The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
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.