EME3-144 Band-Pass Filter Preamplifier and T/R Relay 1500 W

2 meter 144MHz – 148MHz Low Loss Band Pass Filter with PGA-103+ Low Noise Preamplifier and 1.5 kW QRO Transmit-Receive Relay EME3-144

In the box embedded 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 89 EUR

2. PGA-103+ Wide band Low Noise Amplifier worth 59 EUR

3. High Power Relay with “N” connectors worth 80 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 2m High Selectivity, High Q, Low Loss Bandpass Filter with PGA-103+ Very Low Noise Preamplifier and 1500W T/R Relay Schematic

 

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

Our EME – Earth-Moon-Earth famil. Band-Pass filters + Amplifiers + High Power Relays

6 meter band, EME2 – 50: EME2-50

6 meter band, EME3 – 50: EME3-50