Description
The EC-BSF3-2450M-100 is a high-performance bandstop filter realized using microstrip transmission-lines on a low-loss microwave laminate. This filter can be used for test and measurement or for educational demonstration. The filter attenuates the widely-used 2.45 GHz WiFi/ISM/Bluetooth/Zigbee band with a bandwidth of 100 MHz and an in-band rejection of > 18dB. It is very low-loss out of the stop band. The filter is realized using ring resonators coupled to a microstrip transmission line for low-loss and high-power handling, while also passing DC. As a transmission line-based microstrip circuit, the filter will exhibit a periodic response at 4.9 GHz. The filter is equipped with female SMA connectors on both ports. The backside solder mask is absent, enabling it to be surface mounted if the connectors are removed.
Specifications
| Parameter | Condition | Value |
| Impedance | 50 ohm | |
| Center Frequency | 2.450 GHz | |
| Bandwidth | 100 MHz | |
| Stopband rejection | 2.370 to 2.484 GHz | 18 dB min |
| Insertion loss | 0.000 to 2.324 GHz | 3 dB max |
| 2.542 to 4.480 GHz | 3 dB max | |
| Input power | CW | 10 W min |
Data
| Type | File | Download |
| S-parameters | .s2p |  |
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