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8401 Series 4x4 Butler Matrix

A Weinschel Product

APITech's 8401 series is a high performance 4x4 Butler matrix, covering several frequency bands from 500 MHz up to 8GHz. It can transfer the signal reciprocally from any of 4 input ports to any of other 4 output ports, with high phase accuracy, amplitude balance, very small insertion loss and high port to port isolation. The unit has very stable, repeatable performance.

Features:

  • Nominal Impedance: 50 Ohm
  • RF Connectors: SMA Female
  • Operating Frequency: Varies by configuration

Applications:

  • WiFi, WiMAX, 3G/4G LTE Testing, Link Simulation
  • MIMO Testing
  • Multipath Simulation and Performance Evaluation
  • Antenna Array Beam-forming
  • Interferometer System Simulation and Testing

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Documents and Downloads

Specifications

Model Fmin (GHz) Fmax (GHz) Max I.L. (dB) Max VSWR Output Phase Accuracy (°) Pmax (dBm) Max Isolation (db)
8401 2.4 6.0 8 1.6:1 ±10° max at 4.2 GHz 37 15
8401-2 1.7 2.4 7 1.5:1 ±10° max at 2.05 GHz 37 20
8401-3 1.2 1.4 6.7 1.3:1 ±10° max at 1.3 GHz 30 25
8401-4 0.5 1.0 7 1.5:1 ±10° max at 0.75 GHz 37 18
8401E 2.4 7.25 8 1.6:1 ±6° max at 4.2 GHz 37 15
8401-5

0.7

1.7

3.2

1.7

3.2

6

7 typ / 11 max

7 typ / 11 max

7.5 typ / 11 max

1.4:1

1.6:1

2:1

 

±8° at 3.25 GHz

 

37

20

15

11

8401-6

Preliminary

 0.7 6.0

8 typ

9.4 max

1.5:1 typ

1.7:1 max

 ±8° at 5 GHz 37 17

 

Often used with: