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Article: A low cost, 1200 MHz frequency synthesizer.
- Article from:
- Microwave Journal
- Article date:
- January 1, 1999
CopyrightCOPYRIGHT 1999 Horizon House Publications, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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As wireless production expands, test systems requiring high performance LO sources are proliferating. To address the price pressures found in the wireless market, a new low cost synthesizer that features fast switching and low phase noise coveting the 1 to 1200 MHz frequency range has been introduced. The model L1200 is a good choice for testing wireless devices in the 800 to 1000 MHz bands and features a frequency switching speed of 20 [micro]s, phase noise of -120 dBc/Hz at 20 kHz offset and spurious outputs of-60 dBc or better, Figure 1 shows the synthesizer's phase noise specification.
SYNTHESIZER DESIGN
The device's fast switching speed and good ...