BOWEI HE752

HE752
B O WEI
4-Bit Digital step Attenuators
BOWEI INTEGRATED CIRCUITS CO.,LTD.
Typical Performance
I . L(dB)
Insertion Loss VS. Frequency
Features
Range:20~200MHz
●Maximum attenuation:30dB
●Accurate attenuation
●Hermetic package DIP-14A
●Operating temperature range : -55℃ ~+85℃
Ta=+85℃
Ta=+25℃
Ta=-55℃
-1
-2
-3
-4
●Frequency
100
10
Frequency(MHz)
VSWR VS. Frequency
Specifications( measured in a 50Ωsystem ,Vcc=±5V, TA=-55℃~+85℃)
Unit
Typical
Guaranteed
Frequency Range
fL~fH
MHz
20~200
15~200
Insertion loss
I.L
dB
4.0
3.0
Attenuation Range
A
dB
30.0±2 .0
30 .0±0.8
Attenuation step
Att
dB
2
2
Attenuation
Accuracy
–
dB
VSWR
–
2.0:1
1.5:1
V co
–
TTL
–
Switching speed
T on
t
us
–
1.2(Ton)
1.2(Toff)
Control Current
Icc
mA
–
10
VSWR
Control voltage
VSWRi
1.4
1.2
1.0
10
200
100
Frequency(MHz)
Attenuation VS. Frequency
0
±0.3(2,4,8 dB) ±0.1
±0.2
±0.4(16 dB)
2dB
4dB
8dB
10
16dB
20
30
30dB
200
100
10
Frequency(MHz)
Absolute Maximum Ratings
DC Supply: +6VDC
Input Power:+20dBm
Storage Temp:+125℃
VSWRo
1.6
Attenuation(dB)
Symbol
VSWR
1.8
Parameter
200
PIN Connection
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
DIP-16
Application Notes
1 . Specificed frequency rang,attenuation
packages are available
2 . Interexchangable input and output ports
3 . Logic 0:Insertion Loss ; Logic 1:Attenuation
4 . Specified attenuation step (3,6,12,24dB) is available
5.ESD observe handing precautions
6.Please add power first when use,make sure control port
contact with low level
PIN Function
2
3
5
6
PIN
Function
2dB
4
V CC
4dB
14
RFi
8dB
8
RFo
9-13
GND
1, 7
N/C
16dB
HEXXX
● TEL:+86-311-87091891 87091887 ● FAX:+86-311-87091282 ● http://www.cn-bowei.com ● E-mail:[email protected]com
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