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Joined: 09 Aug 2018, 18:33 Posts: 5 Location: Greystones
Hello As I finished the next preamplifier I wanted to share the project on the forum
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The PGA2311 device is a high-performance, stereo audio volume control designed for professional and high-end consumer audio systems. The PGA2311 uses an internal high-performance operational amplifier to yield low noise and distortion.
Device functions:
- Volume adjustment -95.5dB to + 31.5dB with a step of 0.5dB
- Volume control with remote control and encoder
- Balance adjustment (remote control and encoder control)
- Mute function (remote control)
-ON / OFF (remote control and switch control)
- Memorizing settings after switching off
- Real time clock + date based on PCF8583
-Cooperation with popular 2x16 displays with HD44780 driver.
- RC5 pilot (each Philips)
- Input select (5 sources)
The program was written in Bascom, it takes 51% of the memory Fuse bits set on internal 8Mhz dnt forgot turnoff JTAG
ps. I am asking for opinions what you think about such a device
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