High Power Mast-Mounted

Preamplifiers for 50, 144 & 432 MHz.

        MHP-600,  6 Meter 1.5KW

MHP-200, MHP-200R - 2 Meter 1.5KW

        MHP-70, MHP-70R - 70 cm 1.0 kW

This new series of MHP Mast Mounted Preamplifiers continue the legacy of our world famous MHP-145 high power preamplifier.

 

So what’s new?

 

Super Low Noise figures, models for 6 meters 2 Meters and 70 cm’s with high power ratings, voltage feed via the coax (R Models) or voltage feed via a separate cable to the SO239 socket (non-R Models). Unlike other preamplifiers on the market, all our preamplifier models include bandpass filters to keep out-of-band signals from degrading your receive system.

 

All MHP models require the use of a Sequence Controller such as our new 4 Step High Power DCW2004B/HP sequencer / Bias-T voltage injector.

 

Use of our Sequence Controller insures that the preamplifier is switched out of line before the linear amplifier is enabled thus preventing hot switching. Our sequencer allows the preamplifier to be switched out of line and then provides 3 additional sequence steps to key your linear amplifier, transverter, or radio.

 

To accommodate all types of radio's, the DCW2004B/HP sequencer can be keyed via a ground on Tx or +VDC on Tx.

Model DCW 2004B/HP is intended for use in 6 m - 70 cm. frequency range.

 

Technical Data

MHP600

 

MHP-200

MHP-200R

MHP-70

MHP-70R

 

FREQ. (MHz.)

50 – 54

144 – 148

430 - 440

 

NF @ 20 Deg. C

0.25 dB.

0.25 dB.

.45 dB.

 

Gain (dB.)

24.0  +/- 1.0

24.0  +/- 1.0

21.0  +/- 1.0

 

Max Power PEP

1500 W

1500 W

1000 W

 

Max Power

Digital Modes /

FM

1000  W

1000 W

1000 W

 

Insertion loss

 

<0.1 dB.

 

<0.1 dB.

<0.1 dB.

 

Input Return Loss

S11 (dB.)

              2.0

2.0

            2.0

 

Output

Return

Loss S22 (dB.)

20.0

20.0

 

20.0

 

 

IP3 dBm

-2.0

-2.0

-2.0

 

OIP3 dBm

22

22

22

 

Max. RF Input

10.0 dBm

10.0 dBm

10.0 dBm

 

Connectors

RF In / Out          N-Female Socket

Voltage

13 – 15 VDC

VOLTAGE Feed  Non R Models

VIA a Separate Line with our DCW2004B/HP Sequencer

to the SO239 Socket

VOLTAGE FEED

Remote Models

VIA the Coaxial Cable with our DCW2004 Sequencer

with built-in Bias-T

Max Current

(R-models)

460 mA typ.

Max. Current

Non-R Models

420 – 440 mA typ.

Insertion Loss

<0.1 dB

Impedance

50 Ohms

Size

6.5 x 4.75 x 3.6 Inches   (HxWxD) 

Weight

2.5 lbs.


 

 

 


 

570-868-5643

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