Overview
The Unholtz-Dickie UD320 is a digital signal processor engineered for vibration control and measurement in test environments. Since 1959, Unholtz-Dickie Corporation has specialized in the design and manufacture of high-performance vibration test systems. The UD320 represents the company’s instrumentation heritage, delivering reliable closed-loop control and real-time signal processing for demanding vibration applications.
Key Features
- 4 analog input channels and 4 digital input channels with ±10V analog range and TTL/CMOS digital compatibility
- 2 analog output channels and 4 digital output channels with ±10V analog range and TTL/CMOS digital compatibility
- Frequency range: DC to 3200 Hz with 0.01 Hz resolution
- Multiple control modes including Sine, Random, Shock, Resonance Search, Transient Capture, Time Waveform Replication, and Mixed Mode
- Closed-loop control with automatic gain adjustment and real-time data acquisition
- Arbitrary waveform generation and external trigger/clock input support
Technical Specifications
| Input Channels (Analog) | 4 channels |
| Input Channels (Digital) | 4 channels |
| Output Channels (Analog) | 2 channels |
| Output Channels (Digital) | 4 channels |
| Analog Input/Output Range | ±10V |
| Digital I/O Standard | TTL/CMOS compatible |
| Frequency Range | DC to 3200 Hz |
| Frequency Resolution | 0.01 Hz |
| Manufacturer | Unholtz-Dickie Corporation |
| Model | UD320 |
Typical Applications
The UD320 is used in vibration testing laboratories and manufacturing facilities for:
- Electrodynamic shaker control and feedback
- Transducer signal conditioning and measurement
- Waveform generation and replication testing
- Acceleration and shock pulse monitoring
- Environmental stress testing of components and assemblies
Compatibility & Replacements
Compatible With
- Unholtz-Dickie electrodynamic shaker systems
- Industry-standard vibration transducers and accelerometers
- Systems requiring TTL/CMOS digital I/O integration
- Analog signal sources in the ±10V range
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Replacement model information is not available in current documentation.
Works With
- Charge amplifiers and signal conditioners from Unholtz-Dickie
- Standard vibration testing software via analog/digital interface
- External waveform generators and function generators
- Data acquisition systems with TTL/CMOS input support
