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參數(shù)資料
| 型號(hào)： | FC1703 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Receiver RFIC for Dual-Band Triple Mode |
| 中文描述： | 射頻接收器的雙頻三模式 |
| 文件頁(yè)數(shù)： | 2/17頁(yè) |
| 文件大小： | 508K |
| 代理商： | FC1703 |
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FC1703
Receiver RFIC for Dual-Band Triple Mode
2 / 17
Last Update 03/28/03
F
uture
C
ommunications
I
ntegrated circuit Inc.
P
IN
D
ESCRIPTIONS
Pin
Function
Description
Note
1
PLNA_IN
High-Band RF Input. Requires a blocking capacitor which may be used
as part of the input matching network
2
RLNA
LNA Bias-Setting Resistor Connection
3
SEL1
Control Pin. See Truth Table for Mode Select Pin.
4
RCMIX
Cellular Mixer Bias-Setting Resistor Connection
5
CLNA_GND
Ground Reference for Cellular LNA. This pin should be connected to
GND through 0 ohm.
6
CLNA_IN
Low-Band RF Input. Requires a blocking capacitor which may be used
as part of the input matching network
7
CLNA_OUT
Low-Band LNA Output Port. Connect a pull-up inductor to Vcc and an
external series blocking capacitor which may be used as a part of the
output matching network
8
LO/2
LO Divider-Select Input. LOW disables LO divider, HIGH selects divider
in cellular and FM modes. See Truth Table for Mode Select Pin.
9
CMIX_GND
Ground Reference for Cellular Mixer. This pin should be connected to
GND through 0 ohm.
10
CMIX_IN
Low-Band Mixer Input. Requires a blocking capacitor which may be
used as part of the input matching network.
11
VDD_LO
Power Supply Pin for LO.
12
LO_IN
LO Input Port. Requires an external DC blocking capacitor.
13
LO_OUT
LO Buffer Output Port.
14
CDMA_IFB
Mixer IFB Output.
15
CDMA_IF
Mixer IF Output. Pin14 and 15 are matched at 50 ohm in EV Board. But
they can be matched at differential 1000ohm.
16
BufferEn
LO Output Buffer Enable. Drive BufferEn HIGH to power up the LO
output buffer associated with the selected band. See Truth Table for
Mode Select Pin.
17
FM_IFB
FM IFB Output
FM IF Output . Pin17 and 18 are matched at 50 ohm in EV Board. But
they can be matched at single-ended 850ohm
PCS Mixer Bias Setting Resistor Connection
18
FM_IF
19
RPMIX
20
SEL2
Control Pin. See Truth Table for Mode Select Pin.
21
PMIX_IN
High-Band Mixer Input. Requires a blocking capacitor which may be
used as part of the input matching network.
22
VDD
Power Supply Pin.
23
SEL3
Control Pin. See Truth Table for Mode Select Pin.
24
PLNA_OUT
High-Band LNA Output Port. Connect a pull-up inductor to Vcc and an
external series blocking capacitor which may be used as a part of the
output matching network
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