UNI-T USG5022M-P RF Signal Generator with Mechanical Attenuator
Ultimate Microwave/Millimeter-Wave Signal Generation to 22 GHz with Superior Performance
The UNI-T USG5022M-P stands as the flagship of UNI-T's RF signal generator lineup, delivering exceptional performance from 9 kHz to 22 GHz with mechanical attenuation for premium output power and stability. This state-of-the-art instrument meets the exacting requirements of advanced wireless communications, aerospace and defense, satellite systems, and millimeter-wave research where extended frequency coverage and superior signal quality are non-negotiable.
Superior Performance Attributes
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Mechanical Attenuator System: Premium mechanical attenuation for unmatched output power stability and signal integrity
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Industry-Leading Frequency Range: Generate precision signals from 9 kHz to 22 GHz with 0.001 Hz resolution
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Extended Output Power Range: Deliver up to +23 dBm output (frequency dependent) with precise level control
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Outstanding Signal Purity: Ultra-low phase noise (<-122 dBc/Hz @ 1 GHz, -98 dBc/Hz @ 22 GHz) for sensitive testing
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Exceptional Level Accuracy: ≤ 0.7 dB (typical) for reliable measurements across the frequency spectrum
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Comprehensive Modulation Suite: Standard AM, FM, and ΦM with internal, external, or combined sources
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Advanced Sweep Capabilities: Frequency, amplitude, and list sweeps with customizable parameters
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High-Stability Reference: Internal timebase with ≤ ±0.2 ppm/year aging rate for long-term stability
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Integrated Function Generator: Built-in 50 MHz arbitrary waveform generation for added versatility
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Professional Connectivity: Remote operation via LAN, USB, and optional GPIB interfaces
Strategic Application Areas
Millimeter-Wave Development and Pre-Compliance Testing
Provide fundamental signals for millimeter-wave system development, 5G FR2 testing, and automotive radar applications. The extended frequency range to 22 GHz serves as an ideal source for harmonic multiplication into mmWave bands up to 110 GHz.
Advanced Wireless Communications Research
Support development of cutting-edge wireless technologies including 5G NR, WiFi 6E, and emerging standards with clean, stable signals. The exceptional phase noise performance ensures accurate characterization of sensitive receivers.
Satellite Communications Systems
Test and validate satellite transponders, receivers, and ground station equipment with precise, stable signals. The extended frequency range covers crucial satellite bands including Ku, K, and Ka.
Aerospace and Defense Systems
Meet stringent requirements for radar system development, electronic warfare applications, and secure communications testing. The superior performance characteristics ensure accurate characterization of mission-critical systems.
High-Frequency Component Testing
Characterize filters, amplifiers, mixers, and integrated circuits operating at microwave and millimeter-wave frequencies with clean, stable test signals. The high output power eliminates the need for external amplifiers in many test scenarios.
Comprehensive Technical Specifications
| Parameter |
Specification |
| Frequency Range |
9 kHz to 22 GHz |
| Frequency Resolution |
0.001 Hz |
| Phase Offset |
Step of 0.1° |
| Mechanical Attenuator |
0 to 110 dB, 10 dB step |
| Output Level Range |
-135 dBm to +23 dBm (frequency dependent) |
| Amplitude Accuracy |
≤ 0.7 dB (typical) |
| Phase Noise (1 GHz, 20 kHz offset) |
<-122 dBc/Hz (typical) |
| Phase Noise (10 GHz, 20 kHz offset) |
<-102 dBc/Hz (typical) |
| Phase Noise (22 GHz, 20 kHz offset) |
<-98 dBc/Hz (typical) |
| Harmonics |
≤ -40 dBc (9 kHz to 250 MHz), ≤ -50 dBc (250 MHz to 1 GHz), ≤ -40 dBc (1 GHz to 7.5 GHz), ≤ -35 dBc (7.5 GHz to 22 GHz) |
| Non-harmonics |
≤ -60 dBc (5 MHz to 750 MHz), ≤ -65 dBc (750 MHz to 7.5 GHz), ≤ -60 dBc (7.5 GHz to 14 GHz), ≤ -55 dBc (14 GHz to 22 GHz) |
| Sub-harmonics |
None (9 kHz to 15 GHz), -70 dBc (15 GHz to 22 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) |
| RF Output Connector |
NMD 2.92 (compatible with SMA) |
| Power Supply |
100 to 240 VAC, 50/60 Hz, <75 W |
| Dimensions (H×W×L) |
449mm × 100mm × 474mm |
| Weight |
<20 kg |
| Calibration Period |
One year |
Maximum Output Power Specifications
| Frequency Range |
Maximum Output Power |
| 9 kHz to 5 MHz |
+16 dBm |
| >5 MHz to 250 MHz |
+17 dBm |
| >250 MHz to 3.6 GHz |
+23 dBm |
| >3.6 GHz to 7.5 GHz |
+20 dBm |
| >7.5 GHz to 14 GHz |
+18 dBm |
| >14 GHz to 22 GHz |
+16 dBm |
Advanced Functional Capabilities
Mechanical Attenuation System
The USG5022M-P features a state-of-the-art mechanical attenuator system that provides:
- Superior output power stability for the most demanding measurements
- Enhanced maximum output power up to +23 dBm (250 MHz to 3.6 GHz)
- High-precision 10 dB step attenuator with range from 0 to 110 dB
- Optimized standing wave ratio (SWR) performance across the entire frequency range
- Exceptional long-term stability for mission-critical applications and production testing
The mechanical attenuator delivers excellent VSWR performance and greater power stability compared to electronic attenuators, particularly important for extended frequency range applications up to 22 GHz. This results in more accurate power delivery and consistent measurements for high-frequency testing, millimeter-wave research, and advanced wireless development.
Comprehensive Sweep Functionality
Perform thorough device characterization with multiple sweep modes:
- Linear and logarithmic frequency sweeps for analyzing frequency response
- Amplitude sweeps for gain compression and linearity measurements
- List sweeps with up to 500 user-defined points for custom test sequences
- Multiple triggering options: auto, key, external, and bus triggers
Versatile Modulation Capabilities
Generate sophisticated test signals with advanced modulation:
- AM with depth up to 99% and 0.1% resolution for envelope testing
- FM with maximum deviation up to N × 10 MHz for wideband applications
- ΦM with maximum deviation up to N × 5 radians for phase modulation testing
- Multiple modulation sources: internal, external, or combined for complex signal creation
Optional Pulse Modulation (USG5000M-PM)
Add specialized pulse capabilities for radar and burst transmission testing:
- On-off ratio up to 80 dB (≤ 6.5 GHz) and 70 dB (≤ 22 GHz) for clean pulse generation
- Rising/falling times < 20 ns (typical) for precise edge transitions
- Multiple pulse modes: free-run, square, triggered, doublet, gated, and external
- Customizable pulse trains for complex signal patterns
Optional Narrow Pulse Generator (USG5000M-PG)
Support advanced radar and high-speed digital testing with:
- Minimum pulse width of 20 ns with 10 ns resolution for precise timing control
- Pulse period from 40 ns to 42 s for flexible test configurations
- Ideal for automotive millimeter-wave radar system development and testing
Model Comparison: USG5000M Series
| Feature |
USG5014M |
USG5014M-P |
USG5022M-P |
| Frequency Range |
9 kHz to 14 GHz |
9 kHz to 14 GHz |
9 kHz to 22 GHz |
| Mechanical Attenuator |
No |
Yes |
Yes |
| Max. Power (250 MHz to 3.6 GHz) |
+18 dBm |
+23 dBm |
+23 dBm |
| Max. Power (3.6 GHz to 7.5 GHz) |
+15 dBm |
+20 dBm |
+20 dBm |
| Max. Power (7.5 GHz to 14 GHz) |
+12 dBm |
+18 dBm |
+18 dBm |
| Max. Power (14 GHz to 22 GHz) |
- |
- |
+16 dBm |
| Sub-harmonics (15 GHz to 22 GHz) |
- |
- |
-70 dBc |
USG5022M-P vs. USG3000M Series Comparison
| Feature |
USG3065M-P (Top USG3000M) |
USG5022M-P |
| Maximum Frequency |
6.5 GHz |
22 GHz |
| RF Output Connector |
N-type female |
NMD 2.92 |
| Maximum Output Power (250 MHz to 1.2 GHz) |
+24 dBm |
+23 dBm |
| Phase Noise (1 GHz, 20 kHz offset) |
<-122 dBc/Hz (typical) |
<-122 dBc/Hz (typical) |
| Sub-harmonics |
None |
None (to 15 GHz), -70 dBc (15-22 GHz) |
| Form Factor |
426mm×88mm×400mm |
449mm×100mm×474mm |
| Power Consumption |
<50 W |
<75 W |
Premium Accessories and Enhancements
| Item |
Description |
Order No. |
| Pulse Modulation |
Adds comprehensive pulse modulation capabilities |
USG5000M-PM |
| Narrow Pulse Generator |
Enables generation of narrow pulses for specialized testing |
USG5000M-PG |
| Power Meter Kit |
Provides power measurement, calibration, and control functions |
USG5000M-PK |
| GPIB Interface |
Adds IEEE-488.2 connectivity for automated test systems |
USG5000M-GPIB |
| Accessory Kit |
Complete set of premium cables, adapters, and connectors |
UT-CK02 |
| RF Cable |
UT-W03-40GHz-2.92J RF cable for high-frequency connections |
UT-W03-40GHz |
| Adapters |
2.92-KKG connectors and SMA-N adapters for flexibility |
UT-C04-40GHz, UT-C03-18GHz |
Standard Package Contents
- USG5022M-P RF Signal Generator
- Power cord (compliant with local standards)
- USB data cable (UT-D14)
- 2.92-KKG connector (UT-C04-40GHz)
- Comprehensive user manual
- Calibration certificate
- Quick start guide
Warranty Information
UNI-T guarantees the USG5022M-P against defects in materials and workmanship for three years from purchase. Accessories are covered by a one-year warranty.
Regular calibration is recommended every 12 months to maintain optimal performance and measurement accuracy.
Why Choose the UNI-T USG5022M-P?
The USG5022M-P represents the pinnacle of UNI-T's signal generation technology, offering exceptional performance at a competitive price point. With its extended frequency range to 22 GHz, mechanical attenuator for enhanced output power, and comprehensive feature set, this premium instrument addresses the most demanding requirements in advanced RF and microwave testing.
Whether you're developing next-generation wireless technologies, characterizing high-frequency components, or conducting cutting-edge research, the USG5022M-P delivers the performance, reliability, and versatility needed for success.
