User abdullah kahraman

17

37

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8

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31k

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Which configuration is better for pulling down an NPN transistor's base?

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19

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4

14

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1

answer

8k

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2

13

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10

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27k

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4

9

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7

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6

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2

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453

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What is this IC marked “1Y=61J”

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Oct 10 '13 at 7:34 abdullah kahraman 5,638

2

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May 28 '13 at 15:24 Community♦ 1

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54 Questions

Which configuration is better for pulling down an NPN transistor's base?

How to do pulling up or down correctly when interfacing a microSD card?

Where should I put the kickback diode in a transistor switch?

How to measure pulse width of an IR signal using an 8-bit PIC?

How to make IR proximity detector immune to the daylight?

Audio Amplifier PCB Design Tips

What is the reason my PIC16 multitasking RTOS kernel doesn't work?

SMPS PCB Design Critic

Can I create a backside “copper polygon” of the switch node in an SMPS?

What is the reason this USB battery charge circuit will not work without a diode?

How to implement simple stack switching in PIC12/16 cores?

Inductive kick-back voltage calculation

What is causing the oscillation in the feedback loop of an SMPS?

What is this IC marked “1Y=61J”

How to realize this transfer function with OP-AMPs?

How come a charge pump works without a reservoir capacitor?

Crosscoupling in SMPS PCB layout

Why do we need 100nF cap in the output of an SMPS?

Is a parallel capacitor needed in this application?

How to configure the internal oscillator in a PIC16F616?

PORTB Interrupt On Change changes state unintentionally

How to control X9C102 digitally controlled potentiometer?

How much capacitance do I need in the input of LM78L05

What is this PCB spark-gap on common-mode-choke for?

I2C - Cannot read temperature from TC74 with PIC16F887

Are small valued capacitors effective in the device power input?

Interfacing a keypad with a microcontroller

Is this noise in current amplifier feedback because of my PCB design?

Designing a low-pass filter

How does this OP-AMP offset voltage measuring circuit work?