MA4PBL Просмотр технического описания (PDF) - M/A-COM Technology Solutions, Inc.

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MA4PBL

PIN Diodes for Microwave Switch Designs

M/A-COM Technology Solutions, Inc. 

AN3021

PIN Diodes for Microwave Switch Designs

Rev. V2

Schematic 5: SP2T Series-Shunt, 40 dB Isolation Design with +5 V Supply

+5V

+5V

J1

+5V

+5V

+5V

330 Ω

B3 Series

Bias

330 Ω

B2 Series

Bias

330 Ω

SN7406

Open Collector

+ 5V TTL Driver

SN7406

Open Collector

+ 5V TTL Driver

B0

J3

Voltage

J2

B3 Shunt

B2 Shunt

Bias

Bias

+5V

+5V

330 Ω

+5V

+5V

330 Ω

SN7406

Open Collector

+ 5V TTL Driver

SN7406

Open Collector

+ 5V TTL Driver

Schematic 5: D.C. Bias to RF Truth Table

RF State

B2 Series Bias B2 Shunt Bias B3 Series Bias

J1-J2 Low Loss &

J1-J3 Isolation

J1-J3 Low Loss &

J1-J2 Isolation

+0.5 V @ 11 mA

+1.4 V @ +11 mA

(To J2 Shunt Diode)

+5 V @ 0 mA

+0.5 V @ +11 mA

+1.4 V @ +11 mA

(To J3 Shunt Diode)

+0.5 V @ +10 mA

Notes:

1. Forward Bias Diode ∆Vf @ 10 mA ~ +0.9 V

2. Reverse Bias Series Diode = (+1.4 V - +1.4 V) = 0 V

3. Reverse Bias Shunt Diode = (+0.5 V - +5.0 V) = -4.5 V

B3 Shunt Bias

+0.5 V @ +11 mA

+5 V @ 0 mA

B0 Voltage

+1.4 V

+1.4 V

9

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

• China Tel: +86.21.2407.1588

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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