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Questions tagged [aviation-electronics]

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53 views

How do I calculate the position of a piston in percentage from the significant bits?

I have a ARINC label with 12 bits. This label is connected to a solenoid valve that is commanded to open partially or completely. If I get a feedback for bits set to 1 (significant bits). How do I ...
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0answers
68 views

About drift in yaw angle calculated by mahony filter

I have applied mahony filter using raw data from vector nav vn100 sensor and compare Euler angles estimated by mahony with those from vector nav vn100 which are computed by kalman filter. The ...
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3answers
161 views

What is the logic of running a NiMH battery in charge-discharge cycles everyday?

I have an 1500 mAh NiMH battery for powering a 2250 kV motor and four 9g servos for my radio controlled plane. I had bought the battery 8 months back and I had used it to fly my plane which drained ...
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1answer
54 views

AM modulation depth and phase addition [duplicate]

What does it mean when we say signal is 20% modulated or 40% modulated? Need detailed explanation. Also i want to know what happens when signal is overmodulated?
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0answers
93 views

Why would venting an engine create a negative amperage on a generator?

I'm writing simulation software for a civilian helicopter. The helicopter has two engines and two generators. Normally, we calculate the amperage reading of a generator through Ohms. I = W / V. ...
1
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1answer
181 views

How to interpret the static voltage susceptibility table?

What does the range actually indicate? Does it tell the range of operation of these devices or the range in which the devices can perform optimally given an external polarizing field. correct me if i'...
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3answers
231 views

How circuit works?

what is the need of Q18 transistor in this circit.
8
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2answers
29k views

Longest range remote control

I would like to make a long range (5Km) quadcopter. As of right now, I'm just trying to find out the best way to control it. I know that there are some 5Km R/C transmitters but they are the size of ...
3
votes
2answers
106 views

What type of electronic hardware is best suited for high temperature applications?

What type of electronic hardware is best suited for high temperatures, roughly 200°C? From what I've discovered, most FPGAs, microprocessors, and DSPs have an operating temperature of 70°C or below. ...
4
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2answers
7k views

Why 28V DC bus is a de facto standard in Aviation industry?

12V bus is a de facto standard in cars. Aviation has 28V DC bus as a de facto standard for most of the commerical jet aircrafts. Any particular reason behind the selection of 28V for the DC bus?
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1answer
1k views

How to make a cable to record cockpit intercom?

I would like to record the cockpit intercom with my iPhone and a recording app. I do not know much about impedance matching (other than what it is). I would like to make a cable that plugs into ...