
Pin function
Equivalent circuit
23
LPFIN
V7
Demodulated signal input (loop filter output) used
in reception.
Connect an external bias resistor.
24
RXPDOUT
V25
Pin 25 buffer output. Connect an external low-
pass filter between pins 23 and 24 if required.
25
RXLPF
1.5
Connection for the 236MHz PLL loop filter used in
reception.
26
LPFOUT
1.5
Control input for the 236MHz VCO. The LV2700V
includes a switch for selecting the loop filter
depending on the mode (transmission or
reception).
27
TX V
CC
Transmission power supply
28
VCOIN
1/2 V
CC
Input for the output from the 236MHz VCO.
Minimum input level: about –20 dBm
29
AGND
Analog system ground
30
TX RFOUT
1.3
Spread-spectrum RF output (in transmission
mode)
Spectrum
spreader
Continued on next page.
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