BOWEI HE754

HE754
B O WEI
6-Bit Digital Step Attenuators
BOWEI INTEGRATED CIRCUITS CO.,LTD.
Typical Performance
Insertion Loss VS. Frequency
0
Ta=+85℃
Ta=+25℃
Ta=-55℃
I . L(dB)
-1
Features
Range:200~2000MHz
attenuation:31. 5dB,step:0.5dB
●Accurate attenuation
●Hermetic package DIP-16
●Operating temperature range : -55℃ ~+85℃
●Frequency
-3
●Maximum
Frequency(MHz)
Attenuation VS. Frequency
Broadband
fO
MHz
△f
MHz
Typical
Guaranteed
–
200~2500
200
100
Insertion loss
I. L
dB
2~5
–
Attenuation step
Att
0. 5
–
VSWR
dB
–
–
dB
VSWR
2.0:1
1.5:1
±0.3(0.5 1 2 4 dB)
–
±0.5(8 16 )
31 .5±0.5
31.5±1.0
Attenuation
Accuracy
Attenuation(Max)
AMax
dB
Control voltage
–
–
TTL
–
Control Current
Icc
mA
110
–
0.5dB
1dB
8
7
6
5
4
3
2
1
9
10
11
12
13
14
15
16
DIP - 16
2dB
4dB
8dB
10
15
16dB
20
25
30
31.5dB
35
1250
1450
1350
Frequency(MHz)
VSWR VS . Frequency
VSWRo
2.2
Absolute Maximum Ratings
DC Supply: +6VDC
Input Power:+20dBm
Storage Temp:+125℃
5
Attenuation(dB)
Frequency Range
Unit
0
VSWR
Symbol
1450
1350
1250
Specifications( measured in a 50Ωsystem ,Vcc=±5V, TA=-55℃~+85℃)
Parameter
-2
VSWRi
1.8
1.4
1250
1450
1350
Frequency(MHz)
HEXXX
Application Notes
PIN Connection
PIN Function
16dB
1
8dB
2
+
5V
3
4dB
4
2dB
5
-5V
6
6.Please add power first when use,make sure control port contact with low level
1 . Specificed frequency rang, attenuation
Packages are available
2 . Interexchangable input and output ports
3 . Logic 0:Insertion Loss ; Logic 1:Attenuation
4 . Custom attenuation is available
5.ESD observe handing precautions
PIN
Function
7
1 . 0dB
8
0 . 5dB
Input
9
16
Output
10~15
Gnd
● TEL:+86-311-87091891 87091887 ● FAX:+86-311-87091282 ● http://www.cn-bowei.com ● E-mail:cjian@cn-bowei.com
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