Description:
1200 - 2500 MHz RF Source
subassembly. The design consists of: Fractional N PLL,
modular VCO, Dividers, RF harmonic filters, AGC leveling
loop, and output amplifiers. The 4 layer PCB was designed
with Coplanar waveguide over groundplane and Stripline
techniques for very low sensitivity to manufacturing
tolerances and very low assembly costs.
- 1.2 to 2.5 GHz RF
Source.
- Low phase noise: -100
dBc/Hz at 10 kHz offset
- Fractional N PLL design
with < 1 Hz resolution.
- AGC leveled, 14 dBm
output power.
- Precision AGC with <
2 dB output power drift over 0 to 60 Deg C temperature
range.
- Switched harmonic
filters.
- Self contained
calibration DAC's and power supplies.
- Three wire serial system
interface.
- Environmentally rugged
design, -40 to 70 Deg C operating range.
- Full test software with
GUI was written to allow board turn on and independent
testing.
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