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參數(shù)資料
| 型號： | TDK5100 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | ASK/FSK Transmitter 868/433 MHz |
| 中文描述： | 詢價(jià)/ FSK發(fā)射器433分之868兆赫 |
| 文件頁數(shù)： | 11/40頁 |
| 文件大?。?/td> | 629K |
| 代理商： | TDK5100 |
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Functional Description
2 - 5
TDK 5100
Wireless Components
Specification, October 2002
8
CLKOUT
Clock output to supply an external device.
An external pull-up resistor has to be added
in accordance to the driving requirements of
the external device.
A clock frequency of 3.39 MHz is selected
by a logic low at CLKDIV input (pin9).
A clock frequency of 847.5 kHz is selected
by a logic high at CLKDIV input (pin9).
9
CLKDIV
This pin is used to select the desired clock
division rate for the CLKOUT signal.
A logic low (CLKDIV < 0.2 V) applied to this
pin selects the 3.39 MHz output signal at
CLKOUT (pin 8).
A logic high (CLKDIV open) applied to this
pin selects the 847.5 kHz output signal at
CLKOUT (pin 8).
10
COSC
This pin is connected to the reference oscil-
lator circuit.
The reference oscillator is working as a neg-
ative impedance converter. It presents a
negative resistance in series to an induc-
tance at the COSC pin.
11
FSKOUT
This pin is connected to a switch to
FSKGND (pin 12).
The switch is closed when the signal at
FSKDTA (pin 7) is in a logic low state.
The switch is open when the signal at
FSKDTA (pin 7) is in a logic high state.
FSKOUT can switch an additional capacitor
to the reference crystal network to pull the
crystal frequency by an amount resulting in
the desired FSK frequency shift of the trans-
mitter output frequency.
12
FSKGND
Ground connection for FSK modulation out-
put FSKOUT.
8
300
V
S
+1.2 V
60 k
9
5
μ
A
60 k
+0.8 V
V
S
V
S
6 k
10
100
μ
A
V
S
V
S
V
S
200 μA
1.5 k
11
12
V
S
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| TDK5100F | 功能描述:射頻接收器 2.1-4 V ASK/FSK Transmitter IC RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
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