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Description
LIU EENG400L Components KitEENG400L: Electrical and Electronic BJT and JFET Frequency Response: Resistors: 10 , 47 , 560 , 1. 0K , 3. 9K , 2*10K , 68K . Transistor: 1*2N3904 npn. Capacitors: 0. 22F, 1F, 100F, 2*1000F, 3*100pF. Operational Amplifier: Resistors: 2*100, 2*1. 0K , 3*10K , 2*100K, 470K , 2*1M. Op Amp: 1*741C op amp. Capacitors: 2* 1F. Low pass and High pass Filter: Resistors: 1. 5K, 4*8. 2K , 10K , 22K, 27K . Op Amp: 3*741C op amp. Capacitors: 4*0. 0 1F, 2*1F.
EENG400L: Electrical and Electronic
BJT and JFET Frequency Response:
- Resistors: 10 Ω, 47 Ω, 560 Ω, 1.0K Ω, 3.9K Ω, 2*10K Ω, 68K Ω.
- Transistor: 1*2N3904 npn.
- Capacitors: 0.22µF, 1µF, 100µF, 2*1000µF, 3*100pF.
Operational Amplifier:
- Resistors: 2*100Ω, 2*1.0K Ω, 3*10K Ω, 2*100KΩ, 470K Ω, 2*1MΩ.
- Op Amp: 1*741C op-amp.
- Capacitors: 2* 1µF.
Low-pass and High-pass Filter:
- Resistors: 1.5KΩ, 4*8.2K Ω, 10K Ω, 22KΩ, 27K Ω.
- Op Amp: 3*741C op-amp.
- Capacitors: 4*0.0 1µF, 2*1µF.
Colpitts and Hartley Oscillator:
- Resistors: 1.0KΩ, 2.7K Ω, 3.3K Ω, 10K Ω, 10MΩ also 100Ω potentiometer.
- Transistors: 1*2N3904 npn, 1*2N5458 n-channel JFET.
- Capacitors: 2*1000pF,0.0 1µF,3* 0.1µF.
- Inductors: 1*2µH (can be wound quickly from # 22 wire), 1*25µH.
- 1* 1MHz crystal.
Feedback Amplifier
- Transistors: 2N2219A, CD4007
- Capacitors: 0.1 uF, 2*10 uF,
- Resistors:2*10 KΩ, 100MΩ, 390 Ω, 47 KΩ,5 KΩ, 33 Ω,
Feedback - Controlled Amplifier
- Resistors: 100Ω, 270Ω, 1.0KΩ, 2.0K Ω, 47 KΩ, 100KΩ, 10K Ω also 5KΩ potentiometer.
- Transistors: 2*2N3904
- Diodes: 2*1N914.
The Phase Locked Loop:
- Resistors: 1.0KΩ, 2.0K Ω, 10K Ω also 10KΩ potentiometer.
- Transistors: 1*2N3904 npn.
- Capacitors: 1*1000pF,2200pF, 0.1µF, 1µF.
- 1*LM565 phase-locked loop
- 1*7490 decade counter
- Frequency counter
- 1* 1MHz crystal.
Frequency Response of MOS Amplifiers:
- Resistors: 2.0KΩ, 5.1K Ω, 2*10K Ω, 100KΩ.
- Transistors: VN2222LL MOSFET.
- Capacitors: 3* 10µF.
Power Amplifiers:
- Resistors: 2*22 Ω 2 W, 2*2.7KΩ, 2*10KΩ, 56 Ω, 330Ω, 3*33 KΩ, 170Ω, 4*1KΩ, 22 KΩ, 68K Ω, 5 K Ω potentiometer.
- Transistors: 1*2N3904, 1*2N3906, 2*2N2222, 1*2N2907, 2*2N3053 with heat think, 1*2SD1666, 1*2SB1133, 1*BD677.
- Diodes: 4*1N914.
- Capacitors: 0.22 µF, 47 µF, 220µF, 3* 1µF, 100µF, 2200µF, 15µF.
- Small speaker 8 or 16 Ω speaker
Linear Digital ICs
- IC; 555Timer
- Resistors: 8.2KΩ, 2 K Ω,10 K Ω potentiometer
- Capacitors: 0.01 µF, 1000pF, 1uF 2200pF
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1691 reviews
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Product Reviews
★★★★★ 5
Men’s mock golf shirt
Color: Lake Green, White, Black, Size: XX-Large
Fit & quality very good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
★★★★★ 5
Nice Fit
Color: Black, White, Light Gray, Size: 3X-Large
I picked this up looking for something simple but clean, and it delivered. The fit is comfortable, the material feels solid, and it looks good without needing much effort. It’s one of those pieces you can throw on and still look put together.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026
★★★★★ 4
Good value, soft and comfortable
Color: Black, Army Green, Light Gray, Size: 4X-Large, Color: Black, Army Green, Light Gray, Size: 4X-Large
Initial thoughts are very positive with this 3 pack shirt set. The green is similar to an OD military green and the black and gray are standard color shades. Material is soft and sizes are true to size. The mock turtleneck isn’t too tight but may still be a little annoying to some people. I do question the amount of spandex in these shirts. Tag says 5% but these shirts are extremely stretchy and feels like a higher spandex content. It’s also a little tough to figure out which way is the front of the shirt. Visually rhe front does have a lower collar line than the back but would still be nice to have a brand tag printed in the back of the shirt for quicker identification.
Overall for roughly $12 a shirt these are a good choice for everyday wear. I will update rating if these shirts fail to meet expectations after further use.
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Reviewed in the United States on April 8, 2025
★★★★★ 5
👍🏻
Color: Black, Army Green, Light Gray, Size: 5X-Large
Weirdly thick material, I wasn’t a fan but it’s a good sleep shirt
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Just what I wanted.
Color: Black, Navy Blue, Wine Red, Size: 5X-Large
These may have just become my standard shirt to wear. Feels good whether tucked or out. Drapes well and fits well. So far, I can see it adjust to the different undershirt I may wear. Will probably order another set in other colors and a back up set of the basics because they will get worn a lot.
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Reviewed in the United States on July 17, 2025
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