Radio frequency modulators (RF modulators) take lowpass frequencies, which start at zero, and convert them to a radio frequency signal of 3Hz to 300 GHz through modulation. From transceivers to video modifiers, a RF modulator is an integral component for signal transmission.

Use a mini RF modulator or other specific type modulator according to your needs. Many different types of modulators fulfill many specific purposes. For example:

1. Satellite RF modulators connect satellite receivers to TVs without audio-visual (AV) inputs.

2. Civilian applications, as well as military and aerospace applications, use microwave modulators in semiconductor devices.

3. Computer modems and routers are samples of different products, which use a wireless RF modulator.

Action Steps
The best contacts and resources to help you get it done

Purchase a dependable microwave modulator

Whether you are looking for a RF modulator box or other modulator product, look for RF modulators that stand out among others because of their reliability and portability. Make sure the modulators come from certified manufacturers who put them through rigorous testing before selling.

I recommend: Tyco Electronics has a solid history of providing engineered electronic components to customers. With over 50 years of experience, it offers almost 500,000 products. If you are looking for modulators for military or aerospace use, consider Herley. It works with the United States government and militaries worldwide to provide solutions.

Purchase wholesale or used RF modulator equipment

When you buy used or refurbished radio frequency modulators, you save money and often get a chance to exchange the equipment, if it's not completely satisfactory in performance.

I recommend: TecNec Distributing offers customers RF modulators and other components at wholesale prices. This wholesale electronics distributor sells to dealers and resellers. Test Equipment Connection offers refurbished electronic equipment including modulators. This company supplies products for customers around the world, carries thousands of products and also gives you the option of trading in or selling your used equipment.

Order custom RF modulators to fulfill your product needs

While most manufacturers carry a product in stock that you can use, you may find that a custom RF modulator fits your needs better. Manufacturers work with businesses that have unique radio frequency modulator specifications, and many consult with customers to meet unique criteria.

I recommend: GT Microwave, an ISO 9001-2000 certified company, offers custom solutions to clients through its engineering consulting services. Its foundation lies on its knowledge and expertise in the field of electronics. Diversified Technologies helps clients cut costs and develop solutions through consultations and development. The company staffs experts in design, analysis concept generation and testing.

Tips & Tactics

Helpful advice for making the most of this Guide

• •  Use small, portable RF modulators when you do business on the road to connect your equipment to TVs or other devices with RF coaxial-only inputs.