Garmin MX20 - A-34 (590-1112)

Specifications
MX20 Installation Manual 560-1025-09 Rev E 55
Amplifier:
Gain.......................................26.5 dB ±2 dB
Noise Figure:.........................2.5 dB Max
Impedance:............................50 ohms
VSWR (Dry):........................<
1.5:1
VSWR (Rain):.......................< 2.0:1
Band Rejection: ....................35 dB
Power Handling: ...................1 Watt
Voltage:.................................5 VDC ±10%
Current: .................................35 mA nominal, 40 mA max.
L1 Filter Bandwidth..............1575 ±10 MHz (3 dB) +110, -210 MHz (60dB)
3.3.2 A-34 (590-1112)
Early production runs of PN 590-1112 were marked with TSO-C129a. This antenna was re-qualified to
TSO-C144 with no changes to the antenna. P/N 590-1112 antennas marked with TSO-C129a identification
are identical to those marked with TSO-C144.
Frequency:.......................................................1575 MHz
Polarization: ....................................................Right Hand Circular
Axial Ratio:.....................................................3 dB Max at bore site
Radiation Coverage:........................................Elevation Angle Minimum Gain
>15º -2.0 dBic
10º -3.0 dBic
5º -4.5 dBic
0º -7.5 dBic
Finish: .............................................................Polyurethane Enamel
Weight: ...........................................................6.0 oz. (0.2 kg)
Height: ............................................................0.66 inches (1.76 cm)
Operating Temperature: .................................-55°C to +85°C
Operating Altitude: ........................................55,000 feet (16,764m) max.
Amplifier:
Gain.......................................26.5 dB ±2 dB
Noise Figure:.........................2.5 dB Max
Impedance:............................50 ohms
VSWR (Dry):........................<
1.5:1
VSWR (Rain):.......................<
2.0:1
Band Rejection: ....................35 dB
Power Handling: ...................1 Watt
Voltage:.................................5 VDC ±10%
Current: .................................35 mA nominal, 40 mA max
L1 Filter Bandwidth..............1575 ±10 MHz (3 dB) +110, -210 MHz (60dB)