Page 10 - GB-4000 Brochure www.QuantumBalancing.com
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to 20,000 Hertz sweep capability for any The “GB-4000” also has the capability to
channel or frequency that may be run. run 2 frequencies simultaneously from 1
The “GB-4000” also has the ability to Hertz up to 20 million Hertz for those who
sweep up or down through hundreds or want to do broad range converging sweeps.
even millions of frequencies over a pre- The “GB-4000” has both sine and square
selected period of time. The advantage to wave capabilities. The square wave has a
this is you can run through many frequen- 10 to 100% duty cycle capability.
cies one right after another. The original 1930s/1950s instruments
Most generators only have one output only used three waveforms called sine,
circuit, but the GB-4000 has two for greater damped and square wave. The damped
flexibility in running frequencies. The “Audio waveform, which only has 11% power out-
Mode” has a 0.75-watt power output for au- put, was replaced by the square wave
dio and RF frequencies from 1 Hertz to waveform because it is the most powerful.
400,000 Hertz used without an RF “carrier” This waveform is capable of 100% power
frequency. output. All other waveforms such as triangle
The other circuit, called “RF Mode” is for and trapezoid, ramp up and ramp down are
audio frequencies used with an RF “carrier” just sales hype and do not have the power
frequency including all higher RF frequen- or harmonics that the square wave has. Be-
cies up to 20 million Hertz. It has a 3.7-watt cause of this fact they were never used in
power output which means it not only has the original instruments. This is the reason
the power to run one frequency at a time but why we do not use them either even though
it is the only frequency generator, like the we could.
original 1950’s instruments, that can run up The “GB-4000” has a 1 to 5000 Hertz
to 8 frequencies simultaneously up to gating or pulsing feature with a 10 to 90%
40,000 Hertz with sufficient power for all 8 duty cycle capability.
frequencies. This makes it up to 8 times Many other frequency generators only
faster to use than any other frequency gen- have two connectors but the “GB-4000” has
erator on the market today. four, doubling its capability.
Nobody wants to spend 24 minutes run- Each generator is a small unit weighing
ning 8 frequencies when you can spend on- only two pounds. It can be run 24/7 without
ly 3 minutes running them. Like most of us, any concern of overheating.
your time is valuable to you. Why waste If you’re one of the many people wanting
your time with other instruments that can to own a function generator with the capabil-
only run 1 frequency at a time instead of up ities of the “GB-4000” then this is the fre-
to 8 frequencies at one time.? quency generator you should choose.
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