QPC2511

2.0 to 11.0 GHz High Power GaN SP3T Switch

Data Sheet Rev B. June 08, 2020 | Subject to change without notice

21 of 25

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®

• VC High (1) = 0 V

• VC Low (0) = -22, -24, -26, -28 or -30 V

Bias Up Procedure

1. VC1 or VC2 set to 0 V (see Logic Table for RF Path)

2. VC1 or VC2 set to -30 V (see Logic Table for RF Path)

3. Apply RF signal to RF Input

Bias Up Down

1. Turn off RF supply

2. Turn VC1 or VC2 to 0 V

3. Turn VC1 or VC2 to 0 V

Logic Table (SP3T Truth Table)

RF Path

Operating Mode

State

VC1

VC2

RFC to RF1 ON

10 W RX

On-State (Insertion Loss), TX-S & TX-X = OFF

1

0

RFC to RF2/RF3 ON

30 W TX, S-Band and X-Band

On-State (Insertion Loss), RX = OFF

0

1

Application Circuit

Notes:

1.

This switch can be configured as a Single Pole, Single Throw (SPST) by terminating two unused RF switched ports with a 50

Ohm load.

2.

External components are not required.