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Hybrid coupler

A 3dB 90 degree hybrid coupler is a crucial component in RF and microwave systems, designed to split or combine signals with equal power distribution while maintaining a specific phase relationship. It operates by utilizing the principles of constructive and destructive interference, making it ideal for applications such as antenna feeds, balanced amplifiers, and signal distribution networks.

3db 90 degree hybrid coupler:

APPLICATIONS

  • Low Insertion Loss For Precision GNSS Antenna

  • PCS/DCS

  • Balanced    Amplifiers 

  • Small   Cell   &Pico

Features

1.Low Insertion Loss 0.3dB typ based on PTFE                                                                      

2.High   Isolation,25   dB  typ.

3.Compliance(Pb-Free)&Small      Size      6.35X5.08X1.5mm³ 

4.Excellent  high-power capacity  up to average 30 watts

5.RoHS     compliance(Pb-Free)

The XTAL0900M03 is a low cost,high performance 3 dB coupler in an easyuse surface mount package.The XTAL0900M03 is ideal for balanced power and low noise amplifiers,plus signal distribution and other applications where low insertion loss and tight amplitude and phase balance are required XTAL0900M03 is constructed from ceramic flled PTFE composites which possess excellent electrical and mechanical stability.All components are 100%RF tested.

Characteristics

 

ltem

Min

Type.@25℃

Max

Unit

Frequency Range

700


1100 MHz


Isolation

18

25


dB

Insertion Loss


0.35

0.6

dB

Phase Unbalance

-3

2

+3

degrees

Amplitude

-0.35

0.2

+0.35

dB

VSWR(:1)


1.20

1.35

:1

Operating Temp.

-55


+105

Power



30

W

1)All  the  above  data  are  based  on  specified  demo  board  and  tested   in  25°environment.

The XTAL0900M03 port configurationsdepending on how input signals are split.The Case 1,Case 2,Case 3,andCase 4 configuratons mean that one input signal is split into two output signals.When port 1 is defined,theother ports are defined automatically

Configurations
Port1Port2Port3Port4
Case1InputIsolatedOutput -3db, -90 degreeCoupling, -3db, 0 degree
Case2IsolatedInputCoupling  -3db, 0 degreeOutput -3db, -90 degree
Case3Output -3db, -90 degreeCoupling  -3db, 0 degreeInputIsolated
Case4Coupling  -3db, 0 degreeOutput -3db, -90 degreeIsolatedInput

Drawing size

3db hybrid coupler.jpg

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