6m Input Band-Pass Filter with VLNA EME3-50EXP 1500W

A Complete Solution for contesting, DX-ing, and Moon bounce – EME. 1500W 6m Input Band-Pass Filter with VLNA EME3-50EXP. Full frequency range 50-54MHz with maximum power 1500W. Integrated a high selectivity, high Q, super low loss input band pass filter to prevent overload from out-of-band signals. There are no HF 1.8- 30MHz, 4m 70-70.5MHz, 2m 144- 148MHz, or 70cm 430-450MHz stations that could overload this EME3-50EXP preamplifier. 1500W legal limit relays are integrated inside the EME2, including isolation relays. The extremely high-power device you always asked for.

QRO is made on low dielectric loss RT/duroid® 5880 Laminates (not on FR4)

 

6m Input Band-Pass Filter with VLNA EME3-50EXP 1500W Appearance:

This 6m Input Band-Pass Filter with VLNA EME3-50EXP device consists of three components:
1. 50 – 51 MHz High Selectivity, High Q, Low Loss RX Bandpass Filter BPF (up to 54 MHz)
2. Wideband Low Noise Amplifier
3. High Power Relays

Receive gain on 6m Input Band-Pass Filter with VLNA EME3-50EXP:

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 +12V 360mA
Necessary Sequencer delay 30ms
Transmit side: 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

 

 

Product versions:

• With “N” connectors. Listed price.
• With a 7/16 DIN Antenna and a TX IN connector. “N” connector on RX OUT. Listed price + 50 EUR
• Outdoor version +12 EUR

 

Measured data on the assembled 6m Input Band-Pass Filter with VLNA EME3-50EXP:

EME3-50EXP Measured gain

 

EME3-50EXP Measured HF gain:

 

EME3-50EXP “Narrowband View”:

 

EME3-50EXP Measured Harmonics Attenuation:

 

EME3-50EXP measured insertion loss and return loss on the transmit side.

 

Designed to be used with transceivers with separate RX antenna input connectors.

 

Our EME2 – EME3 complete family 8m – 23cm is here.