OM POWER OM1002+ Скачать руководство пользователя | Manualshive

Страница: 20 / 42

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Amplifier uses one coaxial relay for the output. It has to be
switched earlier than HF is applied (cold switching). Modern
transceivers they have a time delay between PTT switching
and power output.

Sufficiently robust coaxial relay is using for TX/RX switching.

4.4.

Main Supply

CAUTION

Be sure you got PA with properly terminated line cable, corresponding with your power system’s outlet. If
not, contact your dealer. In such a case you should make the necessary changes using a licensed electrician.

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Содержание OM1002+

Страница 1: ...OM1002 SOLID STATE 145 MHz POWER AMPLIFIER User Manual OM POWER s r o 93030 B 126 E mail om power om power com SLOVAKIA WEB WWW OM POWER COM...

Страница 2: ...lity of design and functionality meet the requirements of the market and are the result of our own development This product is covered by 3 years of warranty period We wish you many years trouble free...

Страница 3: ...6 1 2 Specification 6 1 2 1 Parameters 6 1 2 2 Protection Circuits 8 2 SAFETY INSTRUCTIONS 9 3 GENERAL DESCRIPTION 11 3 1 Front and Rear Panel 11 3 2 HF Part 14 3 3 Power Supply 15 3 4 Safety Devices...

Страница 4: ...Operation Elements 23 5 2 Preparing for Use 24 5 3 Setup Menu 25 5 3 1 Language selection 26 5 3 2 Display contrast 26 5 3 3 Display delay 27 5 3 4 Bias switch 27 5 3 5 Preamplifier delay 28 5 3 6 Bia...

Страница 5: ...5 6 2 Fuses 38 6 3 Cleaning 39 7 Block Diagram 40 8 Timing 41...

Страница 6: ...s equipped with a new Freescale high rugged N channel double MOSFET This amplifier is characterized by compact design small size and a low weight 1 2 Specification 1 2 1 Parameters Frequency Coverage...

Страница 7: ...power is 100W or higher Intermodulation distortion 32 dBc Suppression of harmonics 70 dBc MOSFET MRFE6VP61K25HR6 Cooler 1 axial fan cooler 1 axial fan power supply Supplying 100 250VAC 50 60 Hz Power...

Страница 8: ...next parameters exceed defined values or some unwanted occasion occurs Output power too high Reflected power too high Drain current too high VSWR too high DC voltage too low or DC voltage error Input...

Страница 9: ...ithout the upper lid in place WARNING The OM1002 amplifier is neither to be used in a WET or HUMID environment nor to be exposed to RAINFALL WARNING Do not turn the amplifier on without having connect...

Страница 10: ...ifier must be installed in such a way that the rear panel will stay accessible CAUTION The amplifier is an A category product In a household it can influence other electric appliances In such cases th...

Страница 11: ...ription 3 1 Front and Rear Panel Main switch green on the right side and OLED display are visible on the front panel After switch PA ON the display lights up in couple of seconds and shows the control...

Страница 12: ...12 RF Output See Note RF Input Grounding Point Mains Plug Power Supply Cooler inside...

Страница 13: ...KEY IN socket of the amplifier The KEY OUT socket is to be connected with the PTT socket in the transceiver The amplifier is equipped with two safety devices which ensure that the output relay is not...

Страница 14: ...frequency band Design was tuned for performance at 1000W CW output 50VDC It consists of no tune distributed element matching circuits designed to be as small as possible For operating it is important...

Страница 15: ...efficiency and maximum power transfer between the device and its load impedance Low Pass Filter is installed behind the amplifier to attenuate harmonics 3 3 Power Supply The amplifier uses two power s...

Страница 16: ...eed Power amplifier should be connected to any external source of AC in the range from 100 VAC to 277 VAC from 45 to 60 Hz It can be powered by a portable generator for example Small Power Supply for...

Страница 17: ...and the Protection board Control board is located behind the front panel Protection board is visible on the right hand side of PA close to the input output relay Protection board with Input circuits...

Страница 18: ...uture shipment Check unpacked power amplifier If you find some damaging contact your dealer immediately to keep full warranty During installation go step by step according to next parts 4 1 Grounding...

Страница 19: ...onnected to the input of the amplifier via RG58 or similar cable For the connection between the power amplifier and the antenna Belden 9913 or similar coaxial cable suited for high power is recommende...

Страница 20: ...time delay between PTT switching and power output Sufficiently robust coaxial relay is using for TX RX switching 4 4 Main Supply CAUTION Be sure you got PA with properly terminated line cable correspo...

Страница 21: ...ooling of the amplifier even during long time operation It is automatically activated when PA is switching ON There are two modes of fan speed selectable In the normal mode fan speed is gradually risi...

Страница 22: ...for at least 2 hours after unpacking it and moving in its operating location Especially when amplifier was moved from a cold place to a warm one because not visible condensation may develop inside an...

Страница 23: ...d shows the controls and indicators They are very intuitive There are 4 yellow touch buttons visible on the screen Above the first three buttons from the left side their status should be displayed Tou...

Страница 24: ...er turning on the power switch on the front panel power amplifier will automatically go into standby mode We recommend to start preparation for operation with SETUP menu Firstly it allows you to set t...

Страница 25: ...25 5 3 Setup Menu Touch SETUP on the screen Setup menu is displayed Touch LANG...

Страница 26: ...Screen will go automatically back to the Setup Menu Or if you do not want to change language touch BACK 5 3 2 Display contrast Touch CONT from Setup screen Use UP DOWN to set contrast of the touchscre...

Страница 27: ...of significant feature of the power amplifier It allows to set low drain current abt 300mA after pressing the PTT until RF signal is no present at the input At the moment when RF signal comes to the...

Страница 28: ...ition Then touch BACK Screen will go automatically back to the Setup Menu 5 3 5 Preamplifier delay You can control switching of an external remote RX preamplifier from the PA using PREAMP ON OFF touch...

Страница 29: ...o change delay touch BACK 5 3 6 Bias current Touch CURR to see both levels of bias current In couple of seconds you will see the values of drain current in the both lines This parameter will be checke...

Страница 30: ...F power is not measured and displayed if PA is either in standby mode or turned OFF Touch the OP STBY button to activate operating mode In the OPERATE mode you can select fan speed switching an extern...

Страница 31: ...ut power of 4 7 W output power 516 W Power gain from input to output of the PA is 20 4 dB You can also read other important parameters on the display MOSFET voltage MOSFET current reflected power SWR...

Страница 32: ...you can reach more than 100W at the output Power gain is 24 1 dB Another example shows picture with 1 8 W of the input power In this case power gain is 21 6 dB With 1 8W of the input power you can ge...

Страница 33: ...watts in SSB AM FM and digi operation mode even if more is reachable NOTE We recommend using the maximum output power of 800 watts to maintain good linearity of output signal in SSB or AM mode CAUTION...

Страница 34: ...uation Fault LED is ON transmitting is blocking Under FAULT LED exceeded parameter is visible Refl reflected power Touch RESET to reset fault status and return PA to the operation mode Press PTT again...

Страница 35: ...t LED in abbreviated form when some of the protection will be activated To view fault history with full text of the faults touch FAULT from Setup Menu The OM1002 power amplifier will respond to these...

Страница 36: ...the impedance of your antenna Touch RESET for going back to the operation mode When the input power of the PA exceeds limit value Pin fault message appears on the display transmitting will be blocked...

Страница 37: ...tarts blinking At 80 degrees protection circuit will automatically block transmitting fault condition You have to decrease the power or wait couple of minutes to be ready transmitting again Touch RESE...

Страница 38: ...fier ON and no LED will be illuminated display stays dark check mains first and then contact your dealer In such a case main power supply failure occurred probably Main power supply is removable from...

Страница 39: ...fier surfaces and the plastic components do not use aggressive chemicals for cleaning Do not open the amplifier for cleaning Outer surface may be safely accomplished by using piece of soft cotton clot...

Страница 40: ...40 7 Block diagram...

Страница 41: ...iming KEY IN IN OUT command Output relay line IN OUT command Input relay line KEY OUT BIAS 5 15 5 5 5 10 5 time in ms INPUT RELAY Switching time 20ms IN 15ms OUT OUTPUT RELAY Switching time 20ms IN 15...

Страница 42: ...is active PREAMPLIFIER ON KEY IN IN OUT command Output relay line IN OUT command Input relay line KEY OUT BIAS T T 10 5 5 5 10 5 INPUT relay Switching time 20ms IN 15ms OUT OUTPUT relay Switching time...

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