ZHD Series High Sensitivity RF Detector with Zero-Biased Schottky Technology
Introduction
In modern RF and microwave systems, accurate detection of low-level RF signals is critical for applications such as radar systems, electronic warfare (EW), communication systems, and automated test equipment.
To meet the increasing demand for high sensitivity and broadband detection, ZTS Technologies has developed the ZHD Series High-Sensitivity Coaxial Detector, a compact RF detector based on Zero-Biased Schottky diode technology.
The ZHD Series provides excellent sensitivity, fast response, and wide frequency coverage from 1 GHz to 26.5 GHz, making it an ideal solution for replacing traditional microwave detectors in demanding RF measurement and system integration applications.
What Is a High Sensitivity RF Detector?
An RF detector converts microwave signals into a proportional DC voltage output, allowing RF power monitoring and signal level control in electronic systems.
Compared with standard RF detectors, high sensitivity detectors are designed to detect extremely low RF input levels while maintaining stable output characteristics.
The ZHD Series utilizes a zero-biased Schottky diode detector structure, which eliminates the need for external bias voltage and provides excellent sensitivity for low-power signal detection.
Key Features of ZHD High Sensitivity Detector Series
1. Wide Frequency Coverage
The ZHD Series covers multiple frequency bands:
- ZHD08: 1 GHz – 8 GHz
- ZHD18: 1 GHz – 18 GHz
- ZHD26: 1 GHz – 26.5 GHz
This wide frequency range allows one detector family to support various RF and microwave applications.
2. Excellent Detection Sensitivity
The detector provides:
- Tangential Signal Sensitivity (TSS): ≤ -52 dBm
- Open-circuit voltage sensitivity: ≥1500 mV/mW
- Flatness: ±1.0 dB typical
These characteristics make it suitable for detecting weak RF signals in measurement and control systems.
3. Fast Response for Pulse and Control Applications
With fast rise time and low delay, the ZHD Series can be used in:
- Pulse signal monitoring
- RF source leveling
- Radar receiver systems
- Amplitude control loops
The pulse response can achieve:
- Rise time ≤1 μs under high impedance output
- Rise time ≤10 ns under 50 Ω output conditions
4. Compact Mechanical Design
The detector features a compact stainless-steel package:
- Diameter: Ø9.0 mm
- Length: 34.5 mm
- Weight: approximately 10 g
The small form factor makes it easy to integrate into compact RF systems.
Typical Applications
The ZHD High Sensitivity Detector Series is widely suitable for:
RF Test & Measurement
Used for:
- RF power monitoring
- Signal level measurement
- Swept transmission measurement
- Swept reflection measurement
Radar and Electronic Warfare Systems
High sensitivity detection capability makes it suitable for:
- Radar signal monitoring
- Receiver protection circuits
- Electronic support systems
Communication Systems
Applications include:
- RF source monitoring
- Automatic gain control (AGC)
- Amplitude stabilization loops
Aerospace and Defense Electronics
The compact design and broadband frequency coverage make it suitable for aerospace and navigation applications.
Compatible Replacement for Popular RF Detector Models
The ZTS ZHD Series can serve as a cost-effective alternative or replacement solution for several internationally recognized RF detector products.
Potential replacement references include:
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(Replacement suitability depends on frequency range, output polarity, connector configuration, and system requirements. Contact ZTS for detailed compatibility evaluation.)
Why Choose ZTS High Sensitivity Detector?
Compared with traditional imported RF detectors, ZTS provides:
✔ Broadband frequency coverage up to 26.5 GHz
✔ High sensitivity down to -52 dBm
✔ Positive or negative voltage output options
✔ Compact coaxial package
✔ OEM and customized solutions available
✔ Direct technical support from RF engineers
Conclusion
The ZTS ZHD Series High-Sensitivity Coaxial Detector provides a reliable alternative for engineers looking for a high sensitivity RF detector, zero bias Schottky detector, or microwave detector replacement solution.
With broadband coverage, excellent sensitivity, and compact design, the ZHD Series is suitable for next-generation RF test systems, radar platforms, communication equipment, and electronic warfare applications.
For customers searching for alternatives to traditional imported microwave detectors, ZTS offers a flexible and cost-effective solution without compromising RF performance.
