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9. REMOTE control

This amplifier can also be remote controlled. RESET- , PREAMP- and PTT-
function can easily be activated by an external switch wired to ground. Output
power can be monitored. 100% of output power is equal to 10V DC on Pin 5.
Use the 7-pin DIN plug

that was delivered with your amplifier and connect the

other end to a suitable connector to your transceiver or other switching unit.

to activate coaxial feed

Connect Pin 2 to Pin 4

ext. preamp

Shield

+Ub coax feed

100% power level = 10V DC

POWER

+15V DC

external switch box

Alarm out

ca. 5V

PTT

RESET

PREAMP

1 mA

Remote control HLV-400/550/950/1000

Содержание HLV-550

Страница 1: ...1 HLV 550 Instruction Operations Manual ...

Страница 2: ...instructions 5 4 Electrical connections 6 5 Warranty 7 6 Front panel operation 8 7 Protection circuits 9 8 Receive Transmit switching 10 9 Remote control 11 10 Cooling technique 12 11 Block diagram 13 12 Adjustment of protection thresholds 14 13 Control circuit schematic 15 14 tbt ...

Страница 3: ...8 EC and 99 5 EC EN 301 783 1 V1 1 1 2000 09 EN 301 783 2 V1 1 1 2000 09 EN 301 489 1 V1 6 1 2005 09 EN 301 489 15 V1 2 1 2002 08 EN 60950 1 2006 All necessary test procedures have been successfully passed Manufacturer and authorized representative BEKO ELEKTRONIK Am Längenmoosgraben 1a D 85221 Dachau GERMANY This declaration has been accomplished under unique reponsability of the manufacturer BEK...

Страница 4: ... MHz frequency range with a selectable gain of 13 20 db The internal modulated power limit is kept to 650 watts It s design is based on Freescale s rf transistor MRFE6VP6300H The optimized output matching with low pass filter insure best efficiency highest 1dB compression and high spectral purity It is essential that the driving source has a narrow phase noise and high spectral purity The output s...

Страница 5: ...4 F and at humidity of less than 85 In order to avoid malfunction caused by condensation you will have to wait at least one hour before start of operation and until the condensation has been removed 6 To prevent electrical shock do not remove the cover before disconnecting the mains plug 7 The bottom openings are used as a cooling air inlet and the rear side outlet to exhaust the inside generated ...

Страница 6: ...chieve optimum driving level and maximum output power all load and source impedances should also be 50 Ohms Deviations will automatically cause limitation of the specifications and shifting of the threshold voltages of the protection circuits Operation with no load connected is not allowed 5 The RF connectors are N type Only high quality connectors with PTFE insulation must be used Neglecting will...

Страница 7: ...test CE conformity and FCC rules We grant a 2 years warranty including parts and labour beginning from the date of purchase Unauthorized use or improper handling will invalidate all claims on warranty The device is protected by an invisible seal against opening Damage of the seal will invalidate the warranty Warranty is also excluded if damages are caused by 1 Overdrive with power levels 75W or wi...

Страница 8: ...e preamplifier When returning to receive it turns the preamplifier on after switching off the RF power unit The supply voltage for the use of an external preamplifier is available on pin 4 of the CONTROL jack at the rear panel It is short circuit protected by use of a ptc fuse and supplies 15 volts 750 mA For preamps that can accept voltage feed via the coaxial cable wire pin 4 to pin 2 inside the...

Страница 9: ...onnected from the mains when disabling the audible alarm 7 Protection circuits The HLV 550 s internal control circuit supervises the output load condition any overdrive of the input stage and the thermal status of heat sink and power supply unit If the amount of reflected power exceeds 100 watts the protection circuit shuts off the RF unit immediately and switches the drive power to bypass mode Th...

Страница 10: ...nner contact of the rear sided AUX jack to reliably control a connected transceiver Any potential at the inner conductor is switched to ground In essence your amplifier provides a built in multi level sequencer which provides an alternate means to key your radio last When the amplifier PTT is activated usually via a foot switch the preamp voltage is dropped first internal relays are switched the R...

Страница 11: ...is equal to 10V DC on Pin 5 Use the 7 pin DIN plug that was delivered with your amplifier and connect the other end to a suitable connector to your transceiver or other switching unit to activate coaxial feed Connect Pin 2 to Pin 4 ext preamp 5K Shield Ub coax feed 100 power level 10V DC POWER 15V DC 6 7 external switch box Alarm out ca 5V PTT RESET PREAMP 1 mA 5 4 3 2 1 Remote control HLV 400 550...

Страница 12: ...e of the balun and the output filter coils To achieve best airflow for cooling the air in and outlets must not be covered Do not operate the amplifier in close proximity to heaters and radiators If thermal shut down occurs you should wait until the device temperature decreases sufficiently before switching on the amplifier again Please read also our Safety instructions and Electrical connections A...

Страница 13: ...13 11 Block diagram ...

Страница 14: ... are too sensitive and need some slight correction In the picture below all trimpots incl their functions are shown Turning the slots clockwise is equal to or upward direction and verse vice Readjustment should be done very carefully otherwise the effect of protection is cancelled ...

Страница 15: ...15 HLV 2000 0 500 1000 1500 2000 2500 0 2 5 5 7 5 10 12 5 15 17 5 20 22 5 25 27 5 30 32 5 35 Input power W Output power W ...

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