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(yè)數(shù)： 9/20頁(yè)
文件大?。?/td> 705K
代理商： TH7111
TH7111
868/915MHz
FSK/FM/ASK Receiver
TH7111 Data Sheet
3901007111
Page 9 of 20
Nov. 2001
Rev. 005
T ec hnic al Data
Mode Configurations
ENRX
0
0
1
1
ENRO
0
1
0
1
Mode
SBY
RO only
ON
ON
Description
standby mode
only reference oscillator active
entire chip active
entire chip active
Note:
ENRX and ENRO are pulled down internally
Second Mixer Input
IN_MIX2V
SW_MIX2
0
0
1
Mode
External LO2
Ext. pull-down res. (15 k
)
N/C
double conversion with external LO2
single conversion
double conversion with internal LO2
LNA Gain Control
V
GAIN_LNA
< 0.8 V
> 1.4 V
Mode
HIGH GAIN
LOW GAIN
Description
LNA set to high gain by voltage at GAIN_LNA
LNA set to low gain by voltage at GAIN_LNA
Note:
hysteresis between gain modes to ensure stability
Absolute Maximum Ratings
Parameter
Symbol
V
cc
V
IN
P
imax
T
STG
ESD
Condition / Note
Min
0
0.3
40
Max
7.0
V
CC
+0.3
10
+125
Unit
V
V
dBm
°C
Supply voltage
nput voltage
nput RF level
Storage temperature
Electrostatic discharge
no damage
human body model,
MIL STD 833D
method 3015.7, all pins
except OUT_IFA
pin OUT_IFA
-500
500
+500
+250
V
V
Normal Operating Conditions
Parameter
Symbol
V
cc, DC
V
cc, SC
T
a
i
f
R
FSK
f
m
R
ASK
Condition
Min
2.5
3.3
40
800
±
5
Max
5.5
5.5
+85
930
±
120
40
15
80
Unit
V
V
C
MHz
kHz
kbit/s
kHz
kbit/s
Supply voltage for double conv.
Supply voltage for single conv.
Operating temperature
nput frequency
Frequency deviation
FSK data rate
FM bandwidth
ASK data rate
at FM or FSK
NRZ
NRZ
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