Attenuators

The 01311 attenuator chip series is designed to achieve precision and tight flatness with an attenuation accuracy of ± 0.2 dB on our 1-10 dB pads and ± 0.3 dB on our 11-20 dB pads. SemiGen tests 100% of all attenuator chips prior to shipment to verify that they meet specifications.

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Attenuators

Part # Nominal Attenuation (dB) Part Number Nominal Attenuation (dB)
01311-01 1 01311-11 11
01311-02 2 01311-12 12
01311-03 3 01311-13 13
01311-04 4 01311-14 14
01311-05 5 01311-15 15
01311-06 6 01311-16 16
01311-07 7 01311-17 17
01311-08 8 01311-18 18
01311-09 9 01311-19 19
01311-10 10 01311-20 20

 

Fused Silica Dielectric

Die Size:

Length = .080”

Width =.100”

Thickness = .010”

Tolerance: Length & Width +/- .002”

Thickness +/- .0005”

 

Circuit Side

TaN

TiW 800Å

Au 120µ” min.

 

Back Side

TiW 800Å

Ni 1500Å

Au 120µ”

 

Attenuator and Attenuator Pad Details

Increment Values

1 dB to 20 dB in 1 dB increments. Higher values are available upon request

 

Substrate Material

The standard Attenuator is fabricated on quartz, however alumina and aluminum nitride substrates are also available upon request.

 

Film Stability

Less than 0.1% resistance change after 1000 hours at 125°C

 

Temperature Coefficient of Resistance

Less than ±100 ppm within the range of -55°C to +150°C

 

Power Handling Characteristics

1W CW at 70°C (Three 0.001 Au Wire Bonds, Each Conductor)

 

Features:

  • Excellent flatness and attenuation accuracy
  • Superior Power Handling
  • Metallization

Applications:

These ion beam etched thin film attenuators are an ideal solution for a wide range of applications including microwave radio, military subsystems, fiber optics, scientific instruments and sensor applications up to 28 GHz.

thin film attenuator

 

Thin Film Circuit Design Guidelines Provide Keys to Successful Layout of Ion Beam Etched Circuits
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Thin Film Circuit Design Guidelines Provide Keys to Successful Layout of Ion Beam Etched Circuits

Tech Brief Helps Make Critical Thin Film Manufacturing Decision
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Tech Brief Helps Make Critical Thin Film Manufacturing Decision

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