https://github.com/g1ojs/mc1350-ltspice-model

LtSpice model for MC1350 RF/IF Amplifier IC based on schematic from datasheet
https://github.com/g1ojs/mc1350-ltspice-model

ham-radio if-amplifier ltspice-simulation-files mc1350 rf-electronics

Last synced: 5 months ago
JSON representation

LtSpice model for MC1350 RF/IF Amplifier IC based on schematic from datasheet

• Host: GitHub
• URL: https://github.com/g1ojs/mc1350-ltspice-model
• Owner: G1OJS
• License: mit
• Created: 2025-06-18T18:40:52.000Z (about 1 year ago)
• Default Branch: main
• Last Pushed: 2025-07-12T09:31:13.000Z (about 1 year ago)
• Last Synced: 2025-07-12T11:43:07.704Z (about 1 year ago)
• Topics: ham-radio, if-amplifier, ltspice-simulation-files, mc1350, rf-electronics
• Homepage:
• Size: 104 KB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

          
# MC1350-LtSpice-Model

This repository contains an LtSpice model for the MC1350 RF/IF Amplifier IC based on schematic from datasheet. These ICs are used quite a lot in ham radio but all of my Googling has failed to find a model, which I wanted to use to understand the little airband scanner that I made.

The schematic below is based on one in the data sheet. I've also drawn the suggested test circuit and plotted a couple of graphs that feature in the datasheet - and they seem to match *reasonably well*.

## MC1350 Internal Circuit Diagram

![MC1350_v1](https://github.com/user-attachments/assets/77ce7888-389d-4730-a507-b82d5be7ed81)

##  Power Gain and AGC Test Circuit (10.7MHz)

![MC1350 test circuit 2](https://github.com/user-attachments/assets/4036d1de-67e7-4f97-b42e-94d1e706ed44)

## Single-Ended Input Admittance I(C1)/V(in)

![MC1350 Single-Ended Input Admittance](https://github.com/user-attachments/assets/87c2c8c3-2850-4303-86db-da2b638b6b5a)

## Forward Transfer Admittance I(R4)/Vin

![MC1350 Forward Transfer Admittance](https://github.com/user-attachments/assets/35161001-bdcc-4029-9471-25285748fcd1)