EME3-144 2m Preamplifier with Band-Pass Filter and Transmit Receive Relays 144MHz – 148MHz 1500W

For serious EME and contest stations. Complete solution. Super low loss bandpass filter, low noise pre-amplifier with PGA-103+ and QRO relay.

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

 

 

This combination consists of three devices:

1. 144 – 146 MHz High Selectivity, High Q, Low Loss Bandpass Filter worth 105 EUR

2. PGA-103+ Wideband Low Noise Amplifier worth 79 EUR

3. High Power Relay with “N” connectors worth 100 EUR

 

Receive gain:

1.8 MHz < -77 dB
3.8 MHz < -81 dB
7.1 MHz < -81 dB
14.15 MHz = -75 dB
21.2 MHz = -67 dB
28.4 MHz = – 51 dB
50 MHz = -38 dB
70 MHz = -27 dB
88 MHz= -17 dB
144 – 148 MHz = +25 dB, NF=0.7 dB, Input RL -11dB, IP3out > 37 dBm
288 MHz = -30 dB
296 MHz = -31 dB
432.1 MHz = -22 dB
440 MHz = -20 dB
Power consumption +12 V, 220 mA
Transmit: Input RL: <= -37 dB, Insertion loss: 0.04 dB
Maximum power input at SWR: 1:1 = 1500 W; 1:1.5 = 1000 W; 1:2 = 750 W; 1:3 = 500 W

 

EME3-144 2m Preamplifier with Band-Pass Filter and Transmit Receive Relays 1500W. Version with SO239 12V input connector.

 

 

 

Energized on receive (+12V).
Transmit 0V (no voltage).

 

Versions of product:

1. With “N” connectors. Listed price.

2. With 7/16 DIN Antenna and TX OUT connector. “N” connector on RX OUT. Listed price + 30 EUR

 

Outdoor version:

All the options above can be made for Outdoor mounting and it is + 9 EUR. For that, you will receive:

1. EME 3 144 – 148 MHz High selectivity, High Q, Low Loss Bandpass Filter with PGA-103+ VLNA and Transmit / Receive Relay.

2. Special “Plastic Box – DB” with IP63 standard (Resistant to Rain, Wind, and UV)

3. Mast mounting clamp for plastic boxes. U-Bolt with a serrated saddle for up to 50 mm pipe.

Measured data on the assembled filter with HP8753ES network analyzer full 2-port calibrated:

 

EME3-144 2m Preamplifier with BandPass Filter and Transmit Receive Relays 1500W. Gain on 4m and 6m

 

 

EME 3 Band Pass filter with PGA103+ Preamplifier and T/R relay Measured HF

 

 

144MHz – 148MHz EME3-144 with PGA-103+ Preamplifier 1500W T/R Relays Measured Attenuation 70MHz and FM 88-108MHz

 

2m Low Loss Bandpass EME preamplifier with PGA-103+ Preamplifier 1500W Relays. Measured Harmonics Attenuation.

 

2m EME3-144-148MHz preamplifier measured insertion loss and return loss on the transmission side.

 

 

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

Our EME2 and EME3 family. BandPass filters + Preamplifier + High Power Relays

6 meter band, EME2 – 50: EME2-50 6 meter band, EME3 – 50: EME3-50
4 meter band, EME2-70: EME2-70 4 meter band, EME3-70: EME3-70
2 meter band, EME2-144: EME2-144 2 meter band, EME3-144: This one.
70 cm band, EME2-432 EME3-432