Telecommunications – Transmitter – Frequency conversion
Patent
1997-01-31
1999-03-09
Urban, Edward F.
Telecommunications
Transmitter
Frequency conversion
455102, 455119, H04Q 720
Patent
active
058813756
ABSTRACT:
The present invention teaches a paging transmitter that has an exciter that upconverts a modulated signal to an intermediate frequency (IF) above that of the transmit frequency. By so doing, the paging transmitter can broadcast a large range of transmit frequencies. Additionally, filtering of unwanted byproducts during the upconversion process is significantly simplified.
REFERENCES:
patent: 5418818 (1995-05-01), Mardchetto et al.
patent: 5638401 (1997-06-01), Jones
patent: 5732333 (1996-02-01), Cox et al.
Gesesse Tilahun
Glenayre Electronics, Inc.
Urban Edward F.
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