UNI-T USG3045M RF Signal Generator
Professional-Grade RF Testing Solution (9 kHz to 4.5 GHz)
The UNI-T USG3045M RF signal generator delivers exceptional performance with frequencies from 9 kHz to 4.5 GHz, making it ideal for wireless communications, component testing, and research applications. Featuring high signal purity, precise level control, and comprehensive modulation capabilities, this instrument provides the reliability and accuracy that RF professionals demand in today's challenging testing environments.
Key Features and Benefits
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Broad Frequency Coverage: Generates signals from 9 kHz to 4.5 GHz with ultra-fine 0.001 Hz resolution for precise testing
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Wide Output Range: Adjustable output levels from -135 dBm to +20 dBm to meet diverse testing requirements
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Superior Signal Quality: Low phase noise (<-122 dBc/Hz @ 1 GHz, 20 kHz offset) ensures accurate measurements
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Versatile Modulation: AM, FM, and ΦM capabilities with internal, external, or combined modulation sources
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Intuitive Operation: 5-inch capacitive touch screen with clear visual feedback and logical menu organization
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Flexible Connectivity: Remote control via LAN and USB interfaces for automated testing environments
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Integrated Function Generator: Built-in 50 MHz function/arbitrary waveform generator adds versatility
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Electronic Attenuator: Provides reliable output level control with 0.01 dB resolution
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Mechanical Attenuator: Enhanced output power and superior level stability (-P Model Only)
Professional Applications
Wireless Communications
Test and validate RF components, transmitters, and receivers for wireless systems and devices. The USG3045M's accurate frequency control and modulation capabilities make it perfect for characterizing communications equipment.
Educational and Research Facilities
Provide students and researchers with a reliable signal source for RF circuit development, antenna testing, and experimental setups. The intuitive interface makes it accessible for teaching environments.
Production Testing
Integrate into automated test systems for quality control and production verification. The remote control capabilities support efficient manufacturing processes for RF components and devices.
General RF Development
Support development of filters, amplifiers, and other RF components with stable and precise test signals. The wide frequency range covers most standard RF applications.
Technical Specifications
| Parameter |
Specification |
| Frequency Range |
9 kHz to 4.5 GHz |
| Frequency Resolution |
0.001 Hz |
| Phase Offset |
Step of 0.1° |
| Output Level Range |
-135 dBm to +20 dBm |
| Amplitude Accuracy |
≤ 0.7 dB (typical) |
| Phase Noise |
<-122 dBc/Hz @ 1 GHz, 20 kHz offset (typical) |
| Harmonics |
≤ -50 dBc (10 MHz to 1 GHz), ≤ -40 dBc (1 GHz to 4.5 GHz) |
| Modulation Types |
AM, FM, ΦM (standard); Pulse (optional) |
| Display |
5-inch capacitive multi-touch screen (800×480) |
| Connectivity |
LAN (10/100/1000 Base, RJ-45), USB Device, USB Host |
| Optional Interfaces |
GPIB (IEEE-488.2) |
| Power Supply |
100 to 240 VAC, 50/60 Hz, <50 W |
| Dimensions (H×W×L) |
426mm × 88mm × 400mm |
| Weight |
<20 kg |
| Calibration Period |
One year |
Advanced Functionality
Sweep Capabilities
Perform comprehensive characterization with frequency, amplitude, and list sweep modes. Customizable step sizes and dwell times accommodate various test scenarios.
Enhanced Modulation Options
Create complex test signals with AM depths up to 99%, FM deviation up to 10 MHz, and phase modulation up to 5 radians. Internal and external modulation sources provide flexibility.
Optional Pulse Modulation
Add USG3000M-PM pulse modulation to achieve on-off ratios up to 80 dB. Create customized pulse patterns for specialized testing requirements.
Optional Narrow Pulse Generator
The USG3000M-PG narrow pulse generator option provides pulses as narrow as 20 ns with 10 ns resolution, perfect for advanced radar testing applications.
USG3045M vs. Other Models in the Series
| Feature |
USG3045M |
USG3045M-P |
USG3065M |
USG3065M-P |
| Frequency Range |
9 kHz to 4.5 GHz |
9 kHz to 4.5 GHz |
9 kHz to 6.5 GHz |
9 kHz to 6.5 GHz |
| Mechanical Attenuator |
No |
Yes |
No |
Yes |
| Maximum Output Power (250 MHz to 1.2 GHz) |
+20 dBm |
+24 dBm |
+20 dBm |
+24 dBm |
| Maximum Output Power (1.2 GHz to 3.6 GHz) |
+18 dBm |
+22 dBm |
+18 dBm |
+22 dBm |
| Maximum Output Power (3.6 GHz to 4.5/6.5 GHz) |
+15 dBm |
+20 dBm |
+15 dBm |
+20 dBm |
Available Options and Accessories
| Item |
Description |
Order No. |
| Pulse Modulation |
Enables pulse modulation capability |
USG3000M-PM |
| Narrow Pulse Generator |
Adds narrow pulse generation functionality |
USG3000M-PG |
| Power Meter Kit |
Provides power measurement and calibration |
USG3000M-PK |
| GPIB Interface |
Adds GPIB connectivity for legacy systems |
USG3000M-GPIB |
| RF Cable |
SMAJ-NJ-0.7M DC-6G cord |
UT-W02-6GHz |
| RF Cable |
NJ-NJ-0.7M DC-6G cord |
UT-W01-6GHz |
| Adapter |
SMA-N-KJ-T DC-6GHz |
UT-C01-6GHz |
| Adapter |
N-BNC-JK DC-4GHz |
UT-C02-4GHz |
| Accessories Pouch |
Carrying case for accessories |
UT-CK01 |
Package Contents
- USG3045M RF Signal Generator
- Power cord (country-specific)
- USB data cable (UT-D14)
- Quick start guide
- Calibration certificate
Warranty Information
UNI-T guarantees that the instrument is free from defects in material and workmanship for three years from the purchase date. Accessories carry a one-year warranty.
Why Choose the UNI-T USG3045M?
The USG3045M combines precision engineering, intuitive operation, and comprehensive functionality in a cost-effective package. Whether you're developing new wireless technologies, validating RF components, or educating the next generation of RF engineers, the USG3045M delivers the performance and reliability needed for successful outcomes.
For applications requiring higher frequencies or mechanical attenuation, consider the USG3065M or the "P" series models with enhanced output power capabilities.
