Sigmaplus Inc. 17838, Charles Munro, Pierrefonds, Quebec, Canada, H9J 3V1

E-mail: info@sigmaplus.ca; Tel: 514-620-3877

 

 

Because of each subsystem has its own specificity, all our subsystems products are custom-designs. We show here only examples of our capability. For more information please contact the company.

Filter, Diplexer LNA, Couplers, alarm system, sub assembly

layout and block diagram of CDMA RF hardware Consisting of  800 MHz A Band and B Band Duplexer and low noise amplifier (LNA) modules which are constrained to operate within the 800 CDMA base station system in the Flexible Module (FRM) (MFRM SFRMs). To the complete spec and the performance of this module in PDF format click on the drawings.

Waveguide output assembly

Electrical characteristics

  • Frequency range:           14- 14.5 GHz

  • Insertion loss:                 0.5 dB max

  • Input/ Output VSWR:    1.20:1 max

  • Rejection:                         55 dB min at 28.0-29.0 GHz

  • Coupling:                        40 dB ± 1 dB max

  • Coupling flatness :          ± 0.5 dB max

  • Directivity:                      20 dB min

  • Power handling:             50 Watts (C.W.) min

  • Temperature:                  -30 deg C to +45 deg C

  • Humidity:                         0 - 100 % RH

Mechanical Characteristics:

  • Interfaces: FUBR-120/WR75 Cover

  • Connectors: Passivated stainless steel

  • weight: 1.17 KG

Other bands of frequency and configurationare also available contact us for more detail.

 

Antenna Coupling Units

Electrical Characteristics:

  • Frequency Band: 17.7 -18.7

  • T/R spacing: 120, 500 MHz

  • Transmit Branching Bandwidth (R.L.): 65 MHz Min.

  • Recieve Branch Bandwidth: (R.L.):  65 MHz Min.

Mechanical Characteristics:

  • ANT port: UG-596A/U

  • Tx port: SMA-M

  • Rx port: SMA-M

wide band and other bands of frequency are also available contact us for more detail

Manifold assembly

  • Frequency range    14 -15 GHz

  • ANT port:             WR- UG-541/U BUTT

  • Tx port :                SMA-F

  • Rx port:                 SMA-F

  • Frequency range:         5.925 to 6.425 GHz

  • Channel BW:                36 MHz

  • Channel separation:       80 MHz

  • Diplexer configuration:

    • Port 1 to 3: Fo ±  8MHz

    • Port 2 to 3: All frequencies within 5.925-6.425 GHz except Fo ± 62 MHz

  • Passband loss

    • Port 1 to 3:  0.35 dB at Fo; 0.4 at Fo ± 18 MHz

    • Port 2 to 3:  0.15 dB over passband except 0.25  dB from Fo ± 62 MHz to Fo ± 80 MHz

  • Return loss; ports 1&2 : 26 dB Max over  Fo ± 18 MHz

  • Isolation;  5.925 - 6.425 GHz;  port 1 to 2: 

    • 23 dB min at Fo ± 8 MHz

    • 45 dB min at Fo± 62 MHz

  • Group delay variation: 

    • Port 1 to 3: 4.5 nS at  Fo ±  8MHz

  • Power Handling: 

    • Port 1 to 3:   3000 W C.W.

    • Port 2 to 3:   3500 W C.W.

  • Interface: CPR137 Grooved

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Couplers

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power dividers

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Misc