Lucoro Broadcast FMAMP300 User manual

FMAMP300
Broadcast 300W RF Amplifier
User Manual
WARNING!
T is RF Amplifier is capable of generating extremely ig RF
potential. Touc ing internal parts, or t e connected antenna
system, will cause serious RF burns. Antenna systems s ould be
installed suc t at exposure by any person to RF fields cannot
exceed safe limits. T e permitted limits vary from country to
country. Expert advice s ould be soug t about t e safe
installation of t is transmission system.
RISK OF FIRE!
RF (Radio Frequency) energy could cause ignition of combustible
surfaces during fault conditions. Installation s ould be left to
qualified personnel. RF can cause burns to skin. Ensure antenna
systems and feeder cables are not situated near, or could fall
onto, any combustible surface.

IMPORTANT!
Always reduce t e RF Output power to minimum before c anging
t e transmission frequency. Once t e new frequency is active,
slowly increase t e RF output power control to provide t e
required power output level.
IMPORTANT!
Never connect an RF input source of greater t an 3 Watts to t is
RF Amplifier. MIS-OPERATION MAY RESULT IN DAMAGE NOT
COVERED BY ANY WARRANTY.
WARNING!
Never operate t is device wit out a suitable 50 o m load
connected to t e RF OUTPUT socket, or wit out a suitably
installed and matc ed antenna system connected. Alt oug t e
output of t is transmitter is protected against antenna load
faults, MIS-OPERATION MAY RESULT IN DAMAGE NOT COVERED
BY ANY WARRANTY.
IMPORTANT!
Correct operation of t e cooling fans in t is product is vital to
reliable continuous operation. Sc edule bi-annual maintenance
c ecks. We strongly advise t e use of a standby transmitter
system for use during maintenance events or fault conditions, to
prevent prolonged breaks in transmission.

T e FMAMP300 is powerful and reliable RF Amplifier featuring t e
latest En ancement Mode FET tec nology. Its ig gain performance
gives 300 Watts output (adjustable) from just 2 Watts input.
TTL remote monitoring and switc ing allows t e FMAMP300 to be
easily integrated into automated back-up applications.
T ese instructions s ould be read in full before t e Amplifier is
operated.
T e safety and operating instructions s ould be retained for future
reference.
All warnings on t e Amplifier and in t e operating instructions
s ould be ad ered to.
All operation and user instructions s ould be followed.
Use of t is device into a radiating antenna requires a valid licence from
a Spectrum Management Aut ority in most countries.
Use of t is device as part of a transmission system, or combined
transmission system not specified by t e manufacturer, may require
furt er testing to ensure t at it remains compliant wit t e essential
requirements and ot er relevant provisions of current EU Low Voltage,
EMC and Radio Equipment Directives. Approval and clearance from t e
Spectrum Management Aut ority may also be required.
Installation must ad ere to safety regulations and t e requirements of
t e relevant aut orities. We recommend t at at least two people are
present during installation. Keep a file containing installation
instructions and plans, including details of t e transmission system
(antennas, feeders, filters, etc) and operating instructions for all
equipment at t e transmission site at all times. Display posters
detailing first aid treatment and treatment for electrical s ock, along
In
troduction
Before operating

wit telep one numbers for contacting t e emergency services in t e
event of personal injury.
Ensure antenna system lig tning strike protection is in place.
To reduce t e risk of electrical s ock, do not remove t e cover, or any
screws. T ere are no user serviceable parts inside; refer servicing to
qualified personnel.
Do not expose t is appliance to rain or moisture. T e Amplifier s ould
not be used near water. Care s ould be taken so t at objects do not
fall - and liquids are not spilled - into t e enclosure t roug openings.
To reduce t e risk of fire, always replace fuses wit t e same type and
rating.
T e Amplifier s ould be mounted into a well-ventilated standard 19
inc equipment rack. It s ould be situated so t at its location or
position does not interfere wit its proper ventilation.
Use front-to-back equipment rack supports to take t e weig t of t e
Product and permit it to slide out for servicing. Fixing t e device only
by t e front panel mounting oles is not recommended.
T e Amplifier s ould be situated away from eat sources.
T e transmitter s ould be connected to a power supply only of t e
type described in t e operating instructions or as marked on t e unit.
Precautions s ould be taken so t at t e grounding or polarisation of
t is appliance is not defeated.
T e unit s ould be cleaned only as recommended by t e
manufacturer.
T e Amplifier s ould be serviced by qualified service personnel if it
does not appear to operate normally, ex ibits a marked c ange in
performance, as been subjected to s ock, damage, moisture, or if
foreign objects ave ingressed.
T e user s ould not attempt to service t e Amplifier beyond t at
w ic is described in t e Operating Instructions. All ot er servicing
s ould be referred to qualified service personnel.
T is appliance may become warm under normal operating conditions.
Recycle according to WEEE regulations.

1. SYSTEM Status LED. Green indicates correct operation, red indicates
a system error requiring urgent furt er investigation.
2. DOWN Pus -button. Press t is control to navigate t e LCD menu.
3. ENTER Pus -button. Press t is control to navigate t e LCD menu.
4. UP Pus -button. Press t is control to navigate t e LCD menu.
5. RF MON BNC connector for monitoring of t e RF output. Output
level will be t e RF output level attenuated by approximately 40dB. Not
to be used for measurement of armonics.
6 RF OUT 'N' Socket. Connect a matc ed, pre-tested antenna system
wit a return loss of >14dB to t is socket. Ensure all parts of t e feeder
and antenna system are rated for 500W or above.
7. RF ADJ Use a suitable trimmer tool to carefully and slowly adjust t e
RF output power level, (RF FWD on t e display). Never set to above t e
300W maximum rated output power.
8. REMOTE 9-pin D-sub Female. Remote control and monitor inputs
and outputs are available on t is connector:
Pin 1. Reflected Power Alarm. TTL logic low during normal
operation. Floats ig to indicate a ig level of reflected power
(critical antenna mis-matc ) as been detected.
Controls and Connectors

Pin 2. Forward Power alarm. TTL logic low during normal
operation. Floats ig to indicate RF output as failed.
Pin 4. Temperature alarm. TTL logic low during normal
operation. Floats ig to indicate over-temperature condition
as occurred.
Pin 9. RF Mute Control. Supplying between 5 and 12V t is pin to
(wit reference to c assis ground potential) will mute t e RF
output. Primarily used in automated c angeover systems.
Pin 6, 7, 8 GND connection, at c assis eart potential.
T e above ‘Open Collector’ outputs are capable of operation up to 50V
and sinking a current of 75mA maximum. T e normally ig , (ie. ‘pull
low’ upon alarm condition) provides in erent ‘power failure’ or ‘cable
connection failure’ signalling.
9. RF IN 'N' Socket. Connect t e RF input (Exciter) to t is socket.
POWERS IN EXCESS OF 3 WATTS WILL DAMAGE THIS AMPLIFIER.
10. POWER AC input 100V – 250V ac. 50/60Hz. Connect a power lead
wit an IEC C13 connector (and a 13 amp fuse in t e plug or at t e
distribution panel) to t is socket. Two 6.3 amp time delay fuses are
fitted wit in t is connector’s Fuse carrier.
11. EARTH Grounding connection point (M4 stud and bolt).
Connect a suitable rated test load to t e RF OUPUT socket before
connecting t e unit to mains power. IMPORTANT! FAILURE TO DO SO
MAY RESULT IN DAMAGE NOT COVERED BY WARRANTY.
Before connecting t e Exciter or signal source, use a test load
connected to its RF output to c eck t at its output 2 Watts or below.
Connect t e Exciter or signal source to t e RF INPUT of t e
FMAMP300.
Installation

Reduce t e output power by pressing t e ENTER pus button (t e
power reading will display ig lig ted). Use t e UP and DOWN pus
buttons to select t e lowest level.
Connect t e exciter to t e RF Amplifier, power-up t e Exciter and
Amplifier and c eck for expected operation. Once all settings are
correct, power down t e unit. Disconnect t e test load and connect to
t e antenna. Power up t e unit and increase t e RF Power (using t e
rear panel RF ADJ control) to t e desired level, not exceeding 300W.
T e FMAMP300 is designed for continuous reliable transmission,
owever t e fans must be periodically c ecked for correct operation
and free airflow.
Correct operation is confirmed by a front panel green STATUS LED.
S ould t is turn red, t e transmission system may s ut down its RF
output and will, in any case, require URGENT attention. T e following
are LCD display fault indicators and t eir meaning:
Temperature warning. T e system is running too ot and as
reduced t e RF output as a safety precaution. C eck t e fans for
correct operation. Also c eck t e antenna system, including all
cabling (and/or filters and/or combiners w ere fitted) for correct
operation. T e temperature output on t e 9-way ‘D’-sub
connector will also activate, to signal t is condition to remote
equipment (if connected).
Reflected Power warning. T e system as detected a fault in t e
antenna system and as s ut down t e RF output as a safety
precaution. C eck t e antenna system, including all cabling
(and/or filters and/or combiners w ere fitted) for correct
operation. T e Reflected Power alarm output on t e 9-way ‘D’-
sub connector will also activate, to signal t is condition to
remote equipment (if connected).
Operati
on

Forward Power warning. T e system as detected t ere is no
forward power. T is may be due to one or bot of t e above
symptoms, due to a PLL failure, or due to excessive power
setting. T e standby transmission system (w ere used) will ave
activated (TTL control).
T e front panel display s ows t e forward power level and reflected
power level. Press t e UP and DOWN buttons to access ot er
readings. T e forward power level will remain displayed, along wit t e
ot er selects value (Volts, Amps or Temperature).
Ensure air vents and internal air tunnels are kept free from dust during
operation.
T e cooling fans s ould be replaced after 80,000 ours of cumulative
operation. T is life rating is for guidance only and is subject to ideal
environmental operating conditions. Immediately replace any fan t at

fails or becomes slow or noisy, immediately. Replacement fan
assemblies wit wiring loom and mating connector are available from
t e manufacturer. It is recommended t at replacement work be
carried out by t e manufacturer or an approved agent.

EC Declaration of Conformity to R&TTE Directive 1999/5/EC
We, Lucoro Broadcast
Clay Pit Lane
Roecliffe
York
YO51 9FS
ereby take sole responsibility to confirm t at t e product:
FMAMP300 and its variants
w ic t is declaration refers to, conforms to all applicable
requirements of EU Directive 2014/53/EU and is CE marked
accordingly:
Low Voltage Directive 2014/35/EU:
EN60215:1996 Safety Requirements for
Radio Transmitting Equipment
EMC Directive 2014/30/EU:
EN301489-1 ERM/EMC for Radio Equipment
Specific Conditions for FM Transmitters (Part 11)
Radio Equipment Directive 2014/53/EU:
EN302018-2 Transmitting Equipment for
FM Radio Broadcasting service
T e following operation conditions and installation arrangements ave
to be presumed:
(i) According to Operating Instruction Manual
(ii) Connected lead lengt s of 2 metres or less
M. O’Rorke, Director
September 2018