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Print Date 04/01/11 Page 1 of 42 E2165-00MA-04

Eddystone Broadcast

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XE150/300 Series

FM Exciters

Series)

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Installation

and

Operation

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Issue 4

E2165-00MA-04

January 2011

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Eddystone Broadcast Ltd.
26, Arden Rd.
Arden Forest Industrial Estate

Alcester, Warwickshire
B49 6EP, England
Tel. 44 (0)1789 762278
Fax. 44 (0)1789 766033
www.eddystone-broadcast.com

Содержание XE150 Series

Страница 1: ...300 Series FM Exciters 2nd Series Installation and Operation Issue 4 E2165 00MA 04 January 2011 Eddystone Broadcast Ltd 26 Arden Rd Arden Forest Industrial Estate Alcester Warwickshire B49 6EP Englan...

Страница 2: ...Print Date 04 01 11 Page 2 of 42 E2165 00MA 04 Intentional blank page...

Страница 3: ...20 2 2 4 Mono AES Input Connector Page 20 2 2 5 Composite Input Connector Page 20 2 2 6 Composite Output Connector and Loop Switch Page 21 2 2 7 TCP IP Connector Page 21 2 2 8 Baseband Monitor Connect...

Страница 4: ...NITORING Page 40 3 2 1 MAIN Display Mode Page 40 3 2 2 MENU of Modes Display Mode Page 40 3 2 3 SYSTEM Display Mode Page 40 3 2 4 OPTIONS Display Mode Page 40 3 2 5 METER Display Mode Page 41 3 2 6 FR...

Страница 5: ...provided Two optional modules normally of different types can be fitted in any Exciter apart from those with the rear panel supply switch see section 1 2 when only one can be fitted These modules gen...

Страница 6: ...se transistor oscillator circuit DC coupling of the audio modulating signals right through to the final modulating varicap diodes gives optimum frequency response and stereo separation over the whole...

Страница 7: ...low pass filter in a separate screened section nine section Tchebycheff giving a very high level of attenuation at harmonic frequencies followed by a directional coupler to measure output forward and...

Страница 8: ...the Encoder Board when that board is fitted The digital input is balanced transformer coupled with an input impedance of approximately 110 These three inputs have separate input level setting control...

Страница 9: ...and 1 1 6 The input to the module is via a rear panel 50 N Type socket This input is passed through a pre tuned passband filter to a passive double balanced mixer A single fixed frequency crystal osc...

Страница 10: ...RF Output Port 50 nominal N Type Connector Carrier Frequency 87 5 108MHz in 50kHz steps with seven stored channels in programmable non volatile flash memory The channels can be programmed and selecte...

Страница 11: ...provided Maximum deviation in excess of 200kHz at better than 40dB 1 distortion Deviation variation over carrier frequency range fixed input level Better than 5 3 75kHz at 75kHz deviation typically 3...

Страница 12: ...ulation fixed test level to pre emphasised test source then causing deviation to rise with modulation frequency Overall stereo separation better than 48dB over 40Hz to 10kHz typ 55dB Overall harmonic...

Страница 13: ...s data 1 start 8 data 2 stop no parity rate selectable from front panel All local control and monitoring is duplicated over the serial link RS232 on nine way D plug TCP IP on RJ45 socket Basic paralle...

Страница 14: ...an 0 4dB over 30Hz 15kHz rel 1kHz integral lowpass filters provide greater than 60dB rejection at 19kHz Measured with deviation excluding pilot set to 18dB below 67 5kHz 8 4kHz at 400Hz modulation fix...

Страница 15: ...5kHz rel 1kHz Measured with deviation excluding pilot set to 18dB below 67 5kHz 8 4kHz at 400Hz modulation fixed test level to pre emphasised test source then causing deviation to rise with modulation...

Страница 16: ...lly greater than 55dB relative to wanted At 250kHz unwanted level typically greater than 45dB relative to wanted Signal Level Indication 95dBm to 50dBm outside this range indication is given as 95dBm...

Страница 17: ...distribution point Length as req d 3 core 1 0mm 2 per core insulated cable EPR insulated HOFR sheathed or 3 core 1 5mm 2 per core insulated cable PVC insulated and sheathed Mains supply lead for oper...

Страница 18: ...5x20mm Fuse For protection of ac supply input circuitry 1 1A F Fuses for smd holders Littelfuse R451 1500 For protection of driver amplifier within unit 1 XE150 only 10A T HBC 5x32mm x1 in Fuses For p...

Страница 19: ...ted MCB must be provided at the supply distribution board prefered or a 10A HBC fuse in the associated plug at the supply outlet to protect this lead Also since the supply input circuitry contains a f...

Страница 20: ...itted AES S option fitted Pin 1 Chassis ground via 10n 50V capacitor Pin 2 Signal Signal Pin 3 Signal balanced or Chassis ground unbalanced Signal On Mono S option not fitted the input impedance can b...

Страница 21: ...t Protocol address When first connected to the network via its RJ 45 connector the Exciter s TCP IP adapter will attempt to acquire an IP address automatically it s quite common to have networks confi...

Страница 22: ...ically RDS generators which generate a sub carrier which requires phase locking to harmonics of the Stereo Encoder 19kHz pilot tone 57kHz in the case of RDS An SMA plug is used for connection to this...

Страница 23: ...elect input Pin 20 Chassis Ground Pin 21 Safety Interlock input ground to de mute Pin 22 Mute RF input ground to mute for control not safety purposes Pin 23 12v dc fused supply output 150mA maximum Pi...

Страница 24: ...ption only This is a floating 75 BNC coaxial socket on the rear of the optional module used for interconnection to a composite multiplex modulating signal in the range from DC up to 100kHz A 50 or 75...

Страница 25: ...set if the externally supplied equipment is momentarily disconnected or if the mains supply to the Exciter is interrupted 0 21A Hold SMD 030 2 Resettable Fuse XE150 or 0 35A Hold SMD 050 2 Resettable...

Страница 26: ...o fitted see E2165 00CT to determine the remote control interface TCP IP or RS232 The links are found at the rear of the Main Board the rear of the S Stereo Encoder Board and the rear of the M Composi...

Страница 27: ...Z The Main Board option switches links are as follows Switch Link Function Default Factory Setting SW2 MONO AES Input Function Mono or AES Mono or AES S option SW3 MONO AES Input Function Mono or AES...

Страница 28: ...es briefly displaying Exciter type information and all LED displays except MOD are on red green or amber If not follow fuse checking procedure as detailed in section 2 3 1 fault finding may be require...

Страница 29: ...s RF output but should generally be less than one twentieth of the Fwd To ensure complete accuracy an external calibrated power meter should be used to measure the Fwd output power The Exciter will n...

Страница 30: ...3 6 Stereo Encoder Settings S option only The settings of the Stereo Encoder when fitted pre emphasis off 25uS 50uS 75uS limiter on off clipper on off and pilot on off may be viewed and altered from...

Страница 31: ...one is sent which must be within 500mS of the previous one A wait of 500mS is also recommended before the sequence is timed out and aborted A new sequence of three bytes then can be attempted Note tha...

Страница 32: ...n temperature current 57 W Ana2_Stat Revert high low voltages signal level 58 X Sys_Stat Revert Exciter status 59 Y Opt_Stat Revert Options status 5A Z Remote Input Controls third byte sent from contr...

Страница 33: ...rnally selected 56 V None None 57 W N_Known Not known 58 X N_Applic Not applicable 5A Z Direct Display Numerical values 30 39 0 9 Direct Display Sign 2B 2D Direct Display Decimal point 2E Direct Displ...

Страница 34: ...selected causing the Exciter power output to be muted Reverted Channel Data Block 15 extra bytes reverted in response to 1 to 7 sequences Title Function Possible Values ASCII Chan_Data1 Channel numbe...

Страница 35: ...Amps Null blank 0 to 9 inc d pt or X Ana1_Data15 Spare Ana1_Data16 Analogue 1 status 8 bit EOR checksum of 2 15 inc only Reverted Analogue 2 Data Block 15 extra bytes reverted in response to X sequen...

Страница 36: ...ta2 Exciter system normal will indicate not normal O if any of Ex_Data3 11do not indicate normal N none W or not applicable Z Ex_Data2 is not affected by Ex_Data12 15 Reverted Options Data Block 15 ex...

Страница 37: ...annel for transmission will cause the Exciter power output to be muted To re program a channel with a new frequency the new frequency must first be loaded into channel 0 similar to local operation as...

Страница 38: ...Print Date 04 01 11 Page 38 of 42 E2165 00MA 04 Intentional Blank Page...

Страница 39: ...isplay Red indicates current to Amplifier Pallet in excess of approximately 11A Green indicates normal operation CPU P A LED Display Red indicates amplifier module CPU microcontroller failure other P...

Страница 40: ...g forward and reverse power deviation etc can be further checked by going directly to Meter mode where the actual level status presently be checked will be immediately displayed see section 3 2 5 An o...

Страница 41: ...ed pressing the or keys steps through the contents of the eight channel frequency stores In this mode the frequencies stored can also be altered and different channels selected for transmission see se...

Страница 42: ...Print Date 04 01 11 Page 42 of 42 E2165 00MA 04 Intentional blank page oOo...

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