P35-4307-000-200
Marconi Optical Components
5 Bit Digital Attenuator
DC - 16GHz
Features
路
路
路
路
路
Broadband DC - 16GHz
Low insertion loss; 3dB typ at 8GHz
Attenuation 0.5dB steps to 15.5dB
Fast switching speed
Through GaAs vias for improved performance
Description
The P35-4307-000-200 is a high performance broadband Gallium Arsenide monolithic 5 bit digital attenuator offering an
attenuation range of 15.5dB in 0.5dB steps. It is suitable for use in broadband communications, instrumentation and
electronic warfare applications. The attenuator is controlled by the application of complimentary 0V/-5V or 0/-8V signals to
the control lines in accordance with the truth tables below. The full attenuation range is achieved by modifying the control
lines in combination.
The die is fabricated using MOC's 0.5碌m gate length MESFET process (S20). It is fully protected using Silicon Nitride
passivation for excellent performance and reliability.
Electrical Performance
Ambient temperature = 22鹵3擄C , ZO = 50鈩? Control voltages = 0V/-5V unless otherwise stated
Parameter
Insertion Loss1
(reference state)
Attenuation Range
Step Size
Attenuation Accuracy
Input Return Loss2
Output Return Loss2
Switching Speed
Conditions
50MHz - 8GHz
8GHz - 16GHz
50MHz - 16GHz
50MHz - 16GHz
50MHz - 8GHz
8GHz - 16GHz
50MHz - 16GHz
50MHz - 16GHz
50% Control to1 0% or 90%RF
Min
-
-
-
-
-
-
12
15
-
Typ
3
4
15.5
0.5
-
-
20
25
5
Max
3.5
4.5
-
-
鹵0.2 鹵3%
鹵0.3 鹵10%
-
-
10
Units
dB
Db
dB
dB
dB
dB
dB
dB
nS
Notes
1. Insertion Loss measured in low loss state.
Return Loss measured in low loss switch state.
1
2
3
4
