What is a compatible scanhead?A compatible scanhead should have the same specifications as the original. The specifications should include the following at least: 1. center frequency 2. elements number 3. pitch 4. convex radius Better,the following specifications can be satisfied: 5. relative band width (RBW )is as the same as the original, or larger than 50%, usually. 6. the capacitance is within 10%. 7. the average sensitivity is within 2dB. |