Frequency signal generator apparatus and method for simulating i

Details Frequency signal generator apparatus and method for simulating i Frequency signal generator apparatus and method for simulating i

1991-01-15

1993-06-15

Eisenzopf, Reinhard J.

Telecommunications

Transmitter

Plural modulation

455 1, 455 331, 455112, 455118, H04B 104

Patent

active

052206807

ABSTRACT:
This invention is a multiple-frequency signal generator apparatus and method primarily for simulating a cell site interference environment for electromagnetic communications systems. The generator can produce a plurality of frequencies having a frequency-spacing of d cycles per second. The invention comprises a single frequency multiplier, at least three oscillators and two mixers for providing a multitude of frequencies closely spaced about a carrier frequency. The simple design and components avoid complexity and save costs.

REFERENCES:
patent: 4296496 (1981-10-01), Sadler
patent: 4317214 (1982-02-01), Attinello
patent: 4977376 (1990-12-01), Schiek et al.

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