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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+ Wide band Low Noise Amplifier worth 79 EUR
3. High Power Relay with “N” connectors worth 100 EUR
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
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 Band-pass Filter with PGA-103+ VLNA and Transmit / Receive Relay.
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 Band-Pass 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 transmit side.
Designed to be used with transceivers with separate RX antenna input connector.
Our EME2 and EME3 family. Band-Pass 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