Features:

• Frequency Range: 9 kHz to 60 MHz
• Battery Operated
• Individual Calibration Included
• Active Matching Network
• Fiber Optic Remote Monitor/Control option
• Three-year Standard Warranty

Applications:

• The AM-741 Active Monopole Antenna is used for radiated emissions measurements, typically below 30 MHz. It is commonly used for tests according to RE102 of MIL-STD-461, Section 21 of RTCA DO-160, CISPR 25 (automotive), and other various standards. It is required per most test procedures, that the counterpoise be bonded directly to the ground plane on (or over) which the Equipment Under Test (EUT) is installed.

Specifications: 

• Frequency Range: 9 kHz to 30 MHz (usable to 60 MHz)
• Polarization: Vertical
• Nominal Impedance: 50Ω (output port)
• Battery Type: 6 VDC NimH (rechargeable)
• Average Battery Life: 10-12 hours (new, fully charged battery)
• Active Antenna Factors: (typical) -1.2 to -0.3 (average: -0.5) [dB(m-1)]
• Antenna Factor Variation: (maximum) ±0.5 dB (9 kHz to 30 MHz)
• Dynamic Range: 103 dB @ 1 MHz [1 kHz bandwidth]
• Lower Limit of Field Strength Measurement: 7 dBμV/m (2.2 μV/m) @ 1 MHz [1 kHz bandwidth]
• Upper Limit of Field Strength Measurement: 110 dBμV/m (0.35 V/m) @ 1 dB compression
• VSWR: (output port) 1.01 to 1.329 (average: 1.06) :1 (typical)
• Return Loss: (output port) 17.0 to 41.1 (average: 33.1) dB (typical)
• RF Connectors: (input/output ports) N-type (female)

The Com-Power AM-741 is an Active Monopole Antenna operating over the frequency range of 9 kHz to 30 MHz (usable up to 60 MHz). Its removable, telescoping rod element is adjustable from 23 to 105 cm (approximately). Most standards specify a rod height of 104 cm (41 inches).