Search found 3 matches

by RachelAnne
13 Dec 2021, 16:50
Forum: Shared Projects and Ideas
Topic: waveform problems on oscillator circuit
Replies: 0
Views: 7303

waveform problems on oscillator circuit

Part Number: SN74AHC1G04 Other Parts Discussed in Thread: SN74LVC1GU04 i'm working on an old board on which a pierce oscillator circuit is mounted: Quartz Crystal is TQX6800/A Nominal frequency 9,0316 MHzC42 C0805C479C1GACTUC43 C0805C120J1GACR74 R75 R66 smd resistor.The problem i've been having thes...
by RachelAnne
05 Nov 2021, 15:12
Forum: Hobby Circuits and Small Projects
Topic: Is it possible to replace a ceramic capacitors with two electrolytic capacitors in this configuration?
Replies: 1
Views: 11878

Is it possible to replace a ceramic capacitors with two electrolytic capacitors in this configuration?

I would like to place a non-polarized capacitor( ceramic capacitors) in between V1 and R1. Is it possible to replace the non-polarized capacitor with two polarized (electrolytic capacitors) C1 and C2 shown in the diagram above?

please see the attachment
by RachelAnne
18 Oct 2021, 15:58
Forum: Basic Schematic and PCB Design
Topic: Atmega16u2 not being seen by PC
Replies: 0
Views: 5524

Atmega16u2 not being seen by PC

I have a number of standalone 16u2 chips wired up for prototyping purposes and they are never seen by my PC (windows 7) when attached via USB (I do not mean they are an 'unknown device', I mean they do not even start the driver search) For sanity check I have wired the chips identical to UNO R3 sche...