Uploaded August 2020 | Updated September 2026, 2 weeks ago

---

Have you ever wanted to use the bode plot functionality of your Siglent oscilloscope, but did not have a Siglent AWG on hand? Watch this video to see how you can attach the FY6900 (and FY6800, FY6600) AWG to your Siglent SDS1xxx series scope.

You can find the source code here:
github.com/timkoers/espBode

You can buy the AWG here:
FeelElec FY6900 (20MHz to 60MHz): https://s.click.aliexpress.com/e/_d8uetg0
FeelElec FY6900 60MHz: banggood.com/FY6900-Dual-Channel-DDS-Function-Arbitrary-Waveform-Signal-Generator-Pulse-Signal-Source-Frequency-Counter-Fully-Numerical-Control-20MHZ30MHZ50MHZ60MHZ-p-1495502.html?zf=6303154

The ESP-01S can be found here:
https://s.click.aliexpress.com/e/_BfirlPh2

Chapters:
0:00 Intro
0:30 Discussing the DUT

2:00 Configuring the channel settings
2:45 Connecting the DUT
4:25 Frequency range setup

5:03 Starting the bodeplot
5:40 Setting up the FY6900
6:47 Bodeplot finished

7:54 Restarting the bodeplot
8:45 Frequency analysis using FFT
9:10 Configuring the FFT settings
11:05 Configuring the sweep settings

12:30 Starting the sweep
13:35 Setting the sweep to a wider range
13:45 Starting the sweep
14:00 Stabilizing the results

15:05 Another frequency sweep

18:00 Difference between bodeplot and FFT frequency analysis
18:30 Comparing bodeplot with FFT results for various devices
26:30 Outro

Thanks for watching my video!

Want to contribute to my channel?

You can buy various electronics components using these links:
FeelElec FY6900 (20MHz to 60MHz): https://s.click.aliexpress.com/e/_d8uetg0
ESP-01S: https://s.click.aliexpress.com/e/_BfirlPh2
NodeMCU V3: https://s.click.aliexpress.com/e/_dXIVjLI
RobotDyn AC dimmer: https://s.click.aliexpress.com/e/_d8YAlGg
220V AC to 3.3V DC converter HLK-PM03: https://s.click.aliexpress.com/e/_dUHCfJW
VS1838B IR receiver: https://s.click.aliexpress.com/e/_dWGz9eG
Prototyping boards (various sizes): https://s.click.aliexpress.com/e/_d8ZxGAs
Dupont jumper cables (all variants): https://s.click.aliexpress.com/e/_dVyzHN2
(Tip!) Blitzwolf micro usb (+ USB C adapter): https://s.click.aliexpress.com/e/_d65Y0dQ

Please checkout my Patreon page! patreon.com/timselectronicslab

You can also find me on Instagram:
instagram.com/timselectronicslab

If you still need to create a Banggood account, please use my referral link:
banggood.app.link/AYJB8cq4X8

Please use this link if you are planning to purchase something:
banggood.com/index.php?zf=6303154