The mixer tag has no wiki summary.
4
votes
1answer
205 views
24GHz Radar : IF amplification and strange mixer output
I am currently working on a project where I have to study a microwave Doppler Radar.
Here are some details so that you can better understand it : a local oscillator (LO) at 24GHz is linked to an ...
0
votes
2answers
195 views
Simulate Headphone Load
I'm working on a low power (portable) audio mixing console, fed by audio signals from MP3-Players and mobile phones.
There should be an option to monitor the sound, but as soon as I route one sound ...
1
vote
1answer
171 views
What variable-IF tuner IC can I use for UHF applications?
What. I'd like to build a multi-channel tuner that will pick up, say, two [known] channels, one at 156.3 Mhz that's 50 Khz wide, and one at 855 Mhz that's 25 Khz wide. Demodulation will be done in a ...
6
votes
3answers
524 views
HDMI Mixer/Blender/Superimposer-Chip (2 to 1) wanted
Is there a chip on the market which can overlay one HDMI-input over another ?
Chip should have 2 * HDMI -IN and 1 * HDMI-OUT
HDMI-IN-1 connected with Sat-receiver or other TV-Source
HDMI-IN-2 ...
3
votes
1answer
260 views
Switching Mixers for LO frequency= 4.25Ghz
I want to upconvert a square pulse of 250 Mhz bandwidth(250Mhz is the value of the first zero of the sinc ) to a center frequency of 4.25 Ghz , so that the spread becomes from 4Ghz to 4.5 Ghz.
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3
votes
1answer
719 views
Difference between Inphase/Quadrature (I/Q) Mixer and I/Q Demodulator
I wanted to know the primary difference between an Inphase/Quadrature (I/Q) Demodulator and an I/Q Mixer.
My requirements are as follows:
My input signal is a 500 Mhz bandwidth signal centred around ...
3
votes
2answers
2k views
Algorithm for mixing 2 axis analog input to control a differential motor drive
I am looking for information about how to implement proper mixing of 2 analog joystick signals (X an Y axis) to control a dual differential motor drive ("tank like" drive) using a uC (ATMega328p in my ...
6
votes
1answer
2k views
How do those 3.5mm stereo to mono adapters work?
I have one of those 3.5mm Female Mini-phone mono to Mini-phone stereo which I was hoping to use for connecting the output of an MP3 player (stereo) to a pillow speaker (mono).
But then it occurred to ...
2
votes
1answer
370 views
Measuring Frequency Shift
A previous question on doppler shift velocity sensor make me ask this question. @Chris_stattron provided an insight but I was too curious to leave it at that comment hence the question.
Assume, I am ...
