The document discusses an amplifier circuit analysis problem. It identifies the circuit as having:
1) Negative feedback.
2) A shunt-series feedback configuration.
3) To calculate A1, an equivalent circuit model is drawn using a simple BJT model without hre and hoe.
4) The expression for A2 is derived as Re2/(Rf + Rg + Re2).
Kết quả thực hành môn hóa sinh căn bản - HOTYenPhuong16
Thực hành hóa sinh căn bản, TÌM NHỮNG CHẤT BẤT THƯỜNG TRONG NƯỚC TIỂU, KHẢO SÁT ENZYME, XÁC ĐỊNH HOẠT ĐỘ CỦA ENZYME, AMINO ACID VÀ PROTEIN, Thủy phân tinh bột bằng Amylase, Thủyphân Urê bằng Urease, Thủy phân Lipid bằng Lipase
Phản ứng oxi hoá – khử là phản ứng hóa học trong đó có sự trao đổi electron giữa các nguyên tử của các chất tham gia pư do đó làm biếnđổi số oxi hoá của chúng
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Kết quả thực hành môn hóa sinh căn bản - HOTYenPhuong16
Thực hành hóa sinh căn bản, TÌM NHỮNG CHẤT BẤT THƯỜNG TRONG NƯỚC TIỂU, KHẢO SÁT ENZYME, XÁC ĐỊNH HOẠT ĐỘ CỦA ENZYME, AMINO ACID VÀ PROTEIN, Thủy phân tinh bột bằng Amylase, Thủyphân Urê bằng Urease, Thủy phân Lipid bằng Lipase
Phản ứng oxi hoá – khử là phản ứng hóa học trong đó có sự trao đổi electron giữa các nguyên tử của các chất tham gia pư do đó làm biếnđổi số oxi hoá của chúng
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
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1. -Họ và tên: Trần Lê Duy Linh.
-MSSV: 18200032.
- Lớp : 18DTV1_L1.
- Tuần 12.
Bài tập củng cố buổi 12.
Trình bày:
1. Cho mạch sau:
a. Xác định loại hồi tiếp? Giải thích?
b. Xác định dạng hồi tiếp? Giải thích?
c. Để tính A1, vẽ mạch tương đương, với BJT dùng mô hình đơn
giản (bỏ qua hre, hoe).
d. Tính A2?
Vo
Vi
R1
Rc1
Ct
R2
Re2
VCC
Re1
Q2A
3
1
2
Rg
Rf
Rb1
Ri
Q1A
3
1
2
Rc2
Ci
Co
Tóm tắt bài làm:
1.
a. Loại hồi tiếp là hồi tiếp âm.
b. Kiểu hồi tiếp : shunt – series.
c. Hình vẽ.
d. 𝐴2 =
𝑖𝑓
𝑖0
=
𝑅𝑒2
𝑅𝑓+𝑅𝑔+𝑅𝑒2
2. a. Loại hồi tiếp là hồi tiếp âm.
b. Kiểu hồi tiếp : shunt – series.
c. Để tính A1, vẽ mạch tương đương, với BJT dùng mô hình đơn
giản (bỏ qua hre, hoe).
Với:
+ Series -> Dòng điện bằng 0 ( để hở)
+ Shunt -> Điện thế bằng 0 (nối đất)
+ Phân cực AC, tín hiệu nhỏ :
. Tụ nối tắt.
. Vcc nối đất.
Vo
Vi
R1
Rc1
Ct
R2
Re2
VCC
Re1
Q2A
3
1
2
Rg
Rf
Rb1
Ri
Q1A
3
1
2
Rc2
Ci
Co
+
- -
-
-
“p”
“c” series
shunt
3. Mạch tương đương, với BJT dùng mô hình đơn giản (bỏ qua hre, hoe).
d. Tính A2?
𝑖𝑓 = 𝑖0
𝑅𝑒2
𝑅𝑓 + 𝑅𝑔 + 𝑅𝑒2
=> 𝐴2 =
𝑖𝑓
𝑖0
=
𝑅𝑒2
𝑅𝑓 + 𝑅𝑔 + 𝑅𝑒2
Vo
Vi
R1
Rc1
Ct
R2
Re2
VCC
Re1
Q2A
3
1
2
Rg
Rf
Rb1
Ri
Q1A
3
1
2
Rc2
Ci
Co
RF
B1 C2
R1 RC2
R2
hie1
hfe2.ib2
E1
hie2
B2
C1
ib1
RF
ib2
R4
RG
Vo
Vi
hfe1.ib1
E2 RG
RC1 R3
Vo
R1
Rc1
Ct
R2
Re2
VCC
Re1
Q2A
3
1
2
Rg
Rf
Rb1
Ri
Q1A
3
1
2
Rc2
Ci
Co
E2
B1 i0
if
