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參數(shù)資料
| 型號： | TH7120 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 300 to 930MHz FSK/FM/ASK Transceiver |
| 中文描述： | 300至930MHz FSK信號/調(diào)頻/調(diào)幅器 |
| 文件頁數(shù)： | 17/28頁 |
| 文件大?。?/td> | 718K |
| 代理商： | TH7120 |
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TH7120
300 to 930MHz
FSK/FM/ASK Transceiver
3901007120
Rev. 005
Page 17 of 28
Data Sheet
Jan. 2002
all parameters under normal operating conditions, unless otherwise stated;
typical values at T
a
= 23 °C and V
cc
= 3 V;
TE/SDTA=1, RE/SCLK=0, ASK/FSK=1, RPS
≥
15 k
, f
c
= 433.92 MHz, test circuit shown in Fig. 4 to 7
AC System Characteristics of the Receiver Part
all parameters under normal operating conditions, unless otherwise stated; all parameters based on test
circuits for FSK (Fig. 4 to 5), FM and ASK (Fig. 6 to 7), respectively; RF at 433.92 MHz
Parameter
Symbol
P
min_FSK
Condition
Min
Typ
-103
Max
Unit
dBm
Input sensitivity – FSK
B
IF
= 150kHz
f =
±
50 kHz (FSK/FM)
BER
≤
3
10
-3
B
IF
= 150kHz
BER
≤
3
10
-3
P
max_FSK_1
BER
≤
3
10
-3
V
GAIN_LNA
> 1.4 V
max_FSK_0
BER
≤
3
10
-3
V
GAIN_LNA
< 0.8 V
max_ASK_1
BER
≤
3
10
-3
V
GAIN_LNA
> 1.4 V
max_ASK_0
BER
≤
3
10
-3
V
GAIN_LNA
< 0.8 V
imag
block
f
block
>
±
2MHz, note 1
T
FSK
TE/SDTA=0,
RE/SCLK=1
valid data at output
T
ASK
depends on ASK de-
tector time constant and
start-up mode, valid
data at output
spur
Input sensitivity – ASK
P
min_ASK
-105
dBm
Maximum input signal – FSK/FM
at low gain
Maximum input signal – FSK/FM
at high gain
Maximum input signal – ASK
at low gain
Maximum input signal – ASK
at high gain
Image rejection
Blocking immunity
Start-up time – FSK/FM
10
dBm
-10
dBm
-20
dBm
0
dBm
TBD
TBD
dB
dB
ms
1
Start-up time – ASK
T
FSK
+
200K *
C6
ms
Spurious emission
Notes:
1. desired signal with FSK/FM or ASK modulation, CW blocking signal
-70
dBm
AC System Characteristics of the Transmitter Part
Parameter
Symbol
P
o
f
FSK
Condition
Min
4
±
5
Typ
6
±
50
Max
8
±
100
Unit
dBm
kHz
Output power
FSK deviation
CW mode
depends on C
x1
, C
x2
and
crystal parameter
Data rate FSK
FM deviation
R
FSK
f
FM
60
±
6
kbit/s
kHz
adjustable with varactor
and V
FM
Modulation frequency FM
Data rate ASK
PLL spurs emission
Harmonic emission
VCO gain
Charge pump current
Start-up time
f
mod
R
ASK
P
spur
P
harm
K
VCO
I
CP
T
TX
5
60
kHz
kbit/s
dBm
dBm
MHz/V
μA
ms
at all f
c
and nominal P
o
at all f
c
and power steps
-36
-36
-
35
260
from ”standby” to
“transmit” mode
1
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