HiThe Android All-in-One product I'm using has an amplifier chip called TDA7838 built-in. I would like to know the difference between the TDA7850 amplifier chip. I would also like to receive a datasheet for the TDA7838. I look forward to your answer.
Hello.I'm trying to import the SMR module of the X-CUBE-AUDIO package in one of the projects I am working on. I wish to know the sound pressure level in dB on my microphones.My application generates a PCM buffer filled this way: 32 samples in 16-bit ...
Hello, I cannot get SoundSL working to detect the source of a sound direction correctly. To check how the library performs itself, I wrote a little test script.I assume a 1kHz sine wave to be sampled by a simulated microphone. At a sampling rate of 1...
Hello, I'm trying to get Acoustic_SL running to detect the sound location with two INMP441 MEMS microphones. Unluckily, Acoustic_SL does only return two angles {-87, 88} independent of the processed PCM values. May anyone have an idea of what might g...
Hello,I am using a TSZ124 chip to build a circuit for a breadboard experiment. I attached the schematic at the end of this message. I saw a very strange DC offset when I use an oscilloscope to look at its output pin (the input signal itself has no DC...
Can someone please explain to me what the meaning of the threshold voltage on the VNPxxN07 transistors and if it is different from the threshold voltage mentioned, what input (gate or drain) voltage is necessary for the protection circuits to be acti...
I need to design a comparator with Vih=1.3V and Vil=1.2V. Therefore hysteresis is 100mV. The circuit will be working on a 3.3V supply. During high state, the o/p of the comparator will be 3.3V and at the low state, it will be 0V. I will be using a co...
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Dears, Good morning.Regarding TDA7419's spectrum analyzer, the datasheet says:"A reset of the sample capacitors is induced whenever SAclk remains high for the time tintres" From the tables, Tintres is 3ms.Question: Is there a way to partially dischar...