Analog, digital, layout, verification, RF, FPGA, embedded, and PCB—an end-to-end engineering bench for European silicon projects.
Get in TouchHigh-performance analog, mixed-signal, and RF design from architecture to silicon—PMICs, PLLs, ADCs/DACs, SerDes, mmWave front-ends—paired with precision custom layout.
RTL through signoff for advanced nodes (7 nm and below)—microarchitecture, SoC integration, place & route, timing closure, and low-power implementation for ML accelerators and high-speed interfaces.
SystemVerilog, e, UVM, PSS, and formal verification across block to system level—plus Scan/ATPG/MBIST DFT and production test programs on Teradyne and Advantest platforms.
Hardware prototyping and pre-silicon validation on Xilinx, Intel, and Lattice—with C/C++, Linux, RTOS, NPU firmware, ML inference (TFLite, TVM, ONNX), high-speed PCB layout, and CI/CD for FPGA flows.
Our name honours Tsar Kaloyan, ruler of the Second Bulgarian Empire in the early 13th century. The fortress of Cherven — near Ruse, one of his great strongholds — sits in our logo beside a silicon die. Eight hundred years apart, both are European engineering held to a single standard: precision, durability, first-pass success.
That's the standard our teams bring to every project — analog, digital, layout, verification, RF, FPGA, embedded — for clients building silicon that has to work, ship, and last.
Based in Ruse, Bulgaria—at the crossroads of Central and Eastern Europe—we harness the region's 70-year legacy in computing and semiconductors, along with a highly skilled engineering workforce from both Bulgaria and neighboring Romania.
Our strategic location enables smooth, nearshore collaboration with European Blue Chip companies and agile startups alike, while maintaining cost-efficiency and operational flexibility.
We are committed to delivering world-class semiconductor solutions with the precision, reliability, and quality expected from a European engineering partner.
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