Questions tagged [space]

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160 views

Are nano/cube satellite electronics components special for space?

I was reading CubeSat 101 (https://www.nasa.gov/sites/default/files/atoms/files/nasa_csli_cubesat_101_508.pdf) wondering if the electronics components needed to be special for space but it says ...
2
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2answers
794 views

Is there anyway to fit a breadboard into a 1.5 inch wide space?

I am working on a model rocket and want to add electrical parts to it via a breadboard inside. The space I have to work with is only about 40mm wide. Is there any kind of breadboard that can fit in ...
2
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2answers
77 views

What are the consequences of not having a magnetic field in the atmosphere on electronics?

Electronics super-noob here! (I did EE in school but have managed to forget practically everything since, to an alarming degree!). I'm wondering how the field of electrical engineering and electronics ...
0
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3answers
55 views

How does being exposed to strong radiations effect nanosatellite electronics equipment?

I'm on paper designing a nanosatellite power system. The satellite would be orbiting in LEO. And I am wondering how and what type of radiation would affect its electronics. The system has a ...
0
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3answers
141 views

Thermal resistance in vacuum

Is it possible to obtain an approximate guess of what the thermal resistance of a device (i.e. a power MOSFET) would be in a vacuum based on the ambient thermal resistance value provided in the ...
2
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2answers
107 views

Adjustable DC/DC converter and/or LDOs for space application

I am currently designing a system for a satellite and I am looking into the components to generate the required low-voltages, and I was wondering if maybe the collective knowledge of stackexchange ...
6
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2answers
440 views

Current limiting solution for pocketqube satellite

A project I am working on requires a reliable current limiting solution for a pocketqube picosatellite. Currently a Texas TPS2553 is being employed which will cut power once the limit is hit. We are ...
0
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2answers
3k views

Keil Error: L6406E: No space in execution regions - Using STM32F103RE

I have written a sample EMWIN Project in KEIL using its package manager, shown below. When I use the Build Project icon I get the following error: ...
-6
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1answer
136 views

How to calculate the transmission distance from satellite to earth (How to understand the formula) [closed]

I have this question in one of my tutorials and I cannot seem to find clarity in the question - I am trying to make an algorithm to do this all automatically but I need to understand the formula I ...
8
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3answers
2k views

Does a pickup microphone work in space (vacuum)?

Of course in space there is no sound transmitted via air, so there is no air-borne sound, but there is structure borne sound. This sound can be recorded with a pickup microphone, but do pickup ...
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2answers
323 views

How (or what is the best way) to raise and / or separate an LED from the PCB?

I'm designing a PCB where I have to locate two super flux LEDs like this one. The problem is that it has to be elevated, approximately, 8 mm from the PCB. What is the best way to do this? What type ...
2
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2answers
240 views

Reliability of electronic components in space [closed]

The Tesla car being recently shot into space made me wonder about the reliability of common electronic components in hard vacuum. I'm asking about the kind of components you would find in Musks's car-...
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0answers
104 views

lcd showing characters instead of blank space?

I have seen this type of error in my codes, in some of this situation like reaching to near about 90%, -99 % of an eeprom memory of avr microcontroler in Mikrobasic PRO For AVR of Microelctronica LTD, ...
2
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2answers
157 views

Are spacecraft electronic systems built in a modular way that allows astronauts to switch identical cards in case of damage?

In Mars episode 1, the astronauts find a damaged electronic card in a system. They decide to replace it by another card used by another system and that is supposedly identical to the damaged one. It ...
1
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2answers
235 views

Neutron Single Event Upset (NSEU) how its effect is mitigated in electronics in space vehicles?

Since in the outer space the NSEU will be more common than in the earth, how the electronics in space vehicle is tacking the issue. I feel a solution will be existing for some decades but on google I ...
12
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2answers
5k views

Are chicken bits left in space-qualified ICs?

A chicken bit "is a bit on a chip that can be used by the designer to disable one of the features of the chip if it proves faulty or negatively impacts performance." Would space-qualified logic ...
1
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2answers
348 views

Temperature Rating for Solar Panels

I am trying to decide on a power source for use in space, and as such they need to have a good operating temperature range. I can't find any decent source on the web about this particular topic for ...
1
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0answers
74 views

Solar Cell Performance With Varying Incident Angle

I am trying to calculate the power generated from solar panels placed on the Moon. I have an equation for power generated at the beginning and end of life and have hit a snag in my brain. If the solar ...
18
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5answers
2k views

What challenges restrict the resolution of spacefaring digital cameras?

I've been reading up about NASA's Juno mission, and came across the Wikipedia article about JunoCam, which is Juno's onboard visible-light camera. In the article, it's mentioned that the resolution ...
4
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1answer
812 views

Key differences between solar-cells used for terrestrial and space applications

I'm looking for some of the key differences in materials for solar panels used in terrestrial vs. space-based applications. I have read the GaAs is common for space applications due to its relatively ...
8
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2answers
1k views

Design Considerations for Electronics in Space [closed]

What additional constraints do we face when designing electronics/microsystems for use in orbit? What kinds of shielding techniques are employed? Is it common to enclose all electronics in a faraday ...
0
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1answer
589 views

Two-Ray Ground Propagation Model or Free Space Propagation Model

May I know that when we want to estimate outdoor transmission performance between two wireless points, which model,Two-Ray Ground Propagation Model or Free Space Propagation Model is more suitable? ...
4
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2answers
1k views

Good Batteries for (way) Sub-Zero Temperatures

I am building a PongSat and I need some batteries that can withstand the temperatures found at very high altitudes. The pongsat is planned to go up to around 100 km altitudes where the temperature is ...
5
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2answers
658 views

Threaded alternative to MMCX connectors which mates to RG-316/U

I'm currently in the process of redesigning the RF section of a communications system for a cube satellite. There are two PCBs in this system: one containing the down/up converters and modem, and ...
0
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4answers
5k views

What is the reason behind transfer function representation valid for only LTI system?

One of the major advantages of state space representation is the fact that it can represent non-LTI system as well. I tried searching a lot to find a reason but couldn't get a reason explicitly ...
3
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2answers
529 views

High-voltage capacitors in space

I'm currently designing an high voltage DC/DC converter, from a linear technology app-note. My goal is to bias an avalanche photodiode with 200 to 300V, on a small educational satellite. I picked the ...
0
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3answers
188 views

Communicating with the moon via capacitance

In the question Capacitance between Earth and Moon, several answers gave a value for the capacitance between the earth and the moon at tens or hundreds of µF. Since capacitors are conductive to AC, ...