50 MHz - 54 MHz High Selectivity Low Loss Band Pass Filter with PGA-103+ Low Noise Preamplifier and 1500W QRO Transmit-Receive Relay EME3-50
This EME 3 - 50 device consists of three components:
7.1 MHz < -59 dB
14.15 MHz = -41 dB
21.2 MHz = -30 dB
28.4 MHz = - 20 dB
50 MHz =+26.6dB, NF=0.8 dB, Input RL-10dB, IP3out > 36 dBm
51 MHz =+26.6dB, NF=0.8 dB, Input RL-10dB, IP3out > 36 dBm
52 MHz =+26.7dB, NF=0.8 dB, Input RL-12dB, IP3out > 36 dBm
54 MHz =+26.9dB, NF=0.8 dB, Input RL-16dB, IP3out > 36 dBm
Harmonics and interfering signals:
70.2 MHz = -6 dB
88 MHz= -27 dB
98 MHz= -35 dB
108 MHz= -40 dB
144.1 MHz = -42 dB
Power consumption +12 V, 220 mA
Input RL: <= -40 dB, Insertion loss: 0.03 dB
Maximum power input at SWR:
1:1 = 1500 W; 1:1.5 = 1100 W; 1:2 = 800 W; 1:3 = 600 W
EME3-50 6m High Selectivity, High Q, Low Loss Bandpass Filter with PGA-103+ Very Low Noise Preamplifier and 1500W T/R Relay Schematic:
Energy on reception is +12 V and +0 V on transmission.
1. With "N" connectors. Listed price.
2. With 7/16 DIN Antenna and TX IN connector. "N" connector on RX OUT. Listed price + 20 EUR
All the options above can be made for Outdoor mounting and it is + 6 EUR. You will receive:
1. EME 3 50 - 54 MHz High selectivity, High Q, Low Loss Band-pass
Filter with pre-amplifier and Transmit / Receive
3. Mast mounting clamp
for plastic boxes. U-Bolt with serrated saddle for up to 50 mm pipe. Two of them.
The recorded data on the assembled filter with HP8753ES full 2-port calibrated are presented below.
EME3-50 Measured gain
EME 3-50 Band Pass filter with PGA103+ Preamplifier and T/R relay Measured HF:
50 MHz - 54 MHz Low Loss Bandpass Filter For Tropo - EME with PGA-103+ Preamplifier 1500W T/R "Narrow band View":
6m Low Loss Bandpass EME-Tropo Filter with PGA-103+ Preamplifier 1500W T/R Relay Measured Attenuation Harmonics:
50MHz Band pass filter with PGA-103+ preamplifier 1500W T/R relay measured insertion loss and return loss on transmission side.
Designed to be used with transceivers with separate RX antenna input connector.
Corresponding VHF band-pass filters:
6 meter band, 50 MHz Economical Bandpass Receiver for Ham: 50 - 51 MHz Economical, Low Loss Bandpass Filter
6 meter band, 50 MHz Receiver Outdoor Bandpass: 50 - 51 MHz High Selectivity High Q, Low Loss RX Bandpass - Outdoors
6 meter band, 50 MHz 300 W Bandpass for Ham: 50 - 51 MHz 300 W Low Loss Bandpass Filter
6 meter band, 50 MHz, 1500 W Bandpass for Ham: 50 - 51 MHz 1500W Low Loss Bandpass Filter
6 meter band, 50 MHz, 4000 W Bandpass for Ham: 50 MHz 4000 W Low Loss Bandpass Filter
We are also making filters on all frequencies and powers. Even if we don't have an offer on our site, we may be able to make it for you. So feel free to contact us.