70cm IC9700 Preamplifier With 150W Relays Contest2-432 for ICOM Radios

You want contesting or low-power EME, but need a good preamplifier with transmit/receive relays and direct drive with your ICOM IC-9700, IC-910H, or similar radios. 70cm IC9700 Preamplifier With 150W Relays Contest2-432 is a key solution. Full band coverage 430-450MHz. Integrated very sensitive preamplifier with super low-loss input band pass filter, which will prevent out-of-band stations from lowering receiver sensitivity and your contest performance. Integrated Bias Tee, so no need for additional wires or power supplies. Just an ICOM radio.

 

70cm IC9700 Preamplifier With 150W Relays Contest2-432 for ICOM Radios Apperance:

 

70cm IC9700 Preamplifier With 150W Relays Contest2-432 for ICOM Radios consist of:

1. 70cm BandPass Filter 430-450MHz on input side
2. Low-noise preamplifier
3. High-power relays
4. Isolation relays
5. 70cm Bias Tee similar to this one.

 

How to setup ICOM IC-9700:

 

ICOM IC-9700 Function EXT P.AMP

 

ICOM IC-9700 70cm Preamplifier ON

 

Put ICOM IC-9700 External 70cm Preamplifier Delay 30ms

 

70cm IC9700 Preamplifier Contest2-432 for ICOM Radios Characteristics:

Receive gain:
1.8 -28MHz < –55dB
50MHz –38dB
70MHz –30dB
144MHz –12dB
430 – 450MHz: +20.5dB, NF= 0.7 dB, Input RL= -13dB, IP3out >37dBm
864.2MHz –15dB
1296.1MHz –28dB
Power consumption: +12V, 230mA
Transmit delay: 30 ms
Transmit path: RL≤ -30dB, Insertion Loss 0.28dB
Maximum power input at SWR 1:1 150W, 1:1.5 125W, 1:2 75W, 1:3 50W

 

70cm IC9700 Preamplifier With 150W Relays Contest2-432 Options by Order:

• Outdoor version in DB plastic box IP63 rating +12 EUR
• 7/16 DIN connectors 50 EUR

 

Measured data on assembled 70cm IC9700 Preamplifier with 150W Relays Contest2-432

70cm IC9700 Preamplifier With 150W Relays Contest2-432 for ICOM Gain and Return Loss

 

For other Contest2 and EME2 – EME3 family look here: