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BOWEI
BOWEI INTEGRATED CIRCUITS CO.,LTD.
HE892/HEM892
Voltage Variable Attenuators
Features
●Thin film coustraction ●Hermetic package ●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 20~1000
–
Attenuation(Max) AMax dB
40.0
–
Insertion loss
IL
dB
2.8
2.5
VSWR of input/output VSWR –
1.8:1
1.5:1
VSWR of output VSWR V
1.8:1
1.5:1
DC Current
ICC
mA
–
10
Control voltage/Current VCO/ ICO V/mA
–
0~7/0~10
Absolute Maximum Ratings
DC Supply: +7VDC Input Power:+23dBm
1
4
2
3
Storage Temp:+125℃
TO-8A-1
1
2 HEMXXX 4
Lot number
3
SMO-8C
Application Notes
1.Functional schematic shown as following,which include an internal coupling capacitor.
2.