The technical advantages of Chengdu Huayi and Zhenlei Technology in the field of ADC (Analog-to-Digital Converter) can be compared and analyzed from dimensions such as technical indicators, product layout, application scenarios, and supply chain capabilities, as detailed below:
1. Advantages of Chengdu Huayi’s ADC
1. Breakthroughs in Ultra-High Speed and High Integration
Chengdu Huayi is at the international leading position in the field of ultra-high-speed ADCs. Its core representative product, the **4-channel 12-bit 40GSPS RF Direct Sampling ADC (HWD12B40GA4)**, was released in September 2025:
- Sampling Rate and Bandwidth: The sampling rate is configurable from 24 to 40GSPS in 4-channel mode, reaching up to 80GSPS in dual-channel mode, with an input analog bandwidth of 19GHz, supporting direct acquisition of Ku-band RF signals, filling the gap in similar products both domestically and internationally.
- Multi-Channel Synchronization Capability: The 4 channels can work synchronously, suitable for scenarios requiring multi-signal parallel processing, such as in radar systems where multiple antenna signals can be processed simultaneously, enhancing target recognition accuracy.
- Fully Autonomous Design and Controllable Supply Chain: Utilizing a fully forward design, it possesses complete independent intellectual property rights, with production based on domestic manufacturers, ensuring strong supply stability, especially significant in the context of high-end chip embargoes.
Additionally, Chengdu Huayi’s earlier released **8-bit 64GSPS ultra-high-speed ADC (HWD08B64GA1)** is also of milestone significance, achieving the highest sampling rate internationally and possessing radiation resistance, already applied in aerospace and aviation fields.
2. Comprehensive Product Line Covering Multiple Resolutions
Chengdu Huayi’s ADC product line covers8 to 32-bit resolutions, meeting various scenario requirements:
- High-Speed Low Precision: Such as the 8-bit 64GSPS ADC, suitable for scenarios with extremely high speed requirements like radar and electronic countermeasures.
- High Precision Low Speed: 16 to 32-bit high precision ADCs (e.g., HWD976/977 series), with sampling rates from 200Ksps to 1Msps, noise spectral density as low as -152dBFs/Hz, suitable for industrial measurement, environmental detection, and other high-resolution needs.
- Ultra-High Precision: 24 to 32-bit ultra-high precision ADCs (e.g., HWD1281 series), with sampling rates from 250sps to 125Ksps, supporting system calibration, applicable in scientific instruments and precision control fields.
3. Wide Range of Application Scenarios
The technical characteristics of Chengdu Huayi’s ADC enable its extensive applications inmilitary, satellite communication, and high-end civilian markets:
- Radar and Electronic Countermeasures: The 40GSPS ADC can directly acquire Ku-band signals, enhancing the distance imaging resolution of radar systems and the target detection capability in complex environments.
- Satellites and Drones: Radiation-resistant ADCs support high-reliability data acquisition for satellite payloads and drones, with market intention orders already received.
- Industrial and Instrumentation: High precision ADCs are suitable for high-end oscilloscopes, testing equipment, etc., aiding in the replacement of imported instruments.
2. Advantages of Zhenlei Technology’s ADC
1. Advantages in Radiation Resistance and High Reliability in Special Fields
Zhenlei Technology’s ADCs excel inradiation resistance andhigh reliability, particularly holding an important position in aerospace, military, and other special fields:
- Radiation Resistance Verification: Its 14-bit 4GSPS ADC has passed aerospace-level reliability tests, operating in orbit with zero failures, holding over 60% market share, and is a core supplier for low Earth orbit satellites and missile guidance heads.
- Low Power Consumption and Phase Noise Optimization: In phased array radar applications, its ADC’s phase noise (0.28°[email protected]) outperforms similar products from international giants like ADI, with single-channel power consumption only 1/5 of ADI’s, suitable for power-sensitive scenarios like spaceborne applications.
- Multi-Channel Integration and Synchronization Technology: For example, the digital beamforming chip (DBF) supports 64 array elements and 64 beams, reducing the number of system chips and enhancing the integration and real-time processing capabilities of phased array radars.
2. Synergistic Capability of RF and System-Level Solutions
Zhenlei Technology’s ADCs form afull signal chain synergy with RF transceiver chips and power management chips:
- RF Front-End Integration: Its RF transceiver chips combined with ADCs can achieve full-link optimization from antenna to signal processing. For instance, in satellite communication, the combination of radiation-resistant RF transceiver chips and ADCs with low noise characteristics can enhance signal reception sensitivity.
- Micro-System and Modular Design: By integrating ADCs, RF circuits, and power management into a single unit through SIP (System in Package) technology, it reduces size and improves reliability, suitable for drones and low-altitude economy scenarios.
3. Deep Binding and High Gross Margin in Special Markets
Zhenlei Technology’s ADC products primarily targetmilitary, satellite communication, and other high-end markets, with gross margins significantly higher than in civilian fields:
- Customer Structure: Core customers include Aerospace Science and Technology Corporation, China Electronics Technology Group, etc., with strong order stability. In the first half of 2025, revenue from RF transceivers and ADC/DAC chips grew by 71.79% year-on-year.
- Technical Barriers: In subfields like radiation resistance and high reliability, there are currently no direct competitors domestically, with some product performances matching ADI’s aerospace-grade chips that are embargoed from China.
3. Comparative Summary and Application Recommendations
| Dimension | Chengdu Huayi | Zhenlei Technology |
|---|---|---|
| Core Advantages | Ultra-high sampling rate, multi-channel synchronization, full product line coverage, controllable supply chain | Radiation resistance, low power consumption, RF system-level synergy, high market share in special markets |
| Technical Indicators | Up to 80GSPS sampling rate (dual-channel), 19GHz bandwidth, 8 to 32-bit resolution | Up to 4GSPS sampling rate (ADC), 14-bit resolution, phase noise 0.28°[email protected] |
| Application Scenarios | Radar, satellite communication, drones, industrial measurement, high-end instrumentation | Aerospace, military electronic countermeasures, low Earth orbit satellites, phased array radar, low-altitude economic devices |
| Supply Chain Capability | Fully controllable domestic production line, supporting large-scale mass production | Special processes (e.g., radiation-resistant packaging) rely on domestic partners, focusing production capacity on high-end markets |
| Market Positioning | Military-civilian integration, balancing high-end markets and domestic substitution | Focusing on special fields, gradually penetrating the high-end civilian market |
4. Selection Recommendations
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Prioritize Chengdu Huayi’s Scenarios: If the requirement is forultra-high-speed signal acquisition (such as radar, 6G base stations),multi-channel synchronous processing, orsupply chain security, Chengdu Huayi’s 40GSPS ADC and 8-bit 64GSPS ADC are the preferred choices. Its full product line can also meet diverse needs from industrial to scientific instruments.
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Prioritize Zhenlei Technology’s Scenarios: If applied inaerospace, military, and other high-reliability environments, or requiringRF and ADC synergistic optimization (such as phased array radar, satellite payloads), Zhenlei Technology’s radiation-resistant ADC and system-level solutions are more irreplaceable. Its low power characteristics are also suitable for drones and low-altitude devices that are sensitive to size and power consumption.
In summary, the technical routes of the two companies are significantly different. Chengdu Huayi excels in “speed and breadth,” while Zhenlei Technology wins with “reliability and depth.” Users can choose the appropriate solution based on specific application needs.