Here is a well-structured, reliable list of major Signal Generator manufacturers worldwide, including addresses, phone numbers, email, website details, and the types of signal generators they produce. These are globally recognized companies in test & measurement and RF engineering.
🌍 Major Signal Generator Manufacturers (Global Directory)
1. Keysight Technologies
Types
RF Signal Generators
Vector Signal Generators (VSG)
Arbitrary Waveform Generators (AWG)
Contact Details
Headquarters: 1400 Fountaingrove Parkway, Santa Rosa, CA 95403, USA
Phone: +1 800 829 4444
India Phone: +91 80 6215 9000
Email: Via support portal
Website: https://www.keysight.com
2. Rohde & Schwarz
Types
Microwave Signal Generators
Vector Signal Generators
RF Signal Generators
Contact Details
Address: Mühldorfstraße 15, 81671 Munich, Germany
Phone: +49 89 4129 0
India Phone: +91 11 42535400
Email: info@rohde-schwarz.com
Website: https://www.rohde-schwarz.com
3. Tektronix
Types
Arbitrary Waveform Generators
Function Generators
Contact Details
Address: 14150 SW Karl Braun Drive, Beaverton, Oregon 97077, USA
Phone: +1 800 833 9200
Website: https://www.tek.com
4. Anritsu Corporation
Types
RF Signal Generators
Microwave Signal Generators
Contact Details
Address: 5-1-1 Onna, Atsugi-shi, Kanagawa 243-8555, Japan
Phone: +81 46 223 1111
Email: Via website contact
Website: https://www.anritsu.com
5. Rigol Technologies
Types
Function Generators
Arbitrary Waveform Generators
Contact Details
Address: No.1568 XinJin Road, Pudong New Area, Beijing/Shanghai, China
Phone: +86 10 80706688
Email: info@rigol.com
Website: https://www.rigol.com
6. Siglent Technologies
Types
Function Generators
RF Signal Generators
Arbitrary Waveform Generators
Contact Details
Address: Building 4 & 5, Antongda Industrial Zone, Shenzhen, China
Phone: +86 755 3688 7876
Email: info@siglent.com
Website: https://www.siglent.com
7. National Instruments
Types
Modular Signal Generators
Vector Signal Generators
Software-defined generators
Contact Details
Address: 11500 N Mopac Expressway, Austin, Texas 78759, USA
Phone: +1 512 683 0100
Email: Via contact portal
Website: https://www.ni.com
8. Yokogawa Electric Corporation
Types
Function Generators
Signal Sources
Contact Details
Address: 2-9-32 Nakacho, Musashino-shi, Tokyo 180-8750, Japan
Phone: +81 422 52 5555
Email: Via website
Website: https://www.yokogawa.com
9. B&K Precision Corporation
Types
Function Generators
Arbitrary Waveform Generators
Contact Details
Address: 22820 Savi Ranch Parkway, Yorba Linda, CA 92887, USA
Phone: +1 714 921 9095
Email: sales@bkprecision.com
Website: https://www.bkprecision.com
10. Aim-TTi
Types
Function Generators
RF Signal Generators
Contact Details
Address: Glebe Road, Huntingdon, Cambridgeshire PE29 7DR, UK
Phone: +44 1480 412451
Email: sales@aimtti.com
Website: https://www.aimtti.com
11. GW Instek
Types
Function Generators
Arbitrary Waveform Generators
Contact Details
Address: No. 7-1, Jhongsing Road, Tucheng District, New Taipei City, Taiwan
Phone: +886 2 2268 0389
Email: marketing@gwinstek.com
Website: https://www.gwinstek.com
📊 Classification by Signal Generator Type
RF & Microwave Signal Generator Manufacturers
Keysight Technologies
Rohde & Schwarz
Anritsu
Arbitrary Waveform Generator (AWG) Manufacturers
Tektronix
Rigol Technologies
Siglent Technologies
B&K Precision
Function Generator Manufacturers
GW Instek
Aim-TTi
Siglent
Rigol
Modular / Software-Based Generators
National Instruments
📌 Key Industry Insights
The signal generator market is dominated by USA, Germany, Japan, and China-based companies.
High-end RF and vector signal generators are mainly produced by Keysight, Rohde & Schwarz, and Anritsu.
Budget and educational equipment is dominated by Rigol, Siglent, and GW Instek.
Modern signal generators increasingly use DDS (Direct Digital Synthesis) and DSP techniques.
✅ Conclusion
Signal generator manufacturing is led by a group of global technology companies that provide a wide range of solutions:
High-end RF & communication testing: Keysight, Rohde & Schwarz, Anritsu
General-purpose & lab use: Tektronix, B&K Precision, Aim-TTi
Cost-effective solutions: Rigol, Siglent, GW Instek
Modular & software-defined systems: National Instruments
These manufacturers collectively cover all major signal generator types—function, RF, microwave, vector, and arbitrary waveform generators, supporting industries such as telecommunications, electronics, aerospace, and research laboratories.
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