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Страница 2: ...e Selection 6 2 3 Amplifier Location Selection 6 2 4 Connections 6 3 POWER ON CONTROLS AND INDICATORS 8 4 OPERATION 10 4 1 Turning ON and OFF 10 4 2 Changing Operate and Standby Modes 10 4 3 RTTY Mode 11 4 4 Antenna change 11 4 5 Tuning 11 5 MAINTENANCE 14 5 1 Cleaning 14 5 2 Fuse Replacement 14 5 3 Tube Replacement 15 5 4 Simplified Schematic Diagram 15 5 5 Service Functions 16 6 SPECIFICATIONS 1...
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Страница 4: ...656 telephone 359 2 920 9655 e mail acom mail orbitel bg standard mail ACOM Bul N Mushanov 151 1330 Sofia Bulgaria 1 3 Equipment Supplied The ACOM1010 amplifier and this manual are shipped in a cardboard carton 1 4 Features l Easy operation The plate load True Resistance Indicator TRI is an ACOM innovation that provides quick and precise tuning typically in less than 10 seconds The auto operate fu...
Страница 5: ... accommodate any of 8 nominal line voltages between 100 and 240 V 50 or 60 Hz l Band inclusion The amplifier can be shipped with 10 and 12 meter capability disabled as required by the Federal Communications Commission FCC for United States users Contact your dealer about enabling those bands 1 5 Safety Considerations Explicit Definitions The ACOM1010 HF Linear Amplifier is a Safety Class I unit Th...
Страница 6: ... your amplifier yourself including any attempt to change hardware or firmware Doing so creates a potentially fatal shock hazard and may damage the amplifier or equipment connected to it ACOM is not responsible for any such personal injury or equipment damage whether caused by accident or as a result of good faith efforts at repair or adjustment CAUTION To avoid damage to the amplifier not covered ...
Страница 7: ...g will be necessary No device that is sensitive to magnetic fields including dynamic microphones should be located adjacent to the right side of the amplifier where the power transformer is mounted The amplifier should generally be placed to the right of your transceiver No temperature sensitive devices should be located above the air exhaust ports This means the amplifier should not be located un...
Страница 8: ... be used c Connect a suitable coaxial cable from the antenna to the appropriate amplifier output on the rear panel marked ANT1 or ANT2 using a PL 259 plug d Run a shielded cable from the ground on transmit socket or terminal on your transceiver to the amplifier rear panel KEY IN socket The KEY IN socket uses a standard RCA phono plug NOTES Your amplifier will not work if KEY IN is not connected pr...
Страница 9: ... is adequately sized and properly connected The Power Switch on the front panel must be in the OFF position only then should you insert the amplifier s line mains plug into the appropriate wall outlet At this time the amplifier remains switched off 3 POWER ON CONTROLS AND INDICATORS CAUTION Do not turn the amplifier on for at least 2 hours after unpacking it and locating in its operating location ...
Страница 10: ...round i e when the transceiver goes into the transmit mode See Section 2 4 d The BAND knob controls the band switch and LOAD and TUNE are used to adjust their respective variable air capacitors in the amplifier s output circuit The settings of these three controls must be changed at each band change as well as when an antenna is changed The three LED indicators located above the knob LOAD are call...
Страница 11: ...andby mode and the transceiver may continue to be used Also during this period the A1 A2 button may be pressed to change antennas i e between the antennas connected to the ANT1 and ANT2 terminals on the rear panel of the amplifier Switching between the antennas does not affect the warm up process CAUTION To avoid damage not covered under warranty do not change the antenna output during a transmiss...
Страница 12: ...ier tuning If the load impedance is not a nominally resistive 50 Ohms the REFLECTED POWER reading will always show a reading no matter what the tuning settings Proper tuning is always necessary however and will allow you to operate at a high power level without distortion or any danger to the amplifier Note also that the real OUTPUT POWER presented to the load the antenna and transmission line is ...
Страница 13: ...mplifier s band switch CAUTION Also never apply drive longer than one minute continuously without pausing for at least one minute to allow the tube to cool It is recommended that for initial tuning a frequency in the middle of the band be used First with no transceiver power applied select the band Then use Table 4 1 to achieve an approximate preset for both TUNE and LOAD capacitor knob settings B...
Страница 14: ...turned to the left with a centered TRI there will be more gain but less linearity When available drive power is insufficient or when less output but better efficiency are needed e g for RTTY and SSTV this may be desirable Tuning to the right of the center would lead to the opposite result i e less gain and more power attainable Of course this requires more drive power more plate current and more p...
Страница 15: ...aph area are flashing simultaneously you must immediately switch off the amplifier to avoid damage 5 MAINTENANCE If no indicator glows upon switching the amplifier on the main fuse s may have blown See Section 5 2 5 1 Cleaning WARNING Do not use solvents for cleaning as they may be dangerous to you and damage amplifier surfaces and plastic components Do not open the amplifier Cleaning the amplifie...
Страница 16: ... of 800 W is grid driven The input signal from the RF INPUT jack is passed through a broadband input matching circuit which consists of components on the INPUT PCB and includes the drive power swamping resistor Rsw This circuit tunes out the input capacitance of the tube The swamping resistor Rsw is a termination load for the matching circuit and can dissipate up to 80 W of RF drive power It also ...
Страница 17: ... The upper bar graph should show a voltage reading within the range of either 270 300 Volts 9 10 LEDs illuminated for RTTY or 210 330 Volts 7 to 11 LEDs illuminated for SSB and CW c Pressing the OPER and RTTY buttons yet again will illuminate the yellow IP light This provides an approximate reading of combined plate current and grid 2 current The reading should be no higher than 500 mA 10 LEDs ill...
Страница 18: ...y up to 95 35 degrees Celsius Height up to 3000 m above sea level without output deterioration 6 2 Functions a Antenna Impedance Matching Process aided by a plate load True Resistance Indicator TRI b Two antenna outputs selectable by a button on the front panel c Protections Cover interlock for operator s safety Inrush power on current limited to the nominal consumption Control grid screen grid an...
Страница 19: ...its original carton a Acceptable storage environment The amplifier may be kept packed in a dry ventilated and unheated location with no chemically active substances such as acids or alkalis within the following environment ranges Temperature range 40 to 70 degrees Celsius Humidity up to 75 35 degrees Celsius b Shipping Size and Weight WxDxH 535x445x270mm 21kg 21x17 5x10 6 inches 46 3Lbs c All type...
Страница 20: ...K Ch2 Ch1 2x10n 500V Rc 2 22 2W Rc 1 22 2W SOCKET Csg 12x820pF 1kV V1 4CX800A 1 2 3 4 5 6 7 GU74B Rsw 50 100W Cb3 1 Rp1 120 3W Lp1 Cb3 2 2x2 2n 6kV RFC1 160uH PLATE CHOKE Ca 0 2pF CP1 5 35pF 1 8 1 8MHz 3 5MHz 7MHz CP2 10 175pF 10MHz 14MHz CP3 100pF 3 5kV 4kVA HV RFC2 22uH 18 21 24 28 Cb1 2 2 2n 6kV 12 11 1 0 9 8 7 6 5 4 3 2 1 TUNE BAND 380V 380RET HV PCB GND HVRET T18 T13 T14 10V 10V 100V 0V 10V 1...
