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Published technical specifications for PCAS Model XRX, as of 12/2006. Subject to change without notice.


Environmental

Altitude Min. 0 ft. Max. 22,000 ft (FL220)
Temperature Min. -15°C (+5°F) Max. +60°C (+140°F)
Pressure Min. 0 kPA (0 PSI) Max. 100 kPA (14.5 PSI)
Humidity Tested to 100% humidity

Mechanical

Dimensions 3.9 (100 mm) Width
3.6 (93 mm) Depth
2.7 (69 mm) Height (includes antenna)
Weight 8.2 oz. (232.5 g)

Electrical

Power 10-48 VDC Negative ground
Consumption @ 14V 4.2 watts max.
@ 24V 2.6 watts max.
Current 450-500 mA 475 mA nominal
Connector Type 2.35mm mini Tip positive

Receiver

Type Superheterodyne / PLL x4
Selectivity 1090 MHz
Bandwidth ±8.1 MHz
Signal Modes X, Y, A, C, S, 2, 3/a, 3/c
Scan Rate 6.4 kHz
Data Rate 1000 kbps
MTL Sensitivity -78 dBm
Max Peak Power +28 dBm
Max Detection Range 22.0 NM 100% Error Rate
7.0 NM 10% Error Rate
Dynamic Range 68 db

Accuracy

Range Resolution 0-2.0 NM ±0.1 NM
2.0-3.0 NM ±0.2 NM
3.0-6.0 NM ±1.0 NM
Bearing Resolution 10° (45° displayed)
Altimeter Accuracy ±200 ft.
Compass Accuracy ±20°
Bank/Pitch Accuracy ±6°
Temperature Sense 0.1°C

Antenna Array

Type Directional capable, internal, multi-element directional array
Number of Antennas 4
Open Space ±8.2°
Obstruction ±30°
Sense Amplitude / Phase
Phase Balance ±12°
Amplitude Balance ±0.6
Phi Range >65°
Polarization Cross
Gain +2.2 dBi

Display

Type FSTN Liquid Crystal Display, Black/White, Wide Temp
Resolution 122 x 32
Viewing Angle 12:00
Backlight White Electroluminescent

Audio

Impedance 300 ohms x 2 channels or 600 ohms x 1 channel, selectable
Power 4.0 watts max. @ 2.5 volts peak-to-peak
Compatibility Stereo / Mono selectable, ground isolation or connection