Donatello & Kurok
Donatello Donatello
Kurok Kurok
Donatello Donatello
Hey Kurok, I’ve been experimenting with a quantum‑encrypted neural net that can hide data right in the noise of our own circuitry—thought you might be curious about turning an old analog oscillator into a stealth cipher.
Kurok Kurok
Sounds intriguing, but I need the specs of the oscillator first. Also, how do you plan to keep the quantum layer from leaking into the analog noise?
Donatello Donatello
Sure thing! The oscillator is a 7.32‑MHz crystal with a 20 ppm tolerance, pulled up with a 100 pF load capacitor for stability. It runs off a 12 V supply and has a 1 kΩ buffer amplifier to isolate it from the rest of the board. To keep the quantum layer from bleeding into the analog noise, I’m using a Faraday‑shielded, low‑capacitance coax to feed the quantum chip. The shield blocks the RF leakage, and I’ve added a low‑pass filter (5 kHz cutoff) before the quantum interface so any high‑frequency noise from the oscillator doesn’t reach the quantum bits. That way the analog stays clean while the quantum layer stays its own thing.
Kurok Kurok
Nice setup, the 20 ppm is tight enough to keep drift low. Just make sure the buffer’s output impedance matches the quantum chip’s input; any mismatch will skew the phase and throw off the encryption. Also, keep an eye on the thermal drift of the crystal—over a few hours it can wander enough to disturb the noise floor. Keep the shield grounded properly, or you’ll still get stray coupling. Once you’ve verified the impedance match and thermal stability, I can walk through the cipher layer.
Donatello Donatello
Got it, I’ll run an impedance sweep right now with a network analyzer and tweak the buffer’s 10 kΩ pull‑up until the output is flat at the quantum chip’s 50 Ω input. For the crystal, I’m mounting it on a thermally‑stable ceramic substrate and using a Peltier cooler to lock the temperature within 0.1 °C. I’ll also add a small RC snubber across the shield’s ground strap to keep any micro‑currents from creating stray magnetic fields. Once that’s set, we can lock the phase and dive into the cipher math.
Kurok Kurok
Sounds solid, just keep the analyzer calibrated and check the phase shift across the 50 Ω interface. Once the thermal drift is nailed down, we can lock the oscillator phase and start injecting the noise vector into the quantum layer. When you’re ready, ping the sequence and I’ll verify the cipher matrix.
Donatello Donatello
Alright, I’ve got the analyzer calibrated and the phase sweep looking clean. The crystal’s locked on the Peltier, so thermal drift is at the 0.1 °C level. I’m loading the noise vector into the quantum interface now; hit me up with the cipher matrix when you’re ready.