Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

power level at the input of a TV tuner or radio receiv [hlp]

Status
Not open for further replies.
N

No one

Full Member level 5
Joined
May 11, 2005
Messages
287
Helped
4
Reputation
8
Reaction score
2
Trophy points
1,298
Activity points
3,425
Hello everyone;
I have a question:

What is the power level at the input of a TV VHF/UHF tuner and/or a radio receiver? Please introduce me any book/paper/link.
 

Re: power level at the input of a TV tuner or radio receiv [

Input power level is not a constant. TV and FM receivers are build for wide dinamic range of input signal level.
Usual minimum antenna level for TV is about 40dBµ and can be as high as 10mV on 75 ohm.
FM receivers have sensitivity about 2µV for mono reception and 50µV for stereo.
On cable TV antenna level is about 60dBµ or more.
 

    N

    No one

    Points: 2
    Helpful Answer Positive Rating
Re: power level at the input of a TV tuner or radio receiv [

Hello Borber;
What is dBu? Can you express your units in dBm?
 

Re: power level at the input of a TV tuner or radio receiv [

dBµ is logarithm of voltage ratio in respect to 1µV. Conversion between is approximately 0dBµ=-107dBm.

AdBµ=20*log(V/1µV)
 

    N

    No one

    Points: 2
    Helpful Answer Positive Rating
Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top