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1. in succession called knob which serve for dosing the negative ALC voltage that has to be sent to the HF transceiver seen that a specific voltage does not exist we recommend to operate in the following way NOTE transceiver initial settings BAND 20m MODE RTTY PWR OUT 50 watts 1 Rotate completely the knob counter clockwise as by factory 2 Insert a good Wattmeter instrument at the output of the amplifier make operative the amplifier with a drive power of 50 watts and take note of the output power NOTE we recommend to use a 50 ohms dummy load at the output of the amplifier in alternative the antenna must present a VSWR value as lower as possible ideal 1 1 1 3 Setin stand by the amplifier 4 Set the output power of the transceiver at 60 watts 5 Make operative the amplifier and regulate the knob clockwise until you read on the Wattmeter a output power corresponding this one to a drive power of 50 watts now adjust still the knob counter clockwise 20 degrees and stop here 6 Set in stand by the amplifier 7 Set the drive power of the amplifier by emission mode to the desired value The regulation is done and now you can remove the Wattmeter NOTE The yellow LED labeled ALC placed on the front show the ALC working ON THE PROTECTION ALARM When a the frontal switch labeled FILTER is placed in a wrong working band b the antenna system shows a high VSWR value m2. GROUND of the transceiver ELECTRICAL CONNECTION IMPORTANT verify that the AC socket and the relative power line are according to law and that they have the minimum characteristics to deliver the maximum power required by the amplifier CONNECTIONS a Connect with a quality 50 ohms coaxial cable headed with PL259 connectors the antenna SO 239 connector of the transceiver to the SO 239 connector labeled RF IN placed on the back of the amplifier b Connect the antenna with a quality 50 ohms coaxial cable headed with PL259 plug to the output SO 239 connector labeled RF OUT placed on the back of the amplifier NOTE In order to verify constantly the efficiency of the amplifier and of the antenna system we recommend to use a good VSWR Wattmeter instrument connected to the antenna and to verify that coaxial cable and antenna are able to bear the maximum power delivered by the amplifier c Connect with a shielded audio cable the ALC input of the transceiver with the female RCA plug labeled ALC OUT placed on the back of the amplifier NOTE refer to what is reported in the APPENDIX at the end of the manual d Connect with a shielded audio cable the output of the transceiver dedicated to the drive of the linear amplifier with the female RCA plug labeled RELAY placed on the back of the amplifier NOTE refer to what is reported in the APPENDIX at the end of the manual NOTE the swi
3. D BAND DATA D 3 BAND DATA C BAND DATA C 4 BAND DATA B BAND DATA B 5 BAND DATA A BAND DATA A 6 RELAY TX GND 7 N C N C 8 N C N C 9 GND GND NOTE the RCA plug labeled ALC OUT is connected also to the pin number 1 the RCA plug labeled RELAY is connected also to the pin number 6 use quality audio shielded cable MANUALE INGLESE AMPLIFICATORE HVLA700AY REV 0 page intentionally blank 10
4. MANUALE INGLESE AMPLIFICATORE HVLA700AY REV 0 QUI CK START MANUAL SOLID STATE HF VHF LINEAR AMPLIFIER 1 5 55 MHz RFpower model HVLA700AY Automatic for YAESU and ELECRAFT transceiver Manual for any other brand CE MANUALE INGLESE AMPLIFICATORE HVLA700AY REV 0 SUMMARY SUNNE E EEE E E ete te Introduction General Description srssesevrerenenevvenenevvenenenevvenenenvenenenevenreneseerenenestenenenensenen T chnical Of er Bam en enone i ne eS CL i ET REC Packing Dislocation Electrical Connections rrrsrsreresesesrenesrsverenenesenesesensenesenrenenene MUDGEE ION PE LS Warranty Declaration of Conformity msrsrsrerenevverenevevrenevvereneneneenenenenveneneneeveneneesenenesenen Appendix MANUALE INGLESE AMPLIFICATORE HVLA700AY REV 0 INTRODUCTI ON Thanks for the preference granted us in the purchase of our solid state HF VHF linear amplifier model HVLA700AY in succession called amplifier The professional construction the use of selected and oversized components and the technical solutions adopted make it a high quality product accurate and reliable during the time We recommend a suitable use of this amplifier and only for high distance links Finally we advise to read this manual before operating this equipment GENERAL DESCRIPTION The amplifier covers all amatorial bands from 1 5MHz to 55MHz and all operative modes Its peculiarities can be summed up in immed
5. N C and OUT RADIOCONTROLLI S N C to customer shipment costs for repair are to be paid entirely by the customer RADIOCONTROLLI S N C declines all responsability for eventual damage that can direcly or indirectly come to people things or animals according to the non observation of the foreseen indications The customer at the purchase of the product accept all the terms and conditions of the present warranty In the event of legal actions it will be agreed in the law court of Vicenza Italy DECLARATION OF CONFORMITY THE UNDERSIGNED RADIOCONTROLLI S N C VIA DELL ARTIGIANATO 10 NOVENTA VICENTINA VI ITALY DECLARE THAT THE FOLLOWING EQUIPMENT SOLID STATE HF VHF LINEAR AMPLIFIER AFpower model HVLA700AY RESULTS IN CONFORMITY TO WHAT IS FORESEEN BY THE REFERRING EUROPEAN DIRECTIVE 99 05 CE AND AT IT ARE APPLIED THE HARMONIZED RULES INDICATED IN SUCCESSION ETSI EN 301 489 1 v1 4 1 ETSI EN 301 489 15 v1 2 1 CEI EN 50371 CEI EN 60950 1 AND IT IS IN COMPLIANCE WITH THE SERIES OF ESSENTIAL AND SPECIFIC RADIO TESTS OF THE CATEGORY OF RADIO EQUIPMENT SPECIFIED BY THE APPLIED HARMONIZED RULES MANUALE INGLESE AMPLIFICATORE HVLA700AY REV 0 APPENDI X Here are described the pin of the connector labeled REMOTE placed on the back of the amplifier NOTE the view is the one that appears from the back Pin n Description Connect to the plug of the transceiver named 1 ALC OUT EXTERNAL ALC IN 2 BAND DATA
6. going level 5VDC 10Kohms VRF151 MICROSEMI RF Power Vertical Mosfet Push pull AB class Quiet variable speed forced air cooling by built in dual ball bearing fan Lower than 10ms Short circuit overload over voltage over temperature bias stability High antenna VSWR over 2 1 wrong band input overdrive over temperature bias stability 90 VAC to 260 VAC 50 60Hz 1500 VA 2 x 10 A 5x20 fast type Black Silver grey 37 x 32 x 17cm 14 6 x 12 6 x 6 7 in Lx D x H 11 Kg 24 25 Ib MANUALE INGLESE AMPLIFICATORE HVLA700AY REV 0 PACKI NG After removing the amplifier from its packing that you have to keep conserved verify carefully that it hasn t suffered damage in consequence of transport in that case contact us immediately DI SLOCATI ON Place the amplifier in a way that all the controls are easily accessible and put it in a place far from souces of heat Is very important that the air circulates plentifully on every side of the amplifier setting it therefore far from other objects GROUNDING To avoid electrical shocks RF and or TVI interferencies we advise you to connect the amplifier to a good electrical safety ground with the proper terminal labeled GROUND placed on the back The connection has to be as much short as possible and with the suitable section Do not connect with gas and water mains radiators and or metallic structures You must always connect the GROUND of the amplifier to the
7. he output power level by emission mode as indicated on page nr 4 of this manual ON THE FILTER BAND SWITCH FILTER BAND In the case in which you select a wrong band two situations can happen 1 if the selected filter cut off frequency or correspondent band is lower than the one of the transceiver the protection will immediately intervene 2 if the selected filter cut off frequency or correspondent band is higher than the one of the transceiver the protection will not intervene and there will not be any damage to the amplifier but you will have an emission full of unwanted harmonics contents NOTE WHEN YOU ARE IN TRANSMISSION DO NOT ABSOLUTELY OPERATE ON THE SWITCH ABOUT THE AUX POSITION OF THE FILTER BAND SWITCH When the switch is in the AUX position the filter band switching happens automatically according to the band planned on the transceiver for this end execute the necessary connections between the connector labeled REMOTE placed on the back of the amplifier and the proper plugs present on the transceiver NOTE refer to what is reported in the APPENDIX at the end of the manual NOTE when the amplifier is used in manual mode no YAESU or ELECRAFT transceiver to verify that on the REMOTE socket there is nothing connected MANUALE INGLESE AMPLIFICATORE HVLA700AY REV 0 ON THE ALC REGULATION ALC LEVEL ADJ On the back of the amplifier you find a knob labeled ALC LEVEL ADJ
8. iate operativity no tuning operations low consumption quitness and reduced weight It can be automatically controlled by any type of YAESU and ELECRAFT transceiver equipped with BCD DATA output The absence of a software does not reduce the quality of the amplifier on the contrary it protects it from all the problems due to the software time response however short they are are sometimes source of serious damage It is composed by these circuits Activ input match attenuator able to match perfectly the output impedance of the transceiver with the input impedance of the amplifier and to protect in a very effective way the amps in case you exceed the drive power Power amplifier stage push pull AB class type composed by 4 X VRF151 RF Power Vertical Mosfet chosen for their robustness resistant to high impedance mismatches and low Intermodulation Distortion IMD Output filters it is the only amplifier built with high quality components planned for having an high suppression of the unwanted emissions harmonics and spurios ALC circuit essential for reduce the drive power level in the case the output power of the amplifier get to values that produce distortion It works also when we are in the presence of an excessive level of antenna SWR Protections that thanks to the high quality of the directional couplers used protect the amplifier in case of wrong change of the filter band excessive VSWR open antenna and short c
9. ircuit antenna The temperature sensors preserve the RF power Mosfet from excessive thermic stress and shift in the working class of the amplifier Power supply of switching type oversized no noise and equipped with Power Factor Corrector circuit according to the new European Rules on energetic efficiency MANUALE INGLESE AMPLIFICATORE HVLA700AY REV 0 Frequency Coverage Operation Mode Filter Bandswitch Nominal Drive Power AMP Input VSWR Output VSWR Output Power 1dB Output Filter Output Filter Band Harmonics Third Order I MD I N OUT I mpedance ALC PA Transistor Amplifier Circuitry Cooling RX TX Switching Time Switching Power Supply Protections RF Protections AC Power Supply Range Power Rating max Power Line Fuse Color Dimensions approx Weight approx TECHNICAL DATA 1 5 to 55 MHz all amateur frequencies All modes Automatic for YAESU and ELECRAFT transceiver Manual for any other brand 50 watts 1 2 1 max 2 1 typical 700 watts PEP SSB over 600 watts KEY DOWN SSB CW do not exceed the output power level of 600 650 watts RTTY do not exceed the output power level of 350 400 watts AM do not exceed the output power level of 125 150 watts Low pass type 160 80 40 30 20 17 15 12 10 6 meter Better than 55dB Better than 32dB 50 ohms unbalanced SO 239 connectors Adjustable negative
10. mplifier will automatically return in operation MANUALE INGLESE AMPLIFICATORE HVLA700AY REV 0 WARRANTY All our products are guaranteed 5 years beginning from the date of documentation proving the purchase RADIOCONTROLLI S N C guarantees that the sold products are free from vices in the material and building RADIOCONTROLLI S N C will repair or replace at one s expense the products that it considers affected with vices and that are included in the end of guarantee specified above On the contrary the replacement or repair will have to be paid if the product has a period higher than 5 years or if the causes of damage are due to neglicence wrong installation improper repairs and maintenance or alterations carried out by not authorized personal not allowed modifications improper use not in conformity with the warnings and indications reported in the manual enclosed with the product damage caused by accidents or events owing to a cause beyond control included fire water lighting or other atmospheric agents damage provoked by overvoltage or extracurrents insufficient or irregular supply any other not mentioned cause that is not connected with a defect of material or building This guarantee does not cover damage suffered during the transport loss covered by the customer s assurance accidents and other not mentioned indirect damage The warranty don t cover the Power Mosfets and any aesthetic damage The IN customer to RADIOCONTROLLI S
11. ore than 2 1 open antenna or short circuit antenna c the input drive power is more the protection will immediately intervene signaling with the lighting of the red LED labeled ALARM placed on the frontal the happened anomaly After having verified and solved the cause operate on the frontal switch labeled STBY OP to restore the normal operation of the amplifier NOTE in case of alert due to an excess of drive power you have to switch OFF the amplifier with the switch placed on the back wait a few seconds and then switch ON the amplifier ON THE PROTECTION OVER TEMP When a the duty cycle and or the operative mode of the amplifier is particularly intense and or heavy b the drive power is excessive c you do not use the ALC circuit d the antenna system has a high VSWR but no able to make intervene the protection e the enviromental temperature in which the amplifier works is particularly high f the air apertures are in some ways obstructed g the amplifier has not abundant air circulation in all the sides h there is a damage in forced air cooling system the protection will immediately intervene signaling with the lighting of the red LED labeled OVER TEMP placed on the frontal and the contemporary switch OFF of the green LED labeled OP placed on the frontal the happened anomaly putting the amplifier in the stand by position When the temperature reaches its normal values the a
12. tching occurs closing to ground the input and it can be done by a electromechanical contact relay or by a signal with to ground going level refer also to the user manual of the transceiver e Connect the power cable to the AC socket verifying that the voltage value corresponds to the one of the amplifier MANUALE INGLESE AMPLIFICATORE HVLA700AY REV 0 OPERATI ON a Turn ON the amplifier operating on the switch placed on the back of the amplifier the green LED labeled POWER ON placed on the frontal indicating the stand by position of the amplifier will light b Rotate the frontal switch labeled FILTER BAND so that the work band of the filter coincides with the band in which you intend to operate each band is marked with the lighting of the respective green LED placed on the frontal c Rotate the frontal switch labeled STBY OPERATE from the stand by position of the amplifier to the working position marked by the lighting of the green LED labeled OPERATE placed on the frontal d At this point the amplifier is ready for the use and every time that you will go in transmission with the HF apparatus the green LED labeled ON AIR placed on the frontal will light To turn OFF the amplifier is sufficient to operate again on the switch ON THE DRI VE POWER Premise that is possible to operate with minimum drive power levels it is recommended to adjust the drive power in such a way as not to exceed t
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