Log Periodic Antenna applications and advantages:
The Log Periodic antennas are used for emission and immunity testing to verify compliance with FCC, CE and MIL-STD 461 specifications. Log Periodic antennas allow quick sweep measurements without a band break. This feature makes it convenient to use the Log Periodic antenna with an automated emissions or immunity measurement system. The size of the antenna also allows it to be used in a small area like a shield-room. The Log Periodic antenna was designed to get a smooth response curve for the antenna factors to minimize measurement errors. The calibration data provided with each antenna is used to calculate the field strength measured for the selected frequency. The antenna factor (dB/m) for the selected frequency is added to the measured output (dBV) displayed by the EMI meter to obtain field strength (dBV/m).
The linearly polarized Log Periodic Dipole Array (LPDA) Antenna (such as Com-Power's ALFM-80120) operates over the frequency range of 80 MHz to 120 MHz. The ALFM-80120 Power Log Periodic Antenna is part of our custom designed antennas geared specifically for use as a high-power transmitting antenna to establish radiated RF fields for immunity tests, and is capable of handling power levels up to 2500 Watts (CW).
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