OEM GPS Antenna Module with Low Noise Amplifier

Overview

SA-50/60C is for embedded GPS antenna that provides continuous L1 band with high gain and low power consumption to a wide selection of GPS receivers in today's market.

SA-50/60C is the integration of a high performance GPS patch antenna and a state-of-the-art low noise amplifier mounted on a 29mm x 38mm x 10.5mm in size. The unit provides excellent antenna signal amplification to any GPS receiver with a +3~5Vdc antenna power at the center pin.

Features

• Low Noise Figure
• Excellent Temperature Stability
• Very Low Power Consumption
• Compact size

Applications

Specification

Physical Constructions:

• Dimensions: 29mm x 38mm x 10.5mm
• Weight: 20grams (without cable & connector)
• Shielding: LNA circuits are shielded with metal frame to avoid interference

Cable & Connector:

• Cable Length: 3m to 5m
• Connector Type: optional

Antenna Element:

• Center Frequency: 1575.42 MHz +/-1.023MHz
• Polarization: R.H.C.P. (Right Handed Circular Polarization).
• Absolute Gain @ Zenith: +5 dBi typical.
• Gain @ 10º Elevation: -1 dBi typical.
• Axial Ratio: 3 dB max.
• Output VSWR: 1.5 max. with (5m of RG174/U cables connected.)
• Output Impedance: 50 Ω

Low Noise Amplifier:

• Center Frequency: 1575.42 MHz +/- 1.023 MHz.
• Power Gain: SA-50C: 26 dB typical, SA-60C: 30 dB typical
• Bandwidth: 2 MHz min.
• Noise Figure: SA-50C: 2.5 max, SA-60C: 1.5 max
• Supply Voltages: SA-50C: 3.0~5.0V DC, SA-60C: 4.5~5.5V DC
• Current Consumption: SA-50C: 12mA+/-2mA, SA-60C: 28mA+/-3mA
• VSWR: 2.0 max.
• Output Impedance: 50 Ω

Overall Performance: (antenna element, LNA & coax cable)

• Center Frequency: 1575.42 Mhz
• Gain: SA-50C: 25 dB min., SA-60C: 27 dB min.
• Noise Figure: SA-50C: 2.5 max., SA-60C: 2.0 max.
• Bandwidth: 2 MHz min.
• Axial Ratio: 3 dB max.
• VSWR: 2.0 max.
• Output Impedance: 50 Ω

Environmental:

• Operating Temperature: -40ºC~ +85ºC.
• Storage Temperature: -50ºC~ +90ºC.
• Relative Humidity: 95% non-condensing.