AN3021 データシートの表示（PDF） - M/A-COM Technology Solutions, Inc.

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AN3021

PIN Diodes for Microwave Switch Designs

M/A-COM Technology Solutions, Inc. 

AN3021

PIN Diodes for Microwave Switch Designs

Rev. V2

Table 1: Relative Switch Performance and Design Evaluation Matrix

Parameter

Insertion Loss

VSWR

Isolation

P1dB

Input IP3

RF Incident Power

RF Power Dissipation

Switching Speed

D.C. Power Consumption

PIN Diode Driver Design Simplicity

RF Design Simplicity

Cost

Overall Evaluation

Switch Design Configuration

Series Diodes Exclusive Shunt Diodes Exclusive Series-Shunt Diodes

Worst

Moderate

Best

Moderate

Worst

Best

Worst

Moderate

Best

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

Worst

Best

Moderate

Worst

Best

Moderate

Worst

Best

Moderate

Best (Single +5 V)

Moderate (+5 V, -5 V)

Worst (+5 V, -5 V)

Best (+5 V Only)

Moderate (+5 V, -5 V)

Moderate (+5 V, -5 V)

Best

Worst

Moderate

Best

Moderate

Moderate

34 Points

38 Points

40 Points

Notes:

 Evaluation based upon following grading : Best = 5 Points, Moderate = 3 Points, Worst = 1 Point. The higher

the score, the better the overall relative design advantage.

 Where there is No significant relative advantage, a “ Moderate ” weighting can be used.

Assumptions for SP2T Design:

 Design is a Reflective SP2T.

 (2) Diodes are used per RF port.

 Frequency Bandwidth is 3.0 : 1 maximum.

Conclusions:

The Series-Shunt Design is the Best in terms of Overall Switch Performance and value. Since each Design has

a specific advantage, the decision for a Switch Design Selection is determined by the Specific Design Priorities

for the requirement.

2

ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions

is considering for development. Performance is based on target specifications, simulated results,

and/or prototype measurements. Commitment to develop is not guaranteed.

PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology

• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400

• India Tel: +91.80.43537383

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Visit www.macomtech.com for additional data sheets and product information.

Solutions has under development. Performance is based on engineering tests. Specifications are

typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.

Commitment to produce in volume is not guaranteed.

M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make

changes to the product(s) or information contained herein without notice.

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