Marki Microwave的动态

3 reasons why you may want to use the Wilkinson combiner: 1?? Equal Power Division: Unlike normal combiners, Wilkinson combiners offer equal power distribution among input ports, making them excellent for phased array antennas and numerous input amplifiers. 2?? Enhanced Isolation: Wilkinson combiners provide improved isolation between input ports, preventing signals entering one port from affecting signals entering the other ports. 3?? Low Insertion Loss: Wilkinson combiners typically have low insertion loss, resulting in minimal attenuation to the combined signal. This ensures efficient power combining while minimizing signal degradation. Let us know if you have used it in your designs, and click the ?? for part 2! #pcb #combiners #SystecDizainas

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???????? ????????????????: ???????? ?????? ???????????? Double your antenna efficiency with these guidelines: 1) PCB size matters! Slides 2 and 3 show how. 2) Keep-out area is important. (Slide 4) 3) Best chip antenna placement (and worst). Check slide 5 4) Impedance matching and matching networks. Slide 6-7 dive into that 5) All about cable effects on the last 8th slide ? What are other guidelines for chip antennas that you follow? #pcbdesign #guidelines

Proper routing ensures happy return paths! ??? Ever wondered where return signals flow in PCB ground plane layers? ?? Kristof Mulier breaks it down: return paths depend on signal frequency. Low frequencies opt for the shortest paths, creating large current loop areas. Signals follow minimal energy paths at higher frequencies, often mirroring the signal trace. Kristof advises routing return paths to minimize current loop areas and avoid interference. ?? https://lnkd.in/gBR6VDRv #pcbdesign #devheads #signalrouting #electromagnetic

CONCEPT OF LATCHUP (using a certain video link) The phenomena known as latch-up occurs in CMOS (Complementary Metal-Oxide-Semiconductor) integrated circuits when a high-current, self-sustaining channel between the power supply rails is created by a parasitic structure within the chip. It occurs when a parasitic structure inside the device turns conductive, creating a channel between the power supply rails that has low-impedance and high-current. This causes the gadget to become practically locked in the "on" position, which can cause damage and excessive power dissipation. Usually, this causes the gadget to draw too much electricity and perhaps break. #100daysamplifierdesign #day33 #IEEE

Power up your knowledge on surface mount #inductors. Dive into their significance and applications. Elevate your electronics expertise now. Click to learn. https://lnkd.in/dAP_UDfq #TechEducation #TechExplore #customcoils

The Triplett Model LT65 Digital Light Meter measures light intensity up to 40k Foot candles/400k Lux. It verifies OSHA safety requirements and features a silicon photodiode sensor with a spectral response filter, Min/Max function, Data Hold, and a low battery indicator for convenient use. Learn more: bit.ly/3Krhd2v

? JOIN THE DISCUSSION: Signal return paths in a multilayer #PCB stack-up Can you help our SierraConnect member with their #PCBdesign challenge: "I am considering the following 6-layer stack-up for a mixed-signal board and would appreciate feedback: Layer 1: Top (Analog signals & components) Layer 2: GND Layer 3: PWR (Supply 1, Supply 2, Supply 3) Layer 4: SIG (High-speed digital signals) Layer 5: GND Layer 6: Bottom (Control signals) Layers 2 and 5 are solid ground planes with no splits in the copper. Layer 3, the power plane, is divided into several regions (AVDD, DVDD, VCLK). My objective is to maintain a clean ground on layer 2. I assume that the high-speed return current should flow through Layer 5. Since this plane is directly underneath the high-speed signal trace, it should provide the lowest impedance return path. Is this assumption correct? Does this stack-up configuration make sense?" Add your comment here: https://lnkd.in/g8xH7_Dk

Outlines precautions for placing and routing clock circuits on a PCB, emphasizing central placement, dedicated layers, shielding, and proper routing to minimize interference and ensure signal integrity.#clockcrystalplacement #clocksignalrouting #groundplanebenefits #Multi-layerPCBdesign #pcbcart #PCBclockprecautions

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