AAREFF 100MWPLLSB User manual

AAREFF TRANSMISSION SYSTEM
Av. Andalucía No. 1 CP 04661
100 mW FM STEREO TRANSMITTER

2
CONTENTS
1. INTRODUCTION ........................................................................ 4
1.1 Unpacking and Checking ....................................................... 4
1.2 General Information ............................................................... 4
1.3 User Safety Responsibility .................................................... 4
1.4 Electromagnetic Compatibility .............................................. 5
1.5 Intended Use ........................................................................... 5
2. SPECIFICATIONS ..................................................................... 6
2.1 Front Label .............................................................................. 6
2.2 Rear Label ............................................................................... 7
2.3 Design...................................................................................... 8
2.4 Transmitter Dimensions ......................................................... 8
2.5 Technical Data ........................................................................ 9
3. INSTALLATION ....................................................................... 10
3.1 Audio Input ............................................................................ 10
3.2 DC Input and DC Auxiliary Output ...................................... 11
3.3 100mW 50 OHM RF output ................................................... 12

3
3.4 Bottom Panel Controls ......................................................... 13
4. OPERATION ............................................................................ 14
4.1 Setting RF Output Power ..................................................... 14
4.2 Changing Frequency ............................................................ 14
4.3 Adjusting Deviation .............................................................. 15
4.4 Fine Frequency Adjustment ................................................ 15
5. FREQUENCY LOCK CODES .................................................. 16
6. DECLARTION OF CONFORMITY ........................................... 24

4
1. INTRODUCTION
Please read this manual before assembling and using the unit. This
will ensure that the product operates as intended.
1.1 UNPACKING AND CHECKING
Verify that the product is in good condition and has not been
damaged during transport. In case of loss or damage please contact
at info@aareff.com
1.2 GENERAL INFORMATION
This manual does not contain any kind of warranty. Warranty details
are specified in our terms and conditions at
https://www.aareff.com/en/terms.htm
This product can only be installed and serviced by suitably qualified
personnel. If difficulties arise during the installation or
commissioning, please contact us by email at info@aareff.com
1.3 USER SAFETY RESPONSIBILITY
You are responsible for selecting the transmitter model appropriate
to your application, installing it properly and ensuring the system
maintenance.

5
This symbol appears in the manual to call attention to
instructions concerning the safety of the installation,
operation, and use the product.
.
1.4 ELECTROMAGNETIC COMPATIBILITY
This product complies with EMC directive EN 301 489 – 11 of the
European Union. To meet this directive. You must follow the wiring
instructions
1.5 INTENDED USE
This equipment is a transmitter for FM sound broadcasting in short
distances, normally of 100m with a 50 ohm antenna. This can be for,
but not limited to, drive movie theaters, health clubs and gyms or
special events.
This equipment is for use in a permanent fixed location
with a license from the radio spectrum regulator in the EU
Member State.

6
2. SPECIFICATIONS
2.1 FRONT LABEL
1 Transmitter model
2 Manufacturer
3 DC power indicator
4 PLL unlocked indicator
5 PLL locked indicator
6 RF power indicator

7
2.2 REAR LABEL
1 Audio Inputs
2 DC Power Input
3
Auxiliary DC Output
4
100mW 50 ohm RF Output
5 Manufacturer
6 Model
7 User Warning

8
2.3 DESIGN
The design utilizes a low power oscillator VHF amplified to 100mW
of power and phase-locked with a chain to a reference divider quartz
oscillator. The 100mW signal is then applied to a 12 pole low pass
filter that produces RF final RF output. All this is housed in an metal
case fully screened to protect the user from direct contact with RF
voltages and to prevent unwanted emissions, local interference and
provide to the unit with sufficient RF immunity for the proper
operating in an industrial environment.
2.4 TRANSMITTER DIMENSIONS

9
2.5 TECHNICAL DATA
Power Input 13.8VDC o 115/230 VAC 50/60 Hz with PSU
RF Power Output 100mW +/- 0.5 dB between -20 and +40 oC
RF Output Connector BNC / 50 ohm
Spurious Emissions >66dB rtc
Harmonic Emissions >66dB rtc
Out of Lock RF Muting >66dB rtc
Freq Range 100 KHz steps between 87.5 and 108MHz
Freq Stability Better than +/- 2 KHz entre -20 and +40 oC
Freq Fine Adj > +/- 1000Hz
Freq Adj. Accuracy +/- 50 Hz
Dev. Sensitivity Stability +/-2% max
Audio Input Connectors Phono/ RCA type unbalanced
Pre-emphasis (50uS/ 75uS/ None)
Audio Input Sensitivity 775 mV rms for 75 KHz Dev. User Adj.
Signal To Noise Ratio >72 dB rel. +/-75KHz dev.
Freq Response (MPX) +/-0.5dB between 30 Hz and 76 KHz
Audio Distortion Better than 0.02 % THD
All stated measurements were made at 15 VDC at 23 Co ambient
temperature

10
3. INSTALLATION
The installation must be by an engineer that has skills and
competancy in EMC and radio frequency systems. The
final installation should be in accordance with the site
engineering document at http://www.aareff.com/ETR132.pdf.
3.1 AUDIO INPUT
AUDIO INPUTS accept stereo audio signals of 0 dBu. The RCA /
phono connectors are "Hi-Z" input of 10k ohms. You must use
shielded cable or high quality coaxial to connect this input to the
other equipment. During manufacture and testing the transmitter is
adjusted to achieve + / -75 kHz deviation FM (the maximum allowed)
at 88.0 MHz input +4 dBu.
To comply with the EMC Directive cable used to connect the input to
the other equipment should NOT be longer than 3 meters in length.
To comply with the R&TTE, it is mandatory that the signal level of
the audio input is peak limited with an audio limiter or similar
processor. Upon completion of the installation, the FM deviation
needs to be checked and adjusted so that the audio signal that’s
peak limited gives a maximum deviation of no more than + / -75 kHz.
This deviation is adjusted using VR1 shown in the photo of the
bottom panel. (See Figure 2)

11
3.2 DC INPUT AND DC AUXILIARY OUTPUT
DC input and DC auxiliary output are simply interconnected inside
the unit. The purpose of this is to enable other equipment to be
connected in a DC "daisy chain" and share the same power supply.
The DC connectors have a current rating of 5000 mA, therefore if the
external power supply can deliver 5000 mA and transmitter
consumes 600 mA, this leaves 4400 mA of power available for other
equipment using the DC AUX OUT. The DC input connectors are 5.5
mm outer diameter and 2.1 mm inner diameter in the centre pin. The
centre pin is positive and the outside is negative or ground. The unit
has protection for incorrect polarity. In traditional power supplies with
heavy transformers particular attention should be paid to the to the
rectifier diodes. Usually there are 2 or 4, soldering a ceramic disc
capacitor of 1nF directly across each one eliminates all kinds of
problems with ‘humming and buzzing’. CE marked power supplies
are usually radio frequency suppressed and do not suffer any
problems.
To comply with the Low Voltage Directive and provide safe operation
the external power supply must be current limited or fused to no
more than 5 amps. This will prevent the connectors and cables from
melting in a fault condition. We recommend that 5 amp red and black
figure of 8 cable is used for wiring DC. To comply with EMC
Directive this cable should NOT be more than 3 metres length.

12
3.3 100MW 50 OHM RF OUTPUT
This is the RF output and produces 100mW of power into a 50 ohm
resistive load. This is used to drive a dummy load or antenna or other
system that is designed with a 50 ohm input. This output should
always be terminated with 50 ohm when the transmitter is powered.
Operating the transmitter without a 50 ohm load will not cause
immediate damage, however, it will cause the internal amplifier to
operate at high temperature and thus reduce the long-term life of the
unit.
If the power is set to maximum with VR2 RF PWR ADJ turned fully
anticlockwise and the DRIVE POWER LED is dim or completely
extinguished, then antenna load is not 50 ohms. With a 50 ohm load
the DRIVE POWR LED will have normal brightness.

13
3.4 BOTTOM PANEL CONTROLS

14
4. OPERATION
4.1 SETTING RF OUTPUT POWER
Locate VR2 RF PWR ADJ shown on the bottom panel photograph
of the transmitter. For 100mW (maximum output) turn VR2 RF
PWR ADJ fully anti-clockwise (min att). For virtually zero power
output (about 1mW) turn VR1 fully clockwise (max att). No other
adjustments are necessary.
4.2 CHANGING FREQUENCY
Choose the frequency from the Frequency Lock Codes (which can
be located on the last few pages of this document) and select the
appropriate code on the PLL Module DIP switches (S2 and S1) as
shown on the bottom panel photograph.
Connect the rear panel BNC connector RF OUTPUT to a dummy
load or the input of a suitable RF power amplifier. Connect the
transmitter to the power supply and switch it on.
Adjust the small variable capacitor VC1 FREQ ADJ slowly until the
PLL UNLOCK LED starts to dim. Continue adjusting VC1 FREQ ADJ
even more slowly, the PLL UNLOCK LED will dim further or flicker,
then the PLL LOCKED LED will illuminate.

15
4.3 ADJUSTING DEVIATION
Adjust VR1 as shown on the bottom panel photograph, this will
adjust the complete multiplex signal including the stereo pilot tone.
This method should be used to adjust the deviation following a
frequency change or a change in an external stereo or RDS
generator or audio limiter.
4.4 FINE FREQUENCY ADJUSTMENT
This control is now located inside the unit and not as shown on the
bottom panel photograph. Under normal and most circumstances
this should never be adjusted. If there is a need to fine tune the
carrier frequency, this can be done by turning VC2 internally. To
access VC2 the top cover of the transmitter needs to be removed.
The adjustment will make a smooth analogue adjustment to the
carrier frequency by approximately +/- 2000 Hz.

16
5. FREQUENCY LOCK CODES
PLL DIL SWITCHES (S2 AND S1)
MHz 1 2 3 4 5 6
1 2 3 4 5 6
87.5 ON
ON OFF
OFF
ON OFF
OFF
ON OFF
ON OFF
ON
87.6 ON
ON OFF
OFF
ON OFF
OFF
ON OFF
ON OFF
OFF
87.7 ON
ON OFF
OFF
ON OFF
OFF
ON OFF
OFF
ON ON
87.8 ON
ON OFF
OFF
ON OFF
OFF
ON OFF
OFF
ON OFF
87.9 ON
ON OFF
OFF
ON OFF
OFF
ON OFF
OFF
OFF
ON
88.0 ON
ON OFF
OFF
ON OFF
OFF
ON OFF
OFF
OFF
OFF
88.1 ON
ON OFF
OFF
ON OFF
OFF
OFF
ON ON ON ON
88.2 ON
ON OFF
OFF
ON OFF
OFF
OFF
ON ON ON OFF
88.3 ON
ON OFF
OFF
ON OFF
OFF
OFF
ON ON OFF
ON
88.4 ON
ON OFF
OFF
ON OFF
OFF
OFF
ON ON OFF
OFF
88.5 ON
ON OFF
OFF
ON OFF
OFF
OFF
ON OFF
ON ON
88.6 ON
ON OFF
OFF
ON OFF
OFF
OFF
ON OFF
ON OFF
88.7 ON
ON OFF
OFF
ON OFF
OFF
OFF
ON OFF
OFF
ON
88.8 ON
ON OFF
OFF
ON OFF
OFF
OFF
ON OFF
OFF
OFF
88.9 ON
ON OFF
OFF
ON OFF
OFF
OFF
OFF
ON ON ON
89.0 ON
ON OFF
OFF
ON OFF
OFF
OFF
OFF
ON ON OFF
89.1 ON
ON OFF
OFF
ON OFF
OFF
OFF
OFF
ON OFF
ON
89.2 ON
ON OFF
OFF
ON OFF
OFF
OFF
OFF
ON OFF
OFF
89.3 ON
ON OFF
OFF
ON OFF
OFF
OFF
OFF
OFF
ON ON
89.4 ON
ON OFF
OFF
ON OFF
OFF
OFF
OFF
OFF
ON OFF
89.5 ON
ON OFF
OFF
ON OFF
OFF
OFF
OFF
OFF
OFF
ON
89.6 ON
ON OFF
OFF
ON OFF
OFF
OFF
OFF
OFF
OFF
OFF

17
89.7 ON
ON OFF
OFF
OFF
ON
ON ON ON ON ON ON
89.8 ON
ON OFF
OFF
OFF
ON
ON ON ON ON ON OFF
89.9 ON
ON OFF
OFF
OFF
ON
ON ON ON ON OFF
ON
90.0 ON
ON OFF
OFF
OFF
ON
ON ON ON ON OFF
OFF
90.1 ON
ON OFF
OFF
OFF
ON
ON ON ON OFF
ON ON
90.2 ON
ON OFF
OFF
OFF
ON
ON ON ON OFF
ON OFF
90.3 ON
ON OFF
OFF
OFF
ON
ON ON ON OFF
OFF
ON
90.4 ON
ON OFF
OFF
OFF
ON
ON ON ON OFF
OFF
OFF
90.5 ON
ON OFF
OFF
OFF
ON
ON ON OFF
ON ON ON
90.6 ON
ON OFF
OFF
OFF
ON
ON ON OFF
ON ON OFF
90.7 ON
ON OFF
OFF
OFF
ON
ON ON OFF
ON OFF
ON
90.8 ON
ON OFF
OFF
OFF
ON
ON ON OFF
ON OFF
OFF
90.9 ON
ON OFF
OFF
OFF
ON
ON ON OFF
OFF
ON ON
91.0 ON
ON OFF
OFF
OFF
ON
ON ON OFF
OFF
ON OFF
91.1 ON
ON OFF
OFF
OFF
ON
ON ON OFF
OFF
OFF
ON
91.2 ON
ON OFF
OFF
OFF
ON
ON ON OFF
OFF
OFF
OFF
91.3 ON
ON OFF
OFF
OFF
ON
ON OFF
ON ON ON ON
91.4 ON
ON OFF
OFF
OFF
ON
ON OFF
ON ON ON OFF
91.5 ON
ON OFF
OFF
OFF
ON
ON OFF
ON ON OFF
ON
91.6 ON
ON OFF
OFF
OFF
ON
ON OFF
ON ON OFF
OFF
91.7 ON
ON OFF
OFF
OFF
ON
ON OFF
ON OFF
ON ON
91.8 ON
ON OFF
OFF
OFF
ON
ON OFF
ON OFF
ON OFF
91.9 ON
ON OFF
OFF
OFF
ON
ON OFF
ON OFF
OFF
ON
92.0 ON
ON OFF
OFF
OFF
ON
ON OFF
ON OFF
OFF
OFF
92.1 ON
ON OFF
OFF
OFF
ON
ON OFF
OFF
ON ON ON
92.2 ON
ON OFF
OFF
OFF
ON
ON OFF
OFF
ON ON OFF
92.3 ON
ON OFF
OFF
OFF
ON
ON OFF
OFF
ON OFF
ON

18
92.4 ON
ON OFF
OFF
OFF
ON
ON OFF
OFF
ON OFF
OFF
92.5 ON
ON OFF
OFF
OFF
ON
ON OFF
OFF
OFF
ON ON
92.6 ON
ON OFF
OFF
OFF
ON
ON OFF
OFF
OFF
ON OFF
92.7 ON
ON OFF
OFF
OFF
ON
ON OFF
OFF
OFF
OFF
ON
92.8 ON
ON OFF
OFF
OFF
ON
ON OFF
OFF
OFF
OFF
OFF
92.9 ON
ON OFF
OFF
OFF
ON
OFF
ON ON ON ON ON
93.0 ON
ON OFF
OFF
OFF
ON
OFF
ON ON ON ON OFF
93.1 ON
ON OFF
OFF
OFF
ON
OFF
ON ON ON OFF
ON
93.2 ON
ON OFF
OFF
OFF
ON
OFF
ON ON ON OFF
OFF
93.3 ON
ON OFF
OFF
OFF
ON
OFF
ON ON OFF
ON ON
93.4 ON
ON OFF
OFF
OFF
ON
OFF
ON ON OFF
ON OFF
93.5 ON
ON OFF
OFF
OFF
ON
OFF
ON ON OFF
OFF
ON
93.6 ON
ON OFF
OFF
OFF
ON
OFF
ON ON OFF
OFF
OFF
93.7 ON
ON OFF
OFF
OFF
ON
OFF
ON OFF
ON ON ON
93.8 ON
ON OFF
OFF
OFF
ON
OFF
ON OFF
ON ON OFF
93.9 ON
ON OFF
OFF
OFF
ON
OFF
ON OFF
ON OFF
ON
94.0 ON
ON OFF
OFF
OFF
ON
OFF
ON OFF
ON OFF
OFF
94.1 ON
ON OFF
OFF
OFF
ON
OFF
ON OFF
OFF
ON ON
94.2 ON
ON OFF
OFF
OFF
ON
OFF
ON OFF
OFF
ON OFF
94.3 ON
ON OFF
OFF
OFF
ON
OFF
ON OFF
OFF
OFF
ON
94.4 ON
ON OFF
OFF
OFF
ON
OFF
ON OFF
OFF
OFF
OFF
94.5 ON
ON OFF
OFF
OFF
ON
OFF
OFF
ON ON ON ON
94.6 ON
ON OFF
OFF
OFF
ON
OFF
OFF
ON ON ON OFF
94.7 ON
ON OFF
OFF
OFF
ON
OFF
OFF
ON ON OFF
ON
94.8 ON
ON OFF
OFF
OFF
ON
OFF
OFF
ON ON OFF
OFF
94.9 ON
ON OFF
OFF
OFF
ON
OFF
OFF
ON OFF
ON ON
95.0 ON
ON OFF
OFF
OFF
ON
OFF
OFF
ON OFF
ON OFF

19
95.1 ON
ON OFF
OFF
OFF
ON
OFF
OFF
ON OFF
OFF
ON
95.2 ON
ON OFF
OFF
OFF
ON
OFF
OFF
ON OFF
OFF
OFF
95.3 ON
ON OFF
OFF
OFF
ON
OFF
OFF
OFF
ON ON ON
95.4 ON
ON OFF
OFF
OFF
ON
OFF
OFF
OFF
ON ON OFF
95.5 ON
ON OFF
OFF
OFF
ON
OFF
OFF
OFF
ON OFF
ON
95.6 ON
ON OFF
OFF
OFF
ON
OFF
OFF
OFF
ON OFF
OFF
95.7 ON
ON OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
ON ON
95.8 ON
ON OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
ON OFF
95.9 ON
ON OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
ON
96.0 ON
ON OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
96.1 ON
ON OFF
OFF
OFF
OFF
ON ON ON ON ON ON
96.2 ON
ON OFF
OFF
OFF
OFF
ON ON ON ON ON OFF
96.3 ON
ON OFF
OFF
OFF
OFF
ON ON ON ON OFF
ON
96.4 ON
ON OFF
OFF
OFF
OFF
ON ON ON ON OFF
OFF
96.5 ON
ON OFF
OFF
OFF
OFF
ON ON ON OFF
ON ON
96.6 ON
ON OFF
OFF
OFF
OFF
ON ON ON OFF
ON OFF
96.7 ON
ON OFF
OFF
OFF
OFF
ON ON ON OFF
OFF
ON
96.8 ON
ON OFF
OFF
OFF
OFF
ON ON ON OFF
OFF
OFF
96.9 ON
ON OFF
OFF
OFF
OFF
ON ON OFF
ON ON ON
97.0 ON
ON OFF
OFF
OFF
OFF
ON ON OFF
ON ON OFF
97.1 ON
ON OFF
OFF
OFF
OFF
ON ON OFF
ON OFF
ON
97.2 ON
ON OFF
OFF
OFF
OFF
ON ON OFF
ON OFF
OFF
97.3 ON
ON OFF
OFF
OFF
OFF
ON ON OFF
OFF
ON ON
97.4 ON
ON OFF
OFF
OFF
OFF
ON ON OFF
OFF
ON OFF
97.5 ON
ON OFF
OFF
OFF
OFF
ON ON OFF
OFF
OFF
ON
97.6 ON
ON OFF
OFF
OFF
OFF
ON ON OFF
OFF
OFF
OFF
97.7 ON
ON OFF
OFF
OFF
OFF
ON OFF
ON ON ON ON

20
97.8 ON
ON OFF
OFF
OFF
OFF
ON OFF
ON ON ON OFF
97.9 ON
ON OFF
OFF
OFF
OFF
ON OFF
ON ON OFF
ON
98.0 ON
ON OFF
OFF
OFF
OFF
ON OFF
ON ON OFF
OFF
98.1 ON
ON OFF
OFF
OFF
OFF
ON OFF
ON OFF
ON ON
98.2 ON
ON OFF
OFF
OFF
OFF
ON OFF
ON OFF
ON OFF
98.3 ON
ON OFF
OFF
OFF
OFF
ON OFF
ON OFF
OFF
ON
98.4 ON
ON OFF
OFF
OFF
OFF
ON OFF
ON OFF
OFF
OFF
98.5 ON
ON OFF
OFF
OFF
OFF
ON OFF
OFF
ON ON ON
98.6 ON
ON OFF
OFF
OFF
OFF
ON OFF
OFF
ON ON OFF
98.7 ON
ON OFF
OFF
OFF
OFF
ON OFF
OFF
ON OFF
ON
98.8 ON
ON OFF
OFF
OFF
OFF
ON OFF
OFF
ON OFF
OFF
98.9 ON
ON OFF
OFF
OFF
OFF
ON OFF
OFF
OFF
ON ON
99.0 ON
ON OFF
OFF
OFF
OFF
ON OFF
OFF
OFF
ON OFF
99.1 ON
ON OFF
OFF
OFF
OFF
ON OFF
OFF
OFF
OFF
ON
99.2 ON
ON OFF
OFF
OFF
OFF
ON OFF
OFF
OFF
OFF
OFF
99.3 ON
ON OFF
OFF
OFF
OFF
OFF
ON ON ON ON ON
99.4 ON
ON OFF
OFF
OFF
OFF
OFF
ON ON ON ON OFF
99.5 ON
ON OFF
OFF
OFF
OFF
OFF
ON ON ON OFF
ON
99.6 ON
ON OFF
OFF
OFF
OFF
OFF
ON ON ON OFF
OFF
99.7 ON
ON OFF
OFF
OFF
OFF
OFF
ON ON OFF
ON ON
99.8 ON
ON OFF
OFF
OFF
OFF
OFF
ON ON OFF
ON OFF
99.9 ON
ON OFF
OFF
OFF
OFF
OFF
ON ON OFF
OFF
ON
100.0
ON
ON OFF
OFF
OFF
OFF
OFF
ON ON OFF
OFF
OFF
100.1
ON
ON OFF
OFF
OFF
OFF
OFF
ON OFF
ON ON ON
100.2
ON
ON OFF
OFF
OFF
OFF
OFF
ON OFF
ON ON OFF
100.3
ON
ON OFF
OFF
OFF
OFF
OFF
ON OFF
ON OFF
ON
100.4
ON
ON OFF
OFF
OFF
OFF
OFF
ON OFF
ON OFF
OFF
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