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ICL8038 pin functions:
Pin 1, Pin 12: sine waveform adjusting terminal;
Pin 2: sine wave output;
Pin 3: triangle wave output;
Pin 4, Pin 5: the frequency and duty cycle (or waveform asymmetry) adjustment;
Pin 6: V +, the positive power supply;
Pin 7: Frequency Offset;
Pin 8: Frequency adjustment input terminal;
Pin 9: square wave output. This is an open collector output terminal, work should take a load resistor to the corresponding positive power supply terminal from the pin, to get a TTL-compatible square-wave output, the load resistance must be connected to + 5V power supply;
Pin 10: timing capacitor terminal;
Pin 11: V-, negative power supply terminal or the ground. When Use positive and negative power supply, Pin 11 to the negative supply, the output waveform are symmetrical with respect to 0 V; When use a single positive power supply, Pin 11 grounded, the output waveform is unipolar, uniform voltage is + VCC / 2;
Pin 13 and Pin 14: Empty Pin.
The kit is designed for a frequency range is 50-5KHz, two bands with using a switch S to switch, RP1 is the frequency adjustment, RP2 is the duty cycle adjustment, RP3 is a sine wave distortion adjustment. Circuit uses 12V single power supply, input from the X1; X2, X3 is a waveform output side, you can use oscilloscope to observe three output waveforms.
Model: ICL8038
Input: 12V DC
Frequency range: 50-5KHz,
Package Included:
1 * ICL8038 Function Signal Generator DIY KIT
Note: Please contact us if you need the Schematic.
Alec Kristi
Reviewed in the United States on February 25, 2025
The media could not be loaded.
Munchie
Reviewed in the United States on July 14, 2024
Ended up just using the chip in a circuit board of my design with better THD specs. Got THD down to 0.8%. This chip is only made as an offshore copy, and this one worked fine
IamME
Reviewed in the United States on February 4, 2024
Went together pretty easy. Tried to put it together fast but I didn't like the way the tags on the solder joints look but I have another to assemble for a later date. Real easy to dial in. 50hz holds pretty well and with the low end dialed in the upper end reaches 5.2khz. One thing i did notice is that the scope will jump every now and then where this didn't happen to the other generator i built yesterday. I'm thinking one of the caps may be junk. Anywho its giving me soldering time and another excuse to buy a new station.It works and I like it...
DS
Reviewed in the United States on September 22, 2023
used as a test oscillator
GiJoe151
Reviewed in the United States on February 10, 2023
First board did not work, but the next did and it has to be something that I did wrong. Will try to diagnose it later. This thing works as described. will order two more of these.
MN_EE
Reviewed in the United States on May 29, 2020
This kit was easy to build and it works great. The components were of good quality and their solderability was good. It works as advertised. I used a 14 pin IC socket was the only addition that I made to this kit project. This would allow for easy IC change if needed. The only problem was that one of the three pin screw connectors was missing. Since they both worked, it was not worth my time to try to get the three pin connector.
strayling
Reviewed in the United States on June 16, 2019
Nifty little kit, fun to build and it puts out pretty decent waveforms.The circuit board is clearly marked, showing where to solder each component. This one isn't hard to build for beginners.
John C. Young
Reviewed in the United States on July 22, 2017
There were no instructions, but the PCB is clearly labelled and the components match the labels.If you've assembled electronic kits before you should have no problems. The circuit worked perfectly the first time.The shipping was ridiculously fast too!
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