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S^3

Replies: 2
Views: 6854

Forum: Questions Related to Antenna Theory   Posted: Sat Apr 16, 2016 6:20 pm   Subject: No you shouldn't
I assume you have something similar to

http://www.ebay.com/itm/150MILES-OUTDOOR-TV-ANTENNA-MOTORIZED-AMPLIFIED-HDTV-HIGH-GAIN-36dB-UHF-VHF-/110940583801?hash=item19d492f779:g-YAAOSweW5VcnL~

A ...
S^3

Replies: 1
Views: 6513

Forum: Questions Related to Antenna Theory   Posted: Mon Apr 04, 2016 8:52 pm   Subject: Flat (planar) parabolic gain vs Dish gain?
In a Yagi the reflected signal is added to the signal transmitted by the Tx element using thereby the component which would have been wasted behind the TX element.

So the TX element transmits the ...
Topic: SWR and Peak Gain
S^3

Replies: 6
Views: 10643

Forum: Questions Related to Antenna Theory   Posted: Mon Apr 04, 2016 8:24 pm   Subject: SWR and Peak Gain
@ Sekutma,
Antenna gain is related to the directivity of antenna in the required direction. VSWR is related to Return Loss and is a function of input matching with the circuitry near the input ( e.g. ...
Topic: Cellphone Transmit power
S^3

Replies: 2
Views: 6565

Forum: Questions Related to Antenna Theory   Posted: Mon Apr 04, 2016 7:53 pm   Subject: Cellphone Transmit power

That means the tower sends the requirement of TX level to each phone.

There are several protests ( I have no idea of US , but in India ) to reduce the Tx power from towers to reduc ...
Topic: Cellphone Transmit power
S^3

Replies: 2
Views: 6565

Forum: Questions Related to Antenna Theory   Posted: Fri Apr 01, 2016 3:43 am   Subject: Cellphone Transmit power
Gone through Cellphone Tower Radiation Article.
Real wealth of information in simple terms.
A small querry :
Cellphone adjusts output power based on tower distance. How?

1. Open loop .. cellph ...

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