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參數(shù)資料
| 型號(hào)： | TH7108 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 868/915MHz ASK Transmitter / LO Source |
| 中文描述： | 868/915MHz ASK發(fā)射/勞源 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 212K |
| 代理商： | TH7108 |
TH71082
868/915MHz
ASK Transmitter / LO Source
TH71082 Data Sheet
3901071082
Page 6 of 10
Dec. 2001
Rev. 004
AC Characteristics
all parameters under normal operating conditions, unless otherwise stated;
typical values at T
a
= 23 °C and V
cc
= 3 V;
ENTX = 1, V
PS
= 1.1V, f
c
= 868.3 MHz, test circuit shown in Fig. 2
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Output power
FM deviation
P
o
f
FM
-4
±
6
dBm
kHz
adjustable with
varactor and V
FM
Modulation frequency FM
Data rate ASK
Reference spurs
f
mod
R
ASK
P
ref
P
harm
P
off
PN
5
40
-44
kHz
kbit/s
dBm
@ f
c
±
f
ref
@ 2f
c
, 3f
c
, 4f
c
V
PS
≤
0.1V
@ f
c
±
500kHz
Harmonic content
Spurious output signal
-40
-60
dBm
dBm
Phase noise
-87
dBc/Hz
VCO gain
Charge pump current
K
VCO
I
CP
V
CKOUT
t
on
300
±
260
2
MHz/V
μA
Clock voltage swing
Start-up time
C
load
= 5pF
from ”all OFF” to any
other mode
V
pp
ms
0.9
Output Power Selection
typical values at T
a
= 23 °C and V
cc
= 3 V:
ENTX = 1, f
c
= 868.3 MHz, test circuit shown in Fig. 2
R1 / k
0
R2 / k
V
PS
/ V
≥
2
I
cc
/ mA
12.5
P
o
/ dBm
-2
P
harm
/ dBm
≤
-40
7.5
11
15
24
43
4.7
4.7
4.7
4.7
4.7
1.1
0.9
0.7
0.5
0.3
9.5
-5
≤
-40
8.5
-8
≤
-40
7.8
-11
≤
-45
7.0
-15
≤
-45
6.2
-18
≤
-50
If the transmitter is operated at any supply voltage V
cc
,
the values for R
1
and R
2
can be calculated as allows:
=
1
2
1
PS
cc
V
V
R
R
Crystal Parameter
Parameter
Symbol
Condition
Min
Max
Unit
Crystal frequency
Load capacitance
Static capacitance
Resonance resistance
f
crystal
C
load
C
0
R
m
a
spur
fundamental mode, AT
25
10
29
15
7
40
MHz
pF
pF
dB
Spurious response
-10
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|---|---|
| TH71081 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:868/915MHz ASK Transmitter / LO Source |
| TH71081EDC | 功能描述:IC XMITTER/LO SOURCE 8-SOIC RoHS:否 類別:RF/IF 和 RFID >> RF 發(fā)射器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- 頻率:310MHz ~ 440MHz 應(yīng)用:- 調(diào)制或協(xié)議:UHF，ASK 數(shù)據(jù)傳輸率 - 最大:20 kBaud 功率 - 輸出:1dBm ~ 5dBm 電流 - 傳輸:10mA 數(shù)據(jù)接口:PCB，表面貼裝 天線連接器:PCB，表面貼裝 存儲(chǔ)容量:- 特點(diǎn):- 電源電壓:2.2 V ~ 4 V 工作溫度:-40°C ~ 85°C 封裝/外殼:16-LSSOP（0.154"，3.90mm 寬） 包裝:帶卷 (TR) |
| TH71082 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:868/915MHz ASK Transmitter / LO Source |
| TH7108EFC | 功能描述:IC XMITTER 868/915MHZ 16-SSOP RoHS:否 類別:RF/IF 和 RFID >> RF 發(fā)射器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- 頻率:310MHz ~ 440MHz 應(yīng)用:- 調(diào)制或協(xié)議:UHF，ASK 數(shù)據(jù)傳輸率 - 最大:20 kBaud 功率 - 輸出:1dBm ~ 5dBm 電流 - 傳輸:10mA 數(shù)據(jù)接口:PCB，表面貼裝 天線連接器:PCB，表面貼裝 存儲(chǔ)容量:- 特點(diǎn):- 電源電壓:2.2 V ~ 4 V 工作溫度:-40°C ~ 85°C 封裝/外殼:16-LSSOP（0.154"，3.90mm 寬） 包裝:帶卷 (TR) |
| TH711 | 制造商:Glenair Inc 功能描述: |
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