參數(shù)資料
型號(hào)： TH7111
廠商： Electronic Theatre Controls, Inc.
英文描述： FSK /FM/ASK Receiver
中文描述： FSK信號(hào)/調(diào)頻/ ASK接收機(jī)
文件頁數(shù)： 5/20頁
文件大?。?/td> 705K
代理商： TH7111
TH7111
868/915MHz
FSK/FM/ASK Receiver
TH7111 Data Sheet
3901007111
Page 5 of 20
Nov. 2001
Rev. 005
Pin Definition and Desc ription
Pin No.
Name
I/O Type
Functional Schematic
Description
1
VREF
analog
output
VREF
1
60k
reference voltage output,
approx. 1.23V
4
OUT_LNA
analog
output
LNA open-collector output,
to be connected to external
LC tank that resonates at RF
LNA input,
approx. 26
single-ended
ground of LNA core
(cascode)
42
IN_LNA
analog
input
2
VEE_LNAC
ground
OUT_LNA
4
5k
VEE_LNAC
2
IN_LNA
42
3
GAIN_LNA
analog
input
GAIN_LNA
3
400
LNA gain control (CMOS
input with hysteresis)
5
VEE_LNA
ground
LNA biasing ground
6
IN_MIX1
analog
input
IN_MIX1
6
500μA
13
13
MIX1 input, approx. 33
single-ended
7
CAP_MIX1
analog I/O
CAP_MIX1
7
330
40μA
connection for MIX1
blocking capacitor
8
VEE_MIX1
ground
MIX1 ground
9
IF1P
analog I/O
open-collector output, to be
connected to external LC
tank that resonates at first IF
10
IF1N
analog I/O
20p
20p
2x500μA
IF1P
9
VEE
VCC
VEE
IF1N
10
open-collector output, to be
connected to external LC
tank that resonates at first IF
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