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Home > Standard Products > Attenuators

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. Ion Beam Milling tests 100% of all attenuator chips prior to shipment to verify that they meet specifications.

Fused Silica Dielectric
Die Size:
Length = .080
Width =.100
Thickness = .010

Tolerance:
Length & Width +/- .002
Thickness +/- .0005

Metalization

Circuit Side Back Side
TaN  TiW 800
TiW 800 Ni 1500
Au 120 min. Au 120

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 125C

Temperature Coefficient of Resistance
Less than 100 ppm within the range of -55C to +150C

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

Specifications

VSWR (Max)

D.C. to 12.4 GHz, 1.20:1

12.5 to 18.0 GHz, 1.30:1

18.1 to 26.5 GHz, 1.40:1

Frequency Flatness

(0.01 to 18 GHz)

1 to 10 dB +/- 0.2 dB

11 to 20 dB +/- 0.3 dB

Attenuation Accuracy

1 to 10dB, 0.2 dB

11 to 20 dB, 0.3 dB

Ordering Information

Part Number

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