1. Design procedure for an IntegratorBy
Bhagyashri Tanaji Thorat
Assistant Professor
Department of Electronics & Telecommunication
Hope Foundation’s International Institute of Information Technology
Hope Foundation’s International Institute of Information Technology, I²IT, P-14 Rajiv Gandhi Infotech Park, Hinjawadi, Pune
Tel / 2 / 3 | Website - ; -

2. Design procedure for an Integrator
If gain is not given in problem statement assume gain =10
From the value of gain. Assume R1& calculate RF.
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𝑓𝑎=𝑓𝑏/10
Calculate 𝐶 𝐹 from the value of 𝑓 𝑎
Calculate 𝑅 𝐶𝑜𝑚𝑝 = 𝑅 1 ∥ 𝑅 𝐹
Hope Foundation’s International Institute of Information Technology, I²IT, P-14 Rajiv Gandhi Infotech Park, Hinjawadi, Pune
Tel / 2 / 3 | Website - ; -

3. Problem statement to design Integrator
Design a practical Integrator circuit to properly process input sinusodial waveform upto 1kHz . The input amplitude is 10 mV.
Hope Foundation’s International Institute of Information Technology, I²IT, P-14 Rajiv Gandhi Infotech Park, Hinjawadi, Pune
Tel / 2 / 3 | Website - ; -

4. Circuit diagram Integrator
Hope Foundation’s International Institute of Information Technology, I²IT, P-14 Rajiv Gandhi Infotech Park, Hinjawadi, Pune
Tel / 2 / 3 | Website - ; -

5. Solution Given 𝑓=1 𝑘𝐻𝑧 ;𝑉𝑖=10 𝑚𝑉 ∴𝑓𝑏=1 𝑘𝐻𝑧 Assume dc gain 10
𝑓𝑏 ≥10 𝑓𝑎 & 𝑓𝑎≤100 𝐻𝑧
𝑓𝑎= 1 2𝜋 𝑅 𝐹 𝐶 𝐹 𝑅 𝐹 𝐶 𝐹 = 1 2×3.14×100 𝐻𝑧 =1.59× 10 −3
Hope Foundation’s International Institute of Information Technology, I²IT, P-14 Rajiv Gandhi Infotech Park, Hinjawadi, Pune
Tel / 2 / 3 | Website - ; -

6. solution 𝑅 𝐹 𝑅 1 =10 ∴ 𝑅 1 =10 𝑘𝛺 & 𝑅 𝐹 =100 𝑘𝛺
𝑅 𝐹 𝑅 1 =10 ∴ 𝑅 1 =10 𝑘𝛺 & 𝑅 𝐹 =100 𝑘𝛺
Substituting value of 𝑅 𝐹
𝐶 𝐹 = 1.59 × 10 − × =15.91 𝑛𝐹
Hope Foundation’s International Institute of Information Technology, I²IT, P-14 Rajiv Gandhi Infotech Park, Hinjawadi, Pune
Tel / 2 / 3 | Website - ; -

7. solution Calculate 𝑅 𝐶𝑜𝑚𝑝 = 𝑅 1 ∥ 𝑅 𝐹 = 10 𝑘𝛺 100 𝑘𝛺 ≈ 10 𝑘𝛺
Hope Foundation’s International Institute of Information Technology, I²IT, P-14 Rajiv Gandhi Infotech Park, Hinjawadi, Pune
Tel / 2 / 3 | Website - ; -

8. For further details please feel free to contact Bhagyashri Thorat
Thank You
For further details please feel free to contact
Bhagyashri Thorat
Department of Electronics & Telecommunication
Hope Foundation’s
International Institute of Information Technology, I²IT
P-14, Rajiv Gandhi Infotech Park, MIDC Phase 1,
Hinjawadi, Pune –
Tel / 2 /3 |