參數(shù)資料
型號(hào): TDA5100A
廠(chǎng)商: INFINEON TECHNOLOGIES AG
英文描述: ASK Transmitter 434 MHz
中文描述: ASK發(fā)射434兆赫
文件頁(yè)數(shù): 11/29頁(yè)
文件大小: 936K
代理商: TDA5100A
Functional Description
3 - 4
TDA 5100A
preliminary
Wireless Components
Specification, March 2001
5
DATA
Digital amplitude modulation can be
imparted to the Power Amplifier through this
pin.
A logic high (DATA > 1.5 V or open) enables
the Power Amplifier.
A logic low (DATA < 0.5 V)
disables the Power Amplifier.
6
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.
The clock output frequency is 3.39 MHz
when a crystal of 13.56 MHz is used.
7
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.
The resonance frequency of the crystal
should be 13.56 MHz to achieve an output
frequency of 434 MHz.
+1.2 V
90 k
5
50 pF
30 A
60 k
+1.1 V
6
300
6 k
7
100 A
V
S
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