# Watson

**Repository Path**: sympny/Watson

## Basic Information

- **Project Name**: Watson
- **Description**: PCB layout and test results for a simple high dynamic range power meter based on the Analog Devices AD8307 Logarithmic Amplifier.
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 1
- **Forks**: 0
- **Created**: 2021-09-26
- **Last Updated**: 2022-12-16

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

Watson
======

Watson is a relatively simple RF power meter based on the "120 dB Measurement System" outlined in the Analog Devices (AD) AD8307 data sheet. Watson has a narrow and fixed measurement band centered on 10.7 MHz and was developed as the detector for a low cost spectrum analyzer design. 

![Un-Populated Watson PCB](./gfx/unpopulated_pcb_800.jpg)

![Populated Watson PCB](./gfx/populated_pcb_800.jpg)

![Screen grab of Watson's Schematic](./gfx/schem_screen.jpg)

![Snapshot of Watson's Board Layout](./gfx/pcbnew_screen.jpg)

![Log Response at 10.7 MHz](./gfx/log_response_center_800.png)

![Log Frequency Response](./gfx/logfreq_response_800.png)

![Log Conformance at 10.7 MHz](./gfx/log_conformance_center_800.png)