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3-way active splitter in BOX

3-way active splitter in BOX

This active splitter allows you to split one antenna into multiple RX. The splitter can also be used to split a reference frequency, for example 10MHz. The outputs have high isolation and minimal difference in splitting. The input includes a diode limiter and the preamp gain can be varied by an output attenuator.

Using

Antenna splitter into more receivers
10 MHz reference signal splitter
Antenna splitter into more SDR/skimmers

Main functions

Broadband: 0.1 MHz to 60 MHz
could be used up to 150 MHz
3-way RX splitter
Passive (< 6 dB loss) or Active (up to 13 dB gain)
Very low difference between output ports, less than 0.1 dB @ 50 MHz
Bypass of the Preamp by relays
Low insertion loss, high gain, low noise, high IP3 preamplifier
Input diode limiter
50/75 Ohm impedance - easy jumper switch
Variable gain of preamp easy by ATT at front panel
Quality SMA connectors
Aluminium enclosure: W x H x L = 74 x 29 x 100
4pcs self adhesive feet pads included
DC plug included
ASSEMBLED and TESTED VERSION

Parameters

Impedance 50 or 75 Ohm
Insertion loss with preamp OFF: around 6 dB
Insertion loss with preamp ON: compensated by preamp, up to gain around 12 dB (in to out)
Very low difference between output ports, less than 0.1 dB @ 50 MHz
Isolation > 17 dB port 1-2 and 2-3, > 23 dB port 1-3
SWR on OUTPUT ports better than 1 : 1.1 on HF, resp. 1 : 1.19 on 6m
SWR on IN port around 1 : 1.2 to 1 : 1.7 depends on gain of preamp (Gain 10 dB = SWR 1 : 1.2)
Preamp transistor 2SC5551A
Supply voltage 12 - 14 V (13.8 V recommended)
BIAS current 10 to 70 mA (preset to 40 mA @ 13.8 V)
Supply current up to 180 mA includes relays!
Gain: up to 14 dB
Low Noise Figure (NF) 1.2 dB (20 mA 50 MHz)
Low Noise Figure (NF) < 2 dB (60 mA 50 MHz)
REAL IP3 34 dBm
Input diode limiter about +24 dBm
Bypass of the Preamp without supply voltage

Available as

ASSEMBLED BOX: ready to use

Included in package

Splitter assembled and tested
DC plug - image
4pcs self adhesive feet pads - image

Manual

If you want to know more please check our wiki with 3-way active splitter manual.

3-way active splitter in box assembled qro.cz hamparts.shop

Block diagram of 3-way active splitter

3-way active splitter by qro.cz hamparts.shop

Example for one antenna to three receivers

Example for one antenna to RX and SDR as skimmers

Splitter IN - OUT1

Splitter IN - OUT 1 + preamp

Splitter IN - OUT2

Splitter IN - OUT 3

RX small preamp with 2SC5551 in BOX

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The RX small preamp is very simply low noise preamplifier module with 2SC5551 transistor based on W7IUV design. Use it as high IP preamplifier for RX antennas, buffer amplifier or small driver.

2-way small splitter

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2-way small splitter with bypass

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The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads.

2-way small splitter in BOX

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The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads.

2-way small splitter in BOX KIT

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The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads.

2-way active splitter in BOX

99.22 € (tax incl.)

This is very useful device - this is active splitter version in enclosure. It can provide equal voltages, equal current, or equal power to matched or unmatched loads. Input low noise amplifier can eliminate insertion...

2-way active splitter

76.23 € (tax incl.)

This is very useful device - this is active splitter version. It can provide equal voltages, equal current, or equal power to matched or unmatched loads. Input low noise amplifier can eliminate insertion loss of the...