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System Block Diagram VCO As A Multiple Signal Oscillator 4 to 1 Power Combiner System Layout System Practical Operation – room 319 “To do” List Gantt
F1 F2 F3 F4 Power Combiner Mini Circuits ZN4PD1-50+ OUT VCO1 ADF-4350 USB EVB (Evaluation Board) VCO2 ADF-4350 USB EVB (Evaluation Board) f f1f1 f f2 f f3 f4 f f f3f2f1
The VCO is able to produce 1 - 4.4 GHz signal Signal A – VCO output divided by 1/2/4/8/16 Signal B – the VCO output VCO signal VCO signal after division
2 VCO’s produces 4 signals - Signal B Signal A Signal C Signal D VCO2VCO1
Bandwidth - 0.5 to 5 GHz 4 to 1 combiner High isolation – 23db typical value Insertion loss - inputdelta (db) 0.5G0.0 1G1.5 1.5G0.5 2G0.6 2.5G1.3 3G1.5 3.5G0.9 4G1.9 4.4G1.2
System Output Power in USB-1 USB-2
4 output frequencies – 1.6, 2, 3.2 and 4GHz 1.6GHz First harmony 1.6GHz Second harmony 2GHz Second harmony 2GHz First harmony 3.2GHz First harmony 4GHz First harmony
VCO1 – 1.6 and 3.2GHz VCO2 – 2 and 4GHz
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