Summary of FMA300
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(acn 089 050 564 abn 44 089 050 564) 8 victoria grove hawthorn east vic 3123 australia.
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Fma 300 manual 2003 srk electronics pty ltd fma300 manual safety notice 1 general description 2 unpacking 3 installation 4 operation 4.1 front view 4.2 rear view 4.3 switching on and off 4.4 setting output power 4.5 setting channel frequency 4.6 setting audio gain 4.7 selecting pre-emphasis and inpu...
Page 3: Safety Note
Fma 300 manual 2003 srk electronics pty ltd safety note this equipment uses high voltages internally. Any servicing should be performed by competent individuals. Prolonged exposure to high level rf radiation has been shown to pose a health risk. Whilst the equipment is intrinsically safe, its use in...
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Fma 300 manual 2003 srk electronics pty ltd 1 general description the fma300 is a high quality 300w amplifier intended for audio broadcast service in the fm band. Its features include: • frequency agile. • extensive self test and auto diagnostics. • rugged design. • conservatively rated. Application...
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Fma 300 manual 2003 srk electronics pty ltd 2 unpacking this section details the way in which the fma300 should be unpacked upon receipt by the customer. Upon receipt the amplifier should be visually inspected to ensure that no damage has occurred in transit. Along with the amplifier, the following ...
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Fma 300 manual 2003 srk electronics pty ltd 3 installation 3.1 general this section describes the installation and infrastructure requirements for the fma300. Departure from the instructions contained herein may void any warranty provided by srk. 3.2 environmental the transmitter is intended for ind...
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Fma 300 manual 2003 srk electronics pty ltd 3.5 antenna the antenna load connected to the transmitter must be tuned to minimise reflections. Whilst the transmitter is designed to withstand high levels of reflection for short periods, continually high levels of reflected power will degrade the long t...
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Fma 300 manual 2003 srk electronics pty ltd 4 operation 4.1 front view please refer to figure 4.1. The numbers of the following paragraphs refer to the controls shown in figure 4.1. 1 auxiliary power indicators these three leds indicate that the +5v,+15v and –15v auxiliary supplies generated within ...
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Fma 300 manual 2003 srk electronics pty ltd 9 mains input. Mains input. 240vac single phase. 10 mains circuit breaker this is the mains circuit breaker for the amplifier. 5a. 11 mains on-off switch. Switches the amplifier on and off. 12 earth stud. This is the main earth stud. To this must be made t...
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Fma 300 manual 2003 srk electronics pty ltd 4.5 setting channel frequency see fmx25 manual. Note that it is advisable to reduce rf power to zero before changing frequency, then ramping power back up at the new frequency. 4.6 setting audio gain see fmx25 manual. 4.7 selecting pre-emphasis and input i...
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Fma 300 manual 2003 srk electronics pty ltd 4.11 remote operation. The fma300 may be monitored remotely via the “telemtry” connector on the rear of the unit. This is an rs232 standard connection with the following characteristics: baud rate: 9600 data bits: 8 parity: none stop bits: 1 flow control: ...
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Fma 300 manual 2003 srk electronics pty ltd returns amplifier dc current in the form xx.Xa>. For example: aai? (command) _7.5a (response from amplifier) > note that for currents of 9.9a and below, the leading zero is replaced with a space. Pt? Returns the psu temperature in the form xxxc>. For examp...
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Fma 300 manual 2003 srk electronics pty ltd see fmx25 manual. 4.13 amplifier metering. The fma300 has extensive metering to allow a number of parameters to be monitored. The parameter to be measured is selected by depressing the meter selection switch until the desired parameter is indicated by the ...
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Fma 300 manual 2003 srk electronics pty ltd 5 maintenance 5.1 recommended maintenance schedule the fma300 will give many years of trouble free service with little attention. However, it is recommended to clean the fan filters once per year. This can be done by switching off the transmitter and uncli...
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Fma 300 manual 2003 srk electronics pty ltd 6 circuit description 6.1 equipment overview the fma300 consists of the following sub-assemblies: • 50v switch mode psu • 300w rf amplifier • control board • output directional coupler • auxiliary psu these assemblies are interconnected as per “fma300 wiri...
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Fma 300 manual 2003 srk electronics pty ltd heatsink temperature is measured by the lm35, which produces a dc output voltage of 10mv/ºc. This voltage is also passed to the control board for metering and protection. The output filter is a 9 th order chebishev that provides at least 40db of stopband a...
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+5v +15v -15v high i/p power high temperature high o/p swr high o/p power fwd o/p power rev o/p power fwd i/p power amp temp psu temp amp volts amp current fma300 300w fm amplifier psu amp +48v rf in rf out fig 4.1 fma300 front view 4 2 6 5 1 3 4.
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1 2 3 4 a b c d 4 3 2 1 d c b a title number revision size a4 date: 7-sep-2010 sheet of file: c:\client98\files\fma300 new.Sch drawn by: 1 j2 screw 1 j3 screw cable colour designation bk black br brown r red o orange y yellow gn green bl blue v violet gy grey w white p pink bk/r black/red gn/y green...
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1 2 3 4 5 6 7 8 a b c d 8 7 6 5 4 3 2 1 d c b a title number revision size a2 date: 7-sep-2010 sheet of file: c:\client98\files\fma300cont4.Sch drawn by: pa0 40 pa1 39 pa2 38 pa3 37 pa4 36 pa5 35 pa6 34 pa7 33 xtal2 12 xtal1 13 reset 9 aref 32 pb0 1 pb1 2 pb2 3 pb3 4 pb4 5 pb5 6 pb6 7 pb7 8 pc0 22 p...
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1 2 3 4 5 6 7 8 a b c d 8 7 6 5 4 3 2 1 d c b a title number revision size a3 date: 7-sep-2010 sheet of file: c:\client98\..\fma300 amp palette.Sch drawn by: q1b mrf151g q1b mrf151g t1 rg316 t2 rg316 t9 rg316 t3 rg316 t4 rg316 t12 rg316 c5 470pf c6 470pf c16 68pf r3 10k r7 10r c7 1nf r8 10r r4 10k c...
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Material safety data sheet i product identification trade name: beryllia ceramic chemical family: beryllium compound synonym: beryllium oxide, beryllia, thermalox, super beryllia ii hazardous ingredients constituents osha(1995)* acgih(1994-95)* cas # niosh/ rtecs # beryllium pel: 0.002 tlv: 0.002 74...
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V health hazard information emergency overview: if this material is involved in a fire, pressure-demand self-contained breathing apparatus and protective clothing must be worn by persons potentially exposed to the metal fumes or airborne particulate. Primary routes of exposure: inhalation: an exposu...
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Ingestion: swallowing beryllium oxide dust can be treated by having the affected person drink large quantities of water and attempting to induce vomiting, if conscious. Obtain medical help. Skin: skin cuts and abrasions should be treated by standard first aid. Skin contamination can be removed by wa...
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Respiratory protection: when potential exposures are above the occupational limits shown in this msds, approved respirators must be used as specified by an industrial hygienist of other qualified professional. Respirator users must be medically evaluated to determine if they are physically capable o...
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Viii special protection information transport information: there are nor u.S. Department of transportation hazardous material regulations which apply to the packaging and labeling of this product as shipped by espi. Hazard communication regulations of the u.S. Occupational safety and health administ...