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Marti Electronics CLA-40A, Инструкция по эксплуатации

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Содержание CLA-40A

Страница 1: ...www SteamPoweredRadio Com C A 40A M RESSOR MT P F R ...

Страница 2: ...ns or defects in ports or workmanship and where ii is found that the equipment meets specifications Marti shall be entitled to collect all reasonable expenses from the Buyer including but not limited to travel per diem living expenses and hourly wage rotes which have been established by Marti and which are in effect at the time Marti further guarantees that any radio transmitter described herein w...

Страница 3: ... Maximum Gain 40 DB Noise Level Minus 66 DB Ref 10 DBM output FM Mode Distortion Less than 1 THD Normal c ompression leve s Compression Ratio Better than 10 1 Automatic Gain Control Range 40 DB Dynamic Release Time Adjustable 800 milliseconds 2 sec 5 sec approx CLA 40A Attack Time Less han l microsecond in compress limit mode Metering Gain ed cti on output level 4 VU 10 VJ_ T AM FM Operation Both ...

Страница 4: ...p9 DB Hz o Hz t O KHz O c KHz __ o__ tJ 5 __ ig D KHz 4o L 17 KHz _ _ 4 e 9 6 KHz 1 0 3 DISTORTION COMPRESS ONLY AT 10 DBM b l i NOISE RE 10 DBM b l DB COMPRESSION RATIO ABOVE VU 1 5 LIMIT LEVEL SET DISTORTION INTRODUCED AT 7 DB COMPRESSION 400 Hz so 100 400 1 3 5 7 5 10 12 5 15 DATE FM Hz i6 DB Hz 7 D Hz o C KHz KHz KHz 0 5Z KHz KHz KHz fv i f D KHz fD JO f I 13 I I 1 I ...

Страница 5: ... FM 50 Hz o DB 50 Hz o DB 100 Hz 0 100 Hz o 400 Hz 0 400 Hz 0 1 KHz 0 1 KHz 0 3 KHz o 3 KHz 0 5 KHz 0 5 KHz o 7 5 KHz o 7 5 KHz 0 10 KHz o 10 KHz o 12 5 KHz 12 5 KHz 15 KHz 15 KHz DISTORTION COMPRESS ONLY AT 10 DBM NOISE RE 10 DBM DB DB COMPRESSION RATIO ABOVE VU LS LIMIT LEVEL SET DISTORTION INTRODUCED AT 7 DB COMPRESSION 400 Hz BY ...

Страница 6: ... is bel ow 4 DBM it is advisable to operate the CLA 40 at approximatel y 10 DBM ou tput l evel and insert a 600 lohm L si stive pad in the l ine to obtain the desired level This will pro vide t h same signal to noise ratio as is obtained at higher levels Un1cs are sh ipped connected for 120 volt o 60 Hz operation 14 5 Stereo operation Jl of the units with l ordered for s tereo of two CLA 40 units ...

Страница 7: ... of TB 1 f nd again observe the modulation percenLage Sel e t ncgaLive peak moni tor ing at the s tation modulation monit nr and adJust ourput level on the CLA li 0 for t he d1 sired regative modulatior 12r cf i a ge 1 etween 90 and 100 lrh e onditions e2tablished ato e shouJ d px Jduce a positive to negative peak m0dula tion Yati of approximately L 3 5 to J T is is dependent upon the l capabil1ty...

Страница 8: ...efore compression limiting and a 75 microsecond e emphasi network after Lnmpression limiting Thi3 provides a very effec ive control of total transmitted RF bandwL1Lh whil e maintaining the highest average oduiation level However this FM pre emphas i s character lstll must be consid red when making frequen y response measurements hrough Lhe CLA 40 unit S TEREO OPERATION nth FM M nde two CLA 40 unic...

Страница 9: ...A 40 module removed from the unit set Outnut Le re for O VU on the me 0 JO vu Re install CA 40 l odule and tighten hold down screws AdJ St Rl7 fer 6 VU on t he meter J Remove t ne 400 Hz 3ignal from input term Lals and place Meter Switch l n GaJn Reduction position Adjc st Mer er Cal 11 pJ ta n tiometer R21 for a 0 U reading on the meter Applv a 400 Hz signal to their put terminals at a 15 DBM l e...

Страница 10: ...same as with t he 400 Hz sig al or 0 5 DB 3 Position Mode Switch to FM and note output level Return Mode Switch to AM position and adjust R22 for the same reading as was noted in FM anode Switch again to FM to check that the two l evels are the same R22 i s a ttached to pins 1 2 and 3 of the output LA 40 amplifier socket P3 1 rMrT LEVEL ADJUSTMENT I Pos ition CLA 40 controls as follows Input Pad O...

Страница 11: ...range adds no audio dis tortion but has a comparatively slow attack time For instantaneous control of short rise time audio waveforms the control voltage is differentiated and applied to the gate of a field effect transistor This device is connected in parallel with the VVR and serves as an ext r emely fast attenuator uper ating only on short rise time waveforms thus c omplimenting the s lower VVR...

Страница 12: ...POSITIONS I 8AIN REDUCTION 2 10 VU OUT 3 4VU OUT MODE SW 2 POS I 2 I AM ca 2 F B 1 MI SW 15 Z fl fr v Ll 12 v Pl LA 20 1 2 sw 2 OWG 700 098 I MARTI Gfeclronied 9 nc SW 3 POSITIONS I COMPRESS LIMIT 2 COMPRESS ONLY 3 COMPRESS LIMIT OUT L A 20 R24 STEREO STRAP LIMIT LEVEL ADJ OUTPUT LEVEL LIMITER I SW 4 POS 115 I ASYM 2 SYM 41 600A louTPUT TB I COMPRESSOR LIMITER CLA 40 ...

Страница 13: ...F 1 KV 10 Capacitor 1 UF 100 V 10 Capacitor 6800 PF 33 V 5 Capacitor 150 PF 1 KV 10 Capacitor 10 000 PF 33 V 5 o I Jr Capacitor 0 25 UF 200 V 5 Capacitor 33 000 PF 33 V 5 Capacitor 50 UF 40 V Capacitor 50 UF 40 V Capacitor 400 MF 40 V Capacitor 640 MF 25 V Capacitor 640 MF 25 V Capacitor 0 25 UF 200 V 5 Capacitor 50 UF 40 V Capacitor 75 PF 1 KV 10 Capacitor 002 UF 2 KV Capacitor 002 UF 2 DV Diode ...

Страница 14: ...ircuit Re sistcr oO hrm W 5 Resistor 39 t W5 REsistc 1 560 ohrn5 W5 Resiscc J 30 ohm W 5 Resis or 30 olmls t W5 Resislor 22J ohms t W 5 ResisLor 820 ch ms W5 Reaistor 2 7 ohms W 5 Resistor lO K ohms W 5 ResLstor o K ohm z W 5 Potentiomec tK hms W 20 Res st or 5 K nrr1 l W syo R siscor 7K ohm5 W 5 Resisto r l 5K oh _ Tis W 5 Pot e1 riomete r SK chms W 20 R2L to 2 K hms W 5 Poterlt 1 omet er 2SK ohm...

Страница 15: ...8 0 I b _ V hL_ 2 1L I I I I 11 1 I I I o R23 I I T jR__e o _ I D4 C6 Cl I I I I I I I I 3 S IIOC I RUI 1 7 R R4 R5 18 mtr T C9 cal l D5 Rl3 R comp J L c r o ll 1 4 i level R3 n lR20fcu R 2 _1c12 YVV R6 1 i stereo 7 sio I cell In vu mtr mod out mtl b strap mtr ond out gnd 0 2 3 4 6 7 8 9 10 12 v OWG 800 016 1 MARTI Glec troniej J n c COMPRESSOR AMP CA 40 ...

Страница 16: ...5 f 200 V 5 Capacitor 01 uf 25 V 80 20 Capacitor 2 2 uf 100 V 10 JS Capacitor 033 uf 33 V 5 3 Capacitor 20 uf 16 V capacitor 125 uf 16 V apacitor 125 uf 15 V Jt Capacitor l 6 V 2 w t J 0 Diode 1N4007 O O 5 or Diode 1N914 or 1N4148 7 R O 0 2 or Diode 1N914 or 1N4148 0 Diode SZll OA Zener 5 1 o Transistor 2N3391 So L S 1 oTransistor 2N5306 Q t o 190Transistor 9PS1761 toe Transistor 2N5245 f o l Resi...

Страница 17: ...LIFIER MODULE MODEL NO CA 40 ITEM PART NO DESCRIPTION R21 100 522 R22 100 152 R23 100 184 Loo Potentiometer SK ohm W IRC 30 t Resistor SK ohms W 5 1 Resistor 180K ohms W 5 VVR 451 001 Voltage Variable Resistor VR c 1l l 75 7 800 016 Board P C VAl t Roi i 3 L S3 R 700 024 Module Metal Assembly l 73 ...

Страница 18: ...Com __ _ _ in I DWG 800 005 1 gnd I 2 R4 C3 RIO RII c i 1 o v R 5 c I I rl I I I R9 R6 R7 I RB It i 71 out lin 2 in 3 3 4 5 2 Tcs MARTI C eclronicj J nc II Rl5 I Sor 6 7voc II out 7 8 9 LINE AMPLIFIER LA 20 12 pwr c 1nd I 10 ...

Страница 19: ... 024 MARTI ELECTRONICS CLEBURNE TEXAS D E S C R I P T I 0 N Capacitor 20 uf 16 V l 2 IAJP 2S v Capacitor 400 uf 4V 4 70 Q u Capacitor 300 pf lKV Capacitor 125 uf 16V O lr 1 v Capacitor 47 pf lKV Capacitor 125 uf 16 V I o f 1 s Same I o G V Diode IN 3 154 IN 0 7 Same Trans i s t or 2N3391 Trans is tor Same Transis t or SPS 1761 Transis t or SPS 1762 Res i s tor 4 7K ohms watt 5 Resis tor 220 ohms w...

Страница 20: ...www SteamPoweredRadio Com ...

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