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Questions tagged [alternatives]

The tag has no usage guidance.

2
votes
3answers
120 views

What can be alternatives to BF494 transistor?

I am currently working on a project which involves a RF Amplifier. I found BC494 to be quite suitable for the same. Though, I am looking for its alternatives since I couldn't get one of these.
-1
votes
1answer
21 views

WiFi IC with minimal controller features [closed]

I do not want to program my esp8266. Are there any alternatives to it with lesser controlling abilities (I/O lines, Flash, etc)?
1
vote
1answer
60 views

How do we get the complex frequency of an exponentially damped sinusoidal function?

In my textbook, Engineering Circuit Analysis 8.Ed by William H. Hayt (Chapter 14, Section 14.1 page 536) I stumbled across a section explaining the complex frequency. The goal is to cover the concept ...
1
vote
2answers
120 views

Soldering alternatives for a relay [closed]

I have to confess that I'm not a handy person thus soldering is too difficult for me. I was researching on the internet about soldering alternatives but all of them are done for soldering 2 cables. I ...
-1
votes
1answer
90 views

An alternative to FF-260PA-3057 motor

I have a rechargeable electric shaver which stopped working after a few years of use. If I charge it, it works for a few seconds, then stops. I opened it and saw there is a short between the positive ...
0
votes
1answer
520 views

Replacing a Boost Converter MOSFET

So recently I was experimenting with some 100W LED's (30-35 VDC @ 3A) and a "1200w" DC-DC boost converter that goes up to 85V. While at an input of ~12 VDC and an output of ~26 VDC, I accidentally ...
0
votes
2answers
297 views

What is the alternative for BYW98 diode? [closed]

We are using a driver circuit (L6203), however though, the diode in the device is broken, and we can not find the exact diode on the market. Would any body please, suggest an alternative diode for ...
1
vote
3answers
1k views

X2 capacitor alternative component or circuit? [closed]

My computer monitor (Samsung Syncmaster 732N) started to fail and it seems some capacitors have gone bad. They are all electrolitic but one is a CARLI MPX40 .47K275V-X2 capacitor, which where I live (...
0
votes
1answer
397 views

Are there any alternatives to ASIC chips? [closed]

Are there any other mixed-signal integrated circuit embedded systems (or alternative solutions) which are faster than ASIC in terms of performance (let say for a high-efficiency Bitcoin miner)?
6
votes
2answers
621 views

How to find replacement for a discontinued thermistor component? [closed]

I am in need of a thermistor with characteristics, such as those of now discontinued KTY84-130 (link to datasheet). I am after the exceptional linearity it features and also temperature range, up to ~ ...
-1
votes
2answers
472 views

Photoflash Capacitor Alternative [closed]

I have a very old (mid-60s) photographic flash system, and cannot find replacement capacitors. Specs: 525 uf, 450VDC I would assume I can find an alternative range of capacitor, but do not know how ...
1
vote
1answer
116 views

Relay Alternative

I wanted to see if I had any alternative to a relay for my project. I'm turning on a heating element that is powered from the wall: 120VAC (Max 30 Amps) Is their any alternative to a relay for this ...
-4
votes
1answer
162 views

How to start with replacing a hardware with FPGA/microcontroller? [closed]

I'm currently stuck with how to start with a project I took on. The project is that I emulate the results given by a program when connected to a hardware using the same program and a FPGA/...
1
vote
1answer
119 views

What are possible alternatives for a depletion PMOS

I need a fast reacting way of discharging a capacitor and I figure a simple depletion PMOS is what I need. The time at which the gate has to have a voltage to keep the depletion PMOS closed is not ...
0
votes
1answer
956 views

Alternatives for a UDN2981A

I'm making the circuit depicted here. I already have the shift registers I require, but I can't find any UDN2981A ICs in the stores I have available to me. Unfortunately, I don't have time to wait ...
1
vote
1answer
568 views

Are there any alternatives to the 6522?

I want to build a legacy product (Mockingboard for the Apple IIe). I have built one on a breadboard using vintage parts. I ...
0
votes
3answers
348 views

How many alternatives does a 14-bit ADC have

I am a bit confused what alternatives are or how to find out how many are in an ADC. The book I have wasn't much help and I need to find this out for a project. Does anyone know the answer or how to ...
1
vote
1answer
482 views

An alternative to microcontroller as a clock generator

I use ATTiny2313 microcontroller to drive a linear CCD imager. That's all it does - an infinite loop that toggles six IO ports at different times. However, it is only a 20MHz controller. I calculated ...
1
vote
2answers
603 views

Any more subtle alternatives for LED's to indicate status?

Is there a low-cost, less annoying alternative to a buzzer or LED for displaying the status of an operation? I want my clock radio on at night, but it has this really annoying power indicator LED. I'd ...
0
votes
1answer
1k views

Alternative for MC14543B

I'm following a tutorial that use a MC14543B chip. The chip is defined as "Bcd-to-7 Segment Latch/decoder/driver" Datasheet is here: http://www.digchip.com/datasheets/parts/datasheet/343/MC14543B-pdf....
0
votes
1answer
3k views

Alternatives to the PS223 power supply monitoring IC

I am repairing a power supply that (among other faults) has a dead PS223 chip. This chip monitors the output voltages for over/under voltage and over current. It also outputs a "power good" signal to ...