PRODUCT OVERVIEW

This is a small, cost-effective band pass filter centered at 1575.42 MHz with a typical insertion loss of 2.7 dB in the pass band.

The filter has a DC bypass. It passes DC voltage from the connected GPS receiver across the filter, through the RF input port to the antenna. It can therefore be used with an active GPS antenna.

This filter has excellent rejection specifications. Rejection at 850 MHz and 1640 MHz for instance, is greater than 40 dB. The filter also provides power handling of up to a maximum +10 dBm and has an operating temperature range of -40C to +85C. Note: you can swap the input for output in this filter as it is largely symmetric in terms of S21=S12.

APPLICATIONS

GPS L1 signal reception Rejection of strong signals in Cellular, LTE, UHF and 915 MHz, 2.4 GHz ISM bands Filtering in GNSS, GPS, Software-defined radios such as HackRF, RTL-SDR, USRP, etc.

SPECIFICATIONS

Passband

1575 + 7.5 MHz

Frequency ------ Minimum Attenuation

850 MHz ------ 45 dB

1500 MHz ------ 40 dB

1535 MHz ------ 30 dB

1615 MHz ------ 45 dB

1640 MHz ------ 45 dB

1700 MHz ------ 50 dB

NOTES

Maximum RF input signal Level: +10 dBm

The filter uses SMA-F connectors.

RELATED PRODUCTS

• GPS L1 Filter
• GPS L1 Filter with Input Bias T (+3.3V)
• GPS L1 Filter with Input Bias T (+5V or DC header voltage)