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Duplexer TES 28-37-02a, US $650.00 – Picture 0
Duplexer TES 28-37-02a, US $650.00 – Picture 1
Duplexer TES 28-37-02a, US $650.00 – Picture 0
Duplexer TES 28-37-02a, US $650.00 – Picture 1

Duplexer Tes 28-37-02a

US $650.00

  • Marietta, Ohio, United States
  • Jun 9th
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 Description 144-174 MHz, Duplexer TES Duplexer is a 3-port device most commonly used to allow a transmitter and receiver, operating on different frequencies, to share a common antenna while operating simultaneously.TES filters that make up the duplexer isolate the transmitter from the receiver by doing two important functions - the most important is filtering out any transmitter noise sidebands that are being generated on the receive frequency. The second function is protecting the receiver from transmitter carrier overload. The amount of isolation necessary is dependent upon the TX to RX frequency spacing. As the frequencies get closer, a higher value of isolation is required. At high-band VHF, the TX RX Vari-Notch design is the most commonly used. Vari-Notch provides a low-loss pseudo-bandpass characteristic that can exist very close to a deep notch. Proven low-loss and low-noise construction techniques are used such as welded cavity construction; silver- plated loops, Alballoy- plated integrated loop plates and connectors; as well as a unique fingerstock-free high-conductivity silver- plated tuning probe. Our 4 inch and 6.625 inch diameter cavities are constructed of hardened aluminum which, unlike most copper cavities, resists denting and associated detuning. TX RX Systems offers a wide variety of Duplexer options to suit your application, including Vari-Notch, Bandpass, and notch type circuits Vari-Notch design provides low loss and high isolation in a compact package All high RF-current components silver-plated for highest performance Various models to choose from to match your application
“Minor corrosion on connectors. Needs some light cleaning.”
Brand Vari-Notch Duplexer
MPN 37115-A1
Model Tes 28-37-02A

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