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AS-2108A/ARN-89A: Quick Reference Data

Part Number -- AS-2108A/ARN-89A

Name: AS2108A/ARN-89A Antennas
Category: LF/MF Antennas
Photo(s): AS-2108A/ARN-89A
NATO Stock Number (NSN): 5985-00-001-4077
Height: 1 in (2.54 cm) (repeated below)
Frequency Range: 100 KHz to 3.0 MHz - for antennas (repeated below)
Features: * Two bi-directional antennas
* High gain pre-amplifier for each channel
* Sealed for environmental protection
Description: Valcom manufactures the AS-2108A.ARN-89A Receiving Loop Antenna for use in conjunction with the AN/ARN-89A Direction Finder Set.

The antenna consists of two ferrite rod, bi-directional antennas mounted at right angles to each other, as well as high gain pre-amplifier for each channel.  All components are potted within a metal and fibreglass shell and sealed to provide environmental protection.

Electrical Characteristics

Frequency Range: 100 KHz to 3.0 MHz
Impedance: 50 OHMS nominal
Electrical Requirements: 15 ± 177; 0.5 Volts DC
Pre-Amplifier Gain: 20.5 dB @ 100 KHz
25.0 dB @ 800 KHz
18.0 dB @ 3.0 KHz

Mechanical Characteristics

Dimensions: 11.8 in (30 cm) Overall Length
11.8 in (30 cm) Overall Width
1 in (2.54 cm) Height
 

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