參數(shù)資料
型號： AK2125
廠商： Electronic Theatre Controls, Inc.
英文描述： Receiver/ Demodulator for time code signals transmitted by the transmitter DCF77( Germany) ,MSF(UK), or WWVB(USA)
中文描述： 接收器/解調(diào)器的時間碼信號傳輸?shù)陌l(fā)射DCF77（德國），無國界醫(yī)生（英國），或WWVB（美國）
文件頁數(shù)： 5/6頁
文件大?。?/td> 97K
代理商： AK2125
2. Parameters
Refering to the test circuit with generator signal
f = 77500 Hz ± 5 Hz
pulse modulation of RF-signal from 100% to 25 %
during modulation time t = 200 ms,
V
CC
= 1.4 V ; V
PON
= 0 V ; T
a
= 25 °C
unless specified otherwise
min.
typ.
max.
unit
Supply voltage range
(+5 °C < T
a
< +55 °C)
1.2
1.4
2.2
V
supply voltage range
(-25 °C < T
a
< +85 °C)
1.4
2.2
V
current consumption
(normal operating)
600
1000
μA
current consumption ( Stand - by )
<1
10
μA
Switch current I
PON
( V
PON
= ground )
-15
-50
μA
Input voltage
3
100000
μV
Input impedance of the
RF amplifier
750
k
Input impedance of the
booster amplifier
95
k
Output impedance of the
RF segment ( A1 )
0.3
k
Output impedance of the
RF segment ( A2 )
7.5
k
Amplification RF segment A1
53
dB
Range of input voltage
booster amplifier
30
450
μV
Internal resistance of the
demodulator
70
k
Output voltage of the demodulator
200
mV
pp
Control time
for
V
i
= 0.1 mV - 1 mV
for
V
i
= 1 mV - 0.5 mV
0.8
5.0
s
s
Output pulse width
at transmitter pulse width =200 ms
for V
R
= 1.4 V, V
iE
= 3 μV
180
195
220
ms
4
09/00
AK2125
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