directional coupler वाक्य
उदाहरण वाक्य
मोबाइल
- A second directional coupler, positioned near the collector, receives an amplified version of the input signal from the far end of the RF circuit.
- The signal is normally fed into the helix via a waveguide or electromagnetic coil placed at one end, forming a one-way signal path, a directional coupler.
- It follows that the energy and momentum flux in this wave field only becomes significant at extremely short wavelengths where directional coupler technology is currently lacking.
- Directional couplers are most frequently constructed from two coupled transmission lines set close enough together such that energy passing through one is coupled to the other.
- To set up the modem, unplug the coaxial cable from the back of your television's cable converter box and plug it into the directional coupler's single jack.
- The term " hybrid coupler " originally applied to coupled line directional couplers, that is, directional couplers in which the two outputs are each half the input power.
- The term " hybrid coupler " originally applied to coupled line directional couplers, that is, directional couplers in which the two outputs are each half the input power.
- This main line is electromagnetically coupled to two smaller sense lines ( directional couplers ) which are terminated with resistors at one end, and diode rectifiers at the other.
- Simons had originally patented a directional coupler, U . S . Patent 3, 048, 798, filed December 24, 1959, that had defined this key component for cable-based distribution of television.
- While two port networks are very common ( e . g ., amplifiers and filters ), other electrical networks such as directional couplers and circulators have more than 2 ports.
- A waveguide analogue of this coupled lines approach is the Bethe-hole directional coupler in which two parallel waveguides are stacked on top of each other and a hole provided for coupling.
- These problems could be overcome with the use of a directional coupler, but as explained in the previous section, a wideband design requires a filter design for directional couplers as well.
- For this reason stripline parallel coupled lines are used in directional couplers with a coupling factor no more than but power splitters ( coupling factor ) use a direct coupling technique.
- These problems could be overcome with the use of a directional coupler, but as explained in the previous section, a wideband design requires a filter design for directional couplers as well.
- At microwave frequencies, passive circuits such as filters, power dividers and directional couplers tend to be constructed as distributed element circuits in the same format as is used for the connecting transmission lines.
- The rx signal passes through the VHF directional coupler / power detector ( not used in rx ) to a lo-pass filter and then passes by 2 PIN diodes ( both HSU277 ).
- After receiving security clearance in December 1941, Bethe joined the MIT Radiation Laboratory, where he invented the Bethe-hole directional coupler, which is used in microwave waveguides such as those used in radar sets.
- Though, the losses are high for such slot structures, this scheme exploiting the asymmetric slots may have potential to design very compact optical directional couplers and polarization beam splitters for on-chip integrated optical devices.
- A " 70cm signal path " goes through a high pass filter network, through the RF directional coupler / power detector ( not on rx ) to a low pass filter to a PIN-diode.
- Isolation of a directional coupler can be defined as the difference in signal levels in dB between the input port and the isolated port when the two other ports are terminated by matched loads, or:
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