HDF56A Datasheet PDF

Approved by: Checked by: Issued by: SPECIFICATION PRODUCT: MODEL: SAW FILTER HDF56A SHOULDER ELECTRONICS LIMITED SHOULDER ELECTRONICS LIMITED GPS the Specification for GPS Antenna DAS1575R(25 25 4) Center Frequency V.S.W.R Band Width Attenuation Impendence Peak Gain Gain Coverage Polarization 1575.42MHz 3 MHz 1.5:1 5 MHz f0 100MHz 30dB 50 ohm 3dBic Based on 7 7cm ground plane -4dBic at –90 0 +90 (over 75% Volume) RHCP LNA Specification DAM1575A1E1 LNA Gain (Without cable) Noise Figure V.S.W.R DC Voltage DC current 27dB Typical 1.5dB Max 2.0 3V 0.3 (optional) 15mA Max(optional) SHOULDER ELECTRONICS LIMITED GSM the Specification for GSM Antenna ------------------------------------- Working Frequency V.S.W.R Impendence Peak Gain Azimuth Polarization 824MHz~960MHz 1850MHz~1990MHz 2:1 50 ohm 2dBi@900 MHz 2dBi@1800 MHz Omni-directional Linear Polarization Mechanical Specification Weight Size Cable Connector Mounting Housing 160( )gram 77mm 14mm RG174 0.4meter l