HE752 Datasheet, PDF (1/1 Pages) BOWEI Integrated Circuits CO.,LTD. – 4-Bit Digital step Attenuators

BOWEI
BOWEI INTEGRATED CIRCUITS CO.,LTD.
HE752
4-Bit Digital step Attenuators
Features
●Frequency Range:20～200MHz
●Maximum attenuation:30dB
●Accurate attenuation
●Hermetic package DIP-14A
●Operating temperature range : -55℃ ～+85℃
Specifications( measured in a 50Ωsystem ,Vcc=±5V, TA=-55℃～+85℃)
Parameter
Symbol Unit Guaranteed Typical
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
±0.3(2,4,8dB) ±0.1
Accuracy
–
dB
±0 . 4 ( 1 6 d B)
±0.2
VSWR
VSWR –
Control voltage Vco
–
2.0:1
TTL
1.5:1
–
Switching speed _t
us
–
Ton
Control Current
Icc
mA
–
10
Typical Performance
Insertion Loss VS. Frequency
Ta=+85℃
-1
Ta=+25℃
-2
Ta=-55℃
-3
-4
10
100
200
Frequency(MHz)
VSWR VS. Frequency
1.8
1.6
1.4
1.2
1.0
10
VSWRo
VSWRi
100
200
Frequency(MHz)
Attenuation VS. Frequency
0
2dB
4dB
8dB
10
16dB
20
30
30dB
10
100
200
Frequency(MHz)
Absolute Maximum Ratings
DC Supply: +6VDC
Input Power:+20dBm
Storage Temp:+125℃
8 7 6 5 4 3 21
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 Connection
PIN Function
2
2dB
3
4dB
5 8dB
6 ^16dB
PIN
4
14
8
9-13
1,7
Function
VCC
RFi
RFo
GND
N/C
HEXXX
● TEL:[phone] 87091887 ● FAX:[phone] ● http://www.cn-bowei.com ● E-mail:[e-mail]
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