phase shifter subsystem - apitech

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The Electromagnetic Spectrum Innovator

DATA SHEET

1

CONTACT US

Phase Shifter Subsystem Model 8401 4 x 4 Butler Matrix

www.weinschel.apitech.com | 301.846.9222 | sales.weinschel@apitech.com | www.linkedin.com/company/api-technologies-corp-/

The 8401 Series butler matrix is a high performance 4x4 butler matrix, covering several frequency bands from 0.5 to 8GHz. It can transfer the signal reciprocally from any of 4 inputs ports to any of other 4 output ports, with high phase accuracy, amplitude balance, low insertion loss, and high port-to-port isolation.

Features• Compact, modular microstrip design and construction

• Phase shift is nominally balanced for equal phase shift over both frequency bands

• Custom frequency ranges and configurations are available. Please consult the factory

8401

8401-2

8401-3

8401-4

8401-5

8401-6

8401E

Fmin (GHz)

2.4

1.7

1.2

0.5

0.7 1.7 3.2

0.7

2.4

6.0

2.4

1.4

1.0

1.7 3.2 6

6.0

7.25

Fmax (GHz)

8

7

6.7

7

7 typ. / 11 max 7 typ. / 11 max

7.5 typ. / 11 max

8 typ 9.4 max

8

Max. Insert. Loss

(dB)

1.6:1

1.5:1

1.3:1

1.5:1

1.4:1 1.6:1 2:1

1.5:1 typ 1.7:1 max

1.6:1

Max.

VSWR

±10° max at 4.2 GHz

±10° max at 2.05 GHz

±10° max at 1.3 GHz

±10° max at 0.75 GHz

±8° at 3.25 GHz

±8° at 5 GHz

±6° max at 4.2 GHz

Output Phase Accuracy

(°)

37

37

30

37

37

37

37

RF Input Power (dBm)

15

20

25

18

20 15 11

17

15

Max. Isolation

(dB)

Impedance

Connectors

Weight

Temperature Range, Operating

50 Ohms

SMA (F) all ports

~200 gms

-20° to +70°C

Applications• WiFi, WiMAX, 4G/5G LTE Testing, Link Simulation

• MIMO Testing

• Multipath Simulation and Performance Evaluation

• Antenna Array Beam-forming

• Interferometer System Simulation and Testing

Description

PRELIMINARY

The Electromagnetic Spectrum Innovator

DATA SHEET

2APPROVED FOR PUBLIC RELEASE 111221ED www.weinschel.apitech.com | 301.846.9222 | sales.weinschel@apitech.com | www.linkedin.com/company/api-technologies-corp-/

Phase Shifter Subsystem Model 8401 4 x 4 Butler Matrix Mechanical Outline and Functional Block Diagram

Note: Dimensions are given in MM [inches].

1. Relative Phase Values indicated are measured at frequency listed in the “Output Phase Accuracy” column the table , relative to a 0° path.2. Phase values will vary with frequency and are dependent on the RF path.

A1

A2

A3

A4

Input B1 B3 B2 B4

-45

-135

-90

-180

-135

-225

0

-90

-90

0

-225

-135

-180

-90

-135

-45

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