These mixers are primarily designed and manufactured to extend industry-standard microwave spectrum analyzers into the millimeter-wave and sub-THz frequency ranges, providing a significantly more cost-effective solution compared to alternative frequency downconverter systems. https://lnkd.in/gRhT6__w They are part of Eravant’s ACCESS product line, which is aimed at further lowering the entry barriers to millimeter-wave and sub-THz technologies.

Phase Noise Friday #5 — What’s Actually Limiting You? By now we’ve covered two uncomfortable truths: 1) The loop filter is a traffic controller, not a janitor 2) 20·log N quietly lifts your in-band noise floor So the real question becomes: When phase noise, jitter, or EVM looks bad, what’s actually limiting you? You can usually tell on the bench, without touching the loop filter. Three dominant signatures show up again and again: 1) Reference / Phase-Detector Limited What you see: – Flat in-band noise pedestal – Gets worse when loop bandwidth is widened – Improves when N is reduced What it means: 2) Phase-detector noise multiplied by 20·log N is dominating the output. VCO-Limited What you see: – Steep close-in phase noise – Improves dramatically with wider loop bandwidth – Far-out noise floor unchanged What it means: The PLL is doing its job — the VCO is the limiter. 3) Additive / Measurement-Limited What you see: – Noise floor won’t move – Independent of loop bandwidth and N – Looks flat everywhere What it means: You’re measuring additive noise from buffers, instruments, or the test setup — not PLL phase noise. The sand trap: If you don’t identify the dominant noise source first, you end up fixing jitter while breaking ACPR, cleaning peaks while lifting the floor, and optimizing plots instead of performance. Diagnose first. Tune later. #PhaseNoiseFriday #EVM #Jitter #PhaseNoise #RF #Microwave #Teradyne #TestEngineering

3mm stacked height for board-to-board interconnects. SV Microwave’s 3mm board-to-board interconnects offer the lowest stacked height of any board-to-board high-frequency coaxial connection system, supporting compact, high-density designs without compromise. Designed for applications where size, precision, and performance are critical. 👉 Learn more about our 3mm board-to-board interconnect solutions: https://ow.ly/O2Fe50Y41rR

𝗦𝗶𝗴𝗻𝗮𝗹 𝗖𝗵𝗮𝗶𝗻 𝗗𝗲𝘀𝗶𝗴𝗻𝗲𝗿: 𝗙𝗘𝗧 𝗖𝘂𝗿��𝗲𝗻𝘁 𝗡𝗼𝗶𝘀𝗲 𝗶𝗻 𝗔𝗺𝗽𝗹𝗶𝗳𝗶𝗲𝗿𝘀 https://lnkd.in/dFtY5fpn MOSFET and JFET amplifiers have extremely low current noise at low frequencies, but it increases at higher frequencies. Many applications have enough capacitance at the input that the extra noise at high frequencies doesn't matter, , but in some applications, it can. This video shows how ADI is now characterizing this effect and how we model it in Signal Chain Designer.

📢𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝗱 𝗔𝗿𝘁𝗶𝗰𝗹𝗲 𝗔𝗹𝗲𝗿𝘁!📢 We are pleased to share with you the following featured work published on IEEE AWPL: Yuanming Cai, Ke Li, Lehu Wen, Steven Gao, “A Low-Profile Wideband Filtering Transmitarray Antenna Using Multiresonance Patch Elements, ” 𝘐𝘌𝘌𝘌 𝘈𝘯𝘵𝘦𝘯𝘯𝘢𝘴 𝘢𝘯𝘥 𝘞𝘪𝘳𝘦𝘭𝘦𝘴𝘴 𝘗𝘳𝘰𝘱𝘢𝘨𝘢𝘵𝘪𝘰𝘯 𝘓𝘦𝘵𝘵𝘦𝘳𝘴, vol. 24, no. 10, 2025. 🔍 𝐊𝐞𝐲 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬: · Dual interleaved patches operate at different resonant frequencies, achieving wideband operation (24.2% 3 dB gain bandwidth) and high-order bandpass filtering with strong out-of-band suppression (33 dB lower, 31 dB upper). · Planar interleaved rectangular patches form a compact three-metal-layer structure with a low profile of 0.1λ₀ and easy, low-cost fabrication. · A hybrid 3-bit transmission phase control mechanism combining patch orientation reversal and dimensional adjustment enables accurate phase tuning, achieving high gain (26.5 dBi) and high aperture efficiency (54.2%). 𝘙𝘦𝘢𝘥 𝘵𝘩𝘦 𝘧𝘶𝘭𝘭 𝘱𝘢𝘱𝘦𝘳 𝘶𝘴𝘪𝘯𝘨 𝘵𝘩𝘦 𝘧𝘰𝘭𝘭𝘰𝘸𝘪𝘯𝘨 𝘭𝘪𝘯𝘬: https://lnkd.in/gC3Eyu7Y

I learned something important about sine waves: Clipping isn’t always distortion. Sometimes, it’s protection. In one limiter design, the diodes stayed invisible during normal operation. But the moment amplitude crossed the threshold — they took control. Mid-region? Pure sine. Peaks? Softly flattened. That’s the difference between uncontrolled saturation and engineered limitation. A good limiter doesn’t destroy the waveform. It disciplines it. #SignalProcessing #AnalogDesign #ElectronicsEngineering #WaveformControl #CircuitDesign #AudioEngineering #HardwareDesign #MixedSignal #EngineeringInsight

𝗦𝗶𝗴𝗻𝗮𝗹 𝗖𝗵𝗮𝗶𝗻 𝗗𝗲𝘀𝗶𝗴𝗻𝗲𝗿: 𝗪𝗮𝘁𝗰𝗵 𝗼𝘂𝘁 𝗳𝗼𝗿 𝗢𝘂𝘁𝗽𝘂𝘁 𝗜𝗺𝗽𝗲𝗱𝗮𝗻𝗰𝗲 https://lnkd.in/dFtY5fpn The impedances of two stages can interact and not give you the gain you expect. If the drive stage has output impedance the same order of magnitude as the input impedance of the 2nd stage, the 2nd stage will load the first. This results in less gain than desired. You can see this issue both in the gain vs. frequency plot as well as the nominal gain in the DC error view.

Tech-Tip Tuesday at RentalTec! 💡Tip: Use bandwidth limit to reduce measurement noise What does that mean? Not every signal needs full bandwidth. Limiting bandwidth on your Keysight oscilloscope can significantly improve signal readability — especially for low-frequency measurements. Small setting. Big difference! https://lnkd.in/e72n_fzC

What benefit does a large aperture and near-field beamfocusing bring to a conventional sensing system relying on bandwidth? Or the other way round, how does bandwidth improve the ambiguity function of narrowband near-field sensing? We show that for certain bandwidth-aperture product values, the total near-field ambiguity function can be well approximated as a product of the range-dependent near-field array factor and the ambiguity function due to the utilized waveform and bandwidth (see the figure). In this paper, we derive the constraints under which the approximation remains accurate for different configurations, SIMO/MISO, MIMO and a few popular array geometries. We also evaluate the sensing performance gains offered by the near-field in terms of resolution, peak-to-sidelobe and integrated-sidelobe level improvement. Preprint: https://lnkd.in/eaeSjDkH IEEE: https://lnkd.in/e8RQemYb

void drawUltraDial() { tft.fillScreen(GC9A01A_BLACK); // Outer ring tft.drawCircle(120,120,118,GC9A01A_ORANGE); // Compass ticks for(int i=0;i<60;i++){ float a = i * 6 * DEG_TO_RAD; int r1 = (i%5==0) ? 90 : 100; int r2 = 110; tft.drawLine( 120+sin(a)*r1, 120-cos(a)*r1, 120+sin(a)*r2, 120-cos(a)*r2, i%5==0 ? GC9A01A_ORANGE : GC9A01A_DARKGREY ); } tft.setTextColor(GC9A01A_ORANGE); tft.setCursor(60,185); tft.print("INSTRUMENT"); }