Chris Jack @ee44cd
Joined December 2024-
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@backslashvarphi Have him watch The Signal Path on YouTube, yes the content is highly technical, but I think it is also inspiring and motivating on showing how much there is to learn. Love that channel.
@IterIntellectus There is a name for this paradox, I read about it on HN once, I swear it even has a wikipedia page and some unassuming name like "Bob's paradox". Basically that so long as humans have to prompt AI, it will never reveal its full potential (limited around the human's intellect).
@Swole_Medic Neat. But I am surprised you liked it with digipots on the output. They usually have considerable THD as the bilateral switch (the tap) in them is not super linear, which gets worse with them supplying the load, compared to being buffered in the signal chain.
@i2cjak Enjoy your malware toolchain. Or something.
@i2cjak MSPM0+ enlightenment. 32-bit fixed point glory.
@_Stocko_ *low-side FET. Also its not always for braking, for instance driving a unidirectional DC motor with a half-bridge, you still want to use complementary PWM to minimize losses in the driver.
@_Stocko_ For the single Half-bridge config, the low-side body diode can by a flyback diode, as it is anti-parallel to the motor, but this is unwise, instead use complementary switching, such that the FET conducts source to drain for braking, bypassing the body diode.
@_Stocko_ I assume R1 and R2 are placeholder values. You wouldn't want to use 10k here as this affects the high side switch's rise time. R5 and R6 also affect the fall time, and if they are too high, your bridge will blow up as the low side turns on as the high side hasn't turned off yet.
@yacineMTB Uhh, us professionals use Allegro...
@fishPointer Forcing the machine to stare at the sun so it may see another day, are we?
@_Stocko_ @fishychair That is certainly what they are doing. Just note that because the P-channel is driven by the NPN, the H-bridge's max operating voltage could be as low as V_GS absolute min rating of the P-channel (20V). The exact value depends on the resistor divider in the NPN driver setup.
@Dr_Singularity Highly skeptical of 8PB/s. If the perimeter were surrounded by HBM4, they could likely achieve 1TB fairly easily (and have space left), but this would yield nearly 80 TB/s at best, two OOM less.
@Yampeleg Compared to how SOTA VLMs consume videos, you ingest approximately 17.5M visual tokens a minute, assuming 5 MP per eye and 30 fps (comparing to VL with patch size 16, ingests all patch embeddings, with 4x pixelshuffle).
@aprolixian The range of complexity an esp32 devboard is capable of is impressive. The recent feat I saw of this was using it to measure heart rate via Wi-Fi channel state information.
@jxmnop Please tell me you tried other tokens than just "purple". Doesn't even have to be a whole-word-in-a-token token, just any.
@yacineMTB A sensor? Last I checked optical flow uses a standard (video) camera and a ML model for that purpose.
@i2cjak I didn't really find the sum of the parts, the op-amp, to be the most useful takeaway of mine. But learning about the components, the diff pair, current mirrors, class A and AB amps, furthermore the chopper circuit, OTA, current conveyor, are all interesting in their own right.
@i2cjak And to illustrate why a follower won't save you. Consider an F103, f_s is 1 MHz, C_ADC is 8 pF, V_ref is 3.3V. Say the signal at AIN is 0-3.3V square 0.5 MHz. That's 13.2 uA the follower must supply.
@i2cjak Problem needs more context. If the signal is near DC, then there's no issue. If its AC near Nyquist, then you're basically fcked, consider something else.
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