Answer Posted / david raj

cmrr is the common mode rejection ratio.it rejects the common
mode signal and the noise is reduced.cmrr=20log(ad/ac). it is
a differential amplifier.

Explain difference between dcs & plc & scada?

1028

---

Draw vi characteristics of pn junction diode.

1052

---

What is the importance of valence shell and valence electrons?

1045

---

what questions are asked in this round for ece

1922

---

What is potential transformers?

1086

---

What is pulse width modulation?

990

---

What is an excess-3 code?

1025

---

i completed my b.tech.i want to prepare for civils. when new batch classes will start at rc reddy. plz mail me rajesh.mc28@gmail.com

1920

---

Explain the design 8421 to 2421 binary code converter?

971

---

write down a program to overwrite the contents of the flag register in 8085

2451

---

Define why series inductor and l-section filters cannot be used with half-wave rectifiers?

1054

---

Which of the two semiconductor materials si or ge has larger conductivity at room temperature? Why?

1237

---

Tell me why the feeding frequency to a microprocessor is twice the operating frequency?

1018

---

What are the parts of network management system (nms)?

947

---

what is the difference between electrical and electronic chokes

1879

---