EME199 Series Filter Kits

EME199-BPF9-1M8-75M Top View
BPF9-1M8-75M 9th order 1.8 to 75MHz Bandpass Filter

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EME199 Description:

The Mini-Kits EME199 PC Board has been designed for constructing simple filters using SMD components, and fits into a Hammond 1590A enclosure. Kit part numbers are prefixed for filter type, ( LPF Low Pass, BPF Band Pass or HPF High Pass ), the number after is the filter order, followed by the band or frequency in MHz. These filters are easy to construct, and require minimal alignment if constructed as per the Kit notes.

Please Note: These filters are designed for receiver applications only and are not designed for transmitting power over +20dBm 100mW through. Many older Transceivers has a receiver loop through on the back panel that can be used to connect to external filters.

Kit Constructors Alert:

1/ There are no current alerts.

BPF9-1M8-75M Kit Notes:

The BPF9-1M8-75M consists of 9th order 1.8MHz high pass, and 75MHz low pass filters, and has been designed to protect HF receivers from overload or inter modulation caused by very high AM and FM broadcast band signals. The filter uses a number of SMD components that are easily fitted to the board. The filter essentially is no tune, and no alignment or test equipment is required. The filter is ideal for many low cost SDR receivers that suffer for overload.

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EME199-BPF9-1M8-75M Top View
Top view of the 9th Order 1.8 to 88MHz Band Pass Filter.
EME199-BPF9-1M8-75M Low Cut Filter
The above plot shows the s21 through loss and S11 return loss of the 1.8MHz High pass filter from 0.1 to 3MHz
BPF9-1M8-75M Bandpass Filter Response
The above plot shows the s21 through loss and S11 return loss of the BPF9-1M8-75M Filter from 0.5 to 150MHz
EME199-BPF9-1M8-75M High Cut Filter
The above plot shows the s21 through loss and S11 return loss of the 75MHz Low Pass Filter from 50 to 150MHz.
EME199 Am Band No Filter
The above plot shows the AM broadcast band signals without the filter installed
EME199 Am Band With Filter
The above plot shows the AM broadcast band with the filter installed
EME199 Fm Band No Filter
The above plot shows the FM broadcast band signals without the filter installed.
EME199 Fm Band With 75Mhz Low Pass Filter
The above plot shows the FM broadcast band with the filter installed.

Mounting into a Die cast Enclosure:

Refer to the EME164 Kit webpage

Changes and Repairs:

1/ There are no changes to these Kits