Delta Electronics C-QUAM ASE-1 Page 25 Preliminary Manual Download

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Summary of Contents for C-QUAM ASE-1

Page 1: ...oweredRadio Com I I I I I I C OOAM S TEREX SYSTEM I INSTALI ATICN I Preliminary Manual I I I I I I 1 I s I l I ll DELTA ELECTRONICS DELTA ELECTRONICS INC I 6730 GENERAL WASHINGTON DRIVE ALEXANDfKA VIR...

Page 2: ...ual EXCITER t ODEL ASE 1 t aXJI ATICN M Nl roR t ODEL ASM 1 FCC I D Il 767Cl300 DELTA ELF Cl RCNICS INC 5730 GENERAL WASHING IW DRIVE ALEXANDRIA VIR iINIA 22312 c OUAM is a registered trademark of r t...

Page 3: ...production Such component parts bear only the warranty of the manufacturer thereof in effect at the time of shipnent to Purchaser Delta will at its own expense and after written notice has been recei...

Page 4: ...hether to person or property resulting from its use REPLACEMENT PARTS To obtain service replacement or warranty items write or call Delta Please supply Product Identification Model Number and Serial N...

Page 5: ...3 2 Procedures 3 1 I 4 ASE 1 RF CONNECTIONS TO BROADCAST TRANSMITI ER 4 1 4 1 Introduction 4 1 4 2 Discussion 4 1 I 5 ASE 1 AUDIO CONNECTIONS TO 5 1 BROl DCAST TRANSMITI ER 5 1 Introduction 5 1 I 5 2...

Page 6: ...DENTIFICATION 2 IDEAL OSCILLOSCOPE DISPLAY OF 2 3A I srEREO SIGNALS 5 SAMPLE OSCILLOSCOPE DISPLAYS OF 2 38 srEREO SIGNALS 6 7 I CLOSED LOOP F QUIPMENT ARRAN iEMENT 1 2 4A MATCHIN i PAD CONsrRUCTION 2...

Page 7: ...AUDIO EQUALIZER MATRIX Y i ENCODER L R AMPLIFIER SAMPLE TRANSMITTER RF AMPLIFIER PCMER SUPPLY AUDIO NIGtrr PROCESSOR AUDIO INTERFACE BULK DELAY FUNCTI AL DIAGRAM 1 0NITOR MIXER DECODER AVC METER POWE...

Page 8: ...www SteamPoweredRadio Com I LIST OF TABLES I I I I I I I I I I I I I I I I I t I I...

Page 9: ...to transmit stereo It is truly a compatible stereo transmission system II AM ANO PM 1 l JLATICN To ensure a full understanding of C QUAM a quick presentation of modulation characteristics is in order...

Page 10: ...www SteamPoweredRadio Com I I I I I I I I FIGL RE lA ENVELOPE I I I I I I FIGURE 18 I SPECTRLM I I FIGURE 1 I AMPLITUDE t ODULATION I F 2...

Page 11: ...velope detector does not detect ilase variations of the PM signal All the sidebands add and subtract according to their phasing to produce a constant amplitude RF signal Thus a ilase modulated carrier...

Page 12: ...www SteamPoweredRadio Com I I I I I I I I I I I I I I I I I I I FIGLRE 2A ENVELOPE FIGURE 28 SPECTRLM FIGURE 2 PHASE t ODULATION I F 4...

Page 13: ...atible with envelope detector receivers because the Q channel amplitude affects the amplitude of the sum of the I and Q channels The QUAM signal is thus passed through a limiter to strip off the ampli...

Page 14: ...I I I I I I I I I I CARRIER 90 PHASE OSCILLATOR SHIFTER QUAM SUMMATION TRANSMITTER RF INPUT L A Q L A _____ ___________ ____ L RAUDIO MATRIX IASM 1 MODULATION MONITOR FIGURE 3 C QUAM BLOCK DIAGRAM I...

Page 15: ...ization In Section 6 procedures are given for the first Proof of Performance measurement process involving the new equipment Sections 7 and 8 are Equipment and Assembly level Lists of Material and Ass...

Page 16: ...ax at 85 mod L R single channel 1 0 max at 70 mod NCYrE Ibis is equivalent of 140 modulation 70 envelope modulation simultaneous with 70 stereo infor mation 1 2 2 ASE l ASM 1 Unit Specifications EXCIT...

Page 17: ...c output Sample Transmitter C QUAM output 2 volts peak to peak into 50 ohms for closed loop tests Barrier Strip rear panel L R audio output Modulation Meters Functions or Land L R or Rand L R Front pa...

Page 18: ...Com _ _ 0 N 4 05801 AM Sf ll O ICIT II aS 1 C OUAM St ST M I OUT lUCtAONICI I I I O o OS802 S801 OS803 l llOT SHll O NIGHt l III QHT J t l A Ill _ i M801 7 EXCITER FRONT VIEW R782 R78 l R784 R783 580...

Page 19: ...R Mj Mono Stereo switch Stereo Pilot switch L R Envelope switch Night Day switch Balance Bottom L RQ indicates L R and L R audio drive levels On Off indication of night operating mode Audio drive lev...

Page 20: ...parallel with front panel switch for changing equalization when using another transmitter or antenna See Exciter front panel controls Left and Right 600 ohm balanced audio input O dBm to 10 dBm determ...

Page 21: ...www SteamPoweredRadio Com I I I I I I I I I I I I I I I I I I...

Page 22: ...D ER AUDIO a UA liER MA_IR IX DAY UOIO N IGHT PROCESSOR POWER SUPPLY f 1 JIWTrifflff h S607 1 i 0 E FE A T 7 o r tiPROtlss J Sl i 1 _t j t 1 l S J i tl 4 ll J s A _ f lf I i Q i_f jl ti _ 1 t i i i _...

Page 23: ...UENCY EQUALIZATICN sections compensating for signal path differences in the NIGHT transmitter LEFT and RIGHT audio signal DEI Y from O to 15 microseconds is also provided to compensate for both the mY...

Page 24: ...o Interface Card This circuit card irounted on the left side of the EXCITER provides the interconnections for the two 600 ohm attenuator pads that reduce the station s LEFT and RIGHT input audio typic...

Page 25: ...mponent side 1 THRU 22 The exciter circuit card has 22 connections on each side of the card When viewed as shown above the alphabetical pin outs are always on the left and the numerical are on the rig...

Page 26: ...front thumb wheel switch Its function depends on the modulation switch setting S801 The monaural 100 envelope and 125 envelope limits have no external settings and are both fixed factory adjustments...

Page 27: ...www SteamPoweredRadio Com I 1 I I I I I I I I I 1 I I I I I I...

Page 28: ...set control R819 As long as the carrier level indication is within the range of the meter 20 change of RF level the modulation circuits will be within their design accuracy Two position meter functio...

Page 29: ...www SteamPoweredRadio Com I I I I I I I I I I 1 tC IT I QE jf P Ne t I I I I I I I I I...

Page 30: ...left audio channel For distortion measurements of right audio channel A 60 dB s tep attenuator in 10 dB steps used with the front panel carrier set control to calibrate the rronitor RF sample input fr...

Page 31: ...www SteamPoweredRadio Com I I I I I I I I I I I I I I I I I I MON I li A C 1 C v 1T C li v OUITtol...

Page 32: ...hannel AVC The AVC circuit card oontrols the audio signal level allowing the audio signal to be used as an instantaneous indication of the modulation level Ibis card also contains the carrier level de...

Page 33: ...onversion to a 450 kHz IF It has a wide band front end which is switch prograrrrned to the station frequency at the factory 1 4 4 Monitor Curcuit Card Edge Connector Pin Identification be Monitor circ...

Page 34: ...www SteamPoweredRadio Com I I I I I I I I I I I I I I I I I I I I CAR 0 t pc e CONH c ro I N IJ tHnFtcATitJ...

Page 35: ...e equipnent for any evidence of mishandling Report damage to the carrier illlt ediately 2 2 MECHANICAL CHECKOUT CAUTIOO Complete this procedure before applying power to units Remove all screws from th...

Page 36: ...lloscope Display Use an oscilloscope continually in an X Y mode to display the stereophonic operation of the C QUAM Exciter and Monitor An adequate X Y display requires an oscilloscope of such sensiti...

Page 37: ...2 lf connect the oscilloscope to the Monitor unbalanced left and right BNC outputs J9 and Jll Connect the left output to the X axis oscilloscope input CAUTICl l Reduce the intensity of the oscilloscop...

Page 38: ...www SteamPoweredRadio Com I I I I I I I I I I I I I I I I 1 I I left Only Right Only left Plus Right left Minus Right NOTE Pilot Tone Off Figure 5 Ideal Oscilloscope Displays ofStereo Signals __ __ _...

Page 39: ...ww SteamPoweredRadio Com I I I I I I I I I I I I I I I I I I I NORMAL T H D on RIGHT can be at top or bottom POOR SEPARATION POOR RIGHT EQUALIZATION Figure 6 Sampl6 Oscill ope Displays ofSt reo Signal...

Page 40: ..._ IPMON NEGATIVE PEAK l R Modulation 5 Straight line indicates relatively little 1PM except an ucersion on the negative peak of modulation l R Modulation 95 Curved line indicates aconsiderable amount...

Page 41: ...oscilloscope input is usually high impedance The distortion analyzer input which will be used to take measurements from several of the Monitor rear panel outputs via BNC connectors also can be unbala...

Page 42: ...edRadio Com I I I I I I I I I I I I I I I I I I I i Ot f fll A AlYZ fl L l tftBI OSClllOSC D 1111 uu ___ ____ L MOfillllOfl u I I IXClllfl Figure 1 _ Closed Loop Equipment Arr ngemenc AUOIO OSClllATOf...

Page 43: ...efore unplug the line cords to turn either unit off After AC power is applied the lights for all meters should be lighted rtlrow the meter switch small toggle switch on the Monitor under the carrier L...

Page 44: ...www SteamPoweredRadio Com I I I I I I I I I I I 430Sl 430A AUDIO OSCILLATOR PAO r I LEFT LEFT I I I RIGHT I RIGHT I I L R L R I Figur 2 PHASING EXCITER INPUTS...

Page 45: ...odulation 2 4 2 Left Plus Right AM Operation Connect the output of the audio oscillator through the pad to the left and right audio input terminals of the Exciter phasing the inputs for L R operation...

Page 46: ...www SteamPoweredRadio Com I I I I I I I I I I I I I I I I I I 10 20 JO SO dB so ____l__ 10 Oscilloscope Envelope Spectrum Analyzer Figure 3 _____ __________________ _...

Page 47: ...ter should indicate 100 modulatin Adjust the digital switch immediately to the left of the meter to 100 and the corresponding LED indicator should also light For distortion measurements on L R 95 modu...

Page 48: ...e the right hand meter Select the L R function with the pushbuttons S802 and pusbh the range selector buttons until a reading is obtained On the Exciter adjust balance control R783 until a null in the...

Page 49: ...to L R The meter should read within a percent of 95 Connect the distortion and noise meter to the BNC connector in the rear of the Monitor labeled L R Fidelity measurements should show performance wi...

Page 50: ...www SteamPoweredRadio Com I I I I I I I I I I I I I I I I I I I 0 10 zo lO 40 zo MAXIMUM IROAOCAST TRANSMITTER l R 10 l R CROSSTALK zoo IS Ar l l RI 50 AM l RI Auilio f1tqut11cy Ht Figur B...

Page 51: ...ht channel output using pushbutton S802 The separation for 100 modulation can be read directly on the right meter by selecting the appropriate scale with pushbuttons S802 NOTE For SO modulation the re...

Page 52: ...nt panel Using an unmodulated transmitter set the monitor RF input level for a center indication on the carrier meter Modulate the broadcast transmitter withal kHz tone inserted at the normal audio in...

Page 53: ...the transmitter will be required to reduce the noise level Improved p wer supply filterirY3 on the lower level RF stages in the transmitter is a general practice The dressing of leads having H curren...

Page 54: ...ter IPM measurements do not satisfy the values indicated in Figure 8 or to improve on existing performance modulate the transmitter with a higher frequency audio tone 5 or 7 5 kHz Watch the crosstalk...

Page 55: ...puts have no amplitude modulation but do have the proper Ef ase m dulation required for C QUAM AM Stereo Another output is available at the rear of the Exciter which is oot rrodulated in either amplit...

Page 56: ...es which in turn can cause incidental phase modulation lberefore the higher the level on the cable and the higher the RF stage in the transmitter being driven the less opportunity for incidental phase...

Page 57: ...www SteamPoweredRadio Com I I I I I I I I I I 50 OHM COAXIAL CABLE U50 2W uo lW 471 l 2W Figure 9...

Page 58: ...the stereo Exciter to your transmitter has been accomplished a recheck of the phase modulated hum and noise and incidental i hase trodulation should be made Using the normal audio input to the transm...

Page 59: ...www SteamPoweredRadio Com I I I I I I I I I I I I I I I I I I 50 OHM COAXIAL e CABLE C f 1 r J l J i BIAS 50 OHM it 76 i T lOOA I rt tW BIAS TOROID Figur 10...

Page 60: ...ct the roonaural performance of the transmitter Initially an audio oscillator set to l kHz should be connected to the left and right audio inputs of the stereo exciter phased for L R modulation 5 2 PH...

Page 61: ...www SteamPoweredRadio Com I I I I I I I I I I I I I I I I I I I _ iJ p r _ I I _...

Page 62: ...e with the front panel screwdriver adjust The precise setting of the L R drive to the broadcast transmitter can be more accurately set by observing separation lbwever separation at this time is rrost...

Page 63: ...ignal outputs at the p rts J9 and Jll on the monitor Adjust LEFT DELAY SNITCH S608 from its zero position in l microsecond steps for best closure Compare the oscilloscope display with those shown in P...

Page 64: ...o the oor positions Set the HI FREQ EQUAL Q and LOW FREQ EQUAL Q switches on both the DAY and NIGHT CIRCUIT CARDS S304 S306 S302 S301 S604 S606 S602 and S601 to the IN position See Figure 4 Set the OS...

Page 65: ...I R GtiT HlfR O OUAL RIGHT HI FR 0 CON Lfl HI FR O CONT LEFT HlfR O COUAL RIGHT LOWFR O COUAL t LCFT LOW fR O EOUAL 2 Figure 4 Exciter Equ1lization AdjustrMnts UndN Top Cover Access RIGHT HIFR O COUAL...

Page 66: ...pposite the DAY CIRCUIT CARD controls described above 5 5 SEPARATIOO CHECKS Separation measurements should now be made over the audio spectrllt with the LEFT channel driven and then the same measureme...

Page 67: ...look for when operatiN J into the antenna One is that the impedance bandwidth of the antenna system often is much narrower than the dwnmy load and the radiation from the antenna back into the transmit...

Page 68: ...ion is that the increase in Incidental Phase I Modulation is being caused by the RADIATED RF signal from the ANTENNA Appropriate corrective action must be undertaken 11lis completes the check out and...

Page 69: ...convenience forms for tabulating and plotting the data are included in this section A sunmary of the FCC proof requirements is shown also in Appendix A 6 2 PROCEDURE Although the FCC requires that eq...

Page 70: ...tly low that the measurements made of the various performance characteristics will be reflective of the limits of the broadcast transmitter stereo encoder performance Referring to Figure 2 the measure...

Page 71: ...N LEFT AUDIO IN A eqOAOCAST TRANSMITTER AUDIO IN EXCITER 8 RIGHT AUDIO IN JOOU _ 11 t _R_ F O U T_ ___ ___ TRANSMITTER MODULATED R F SAMPLE L R F IN STEREO MODULATION MONITOR R L R L R PILOT l220 l220...

Page 72: ...audio oscillator is connected as previously described for main L R left L and right R modulation The frequency response can be directly observed by selecting L R for main channel response or L for the...

Page 73: ...ue with the indication of the red dB scale on the meter It is _ already calibrated against 100 percent modulation Incidental phase modulation is measured as follows Connect the audio oscillator throug...

Page 74: ...ft The front panel meters can be used directly when set to L and R e separation can be read directly on the panel meters with the meter range buttons only for 100 percent left or right only modulation...

Page 75: ...www SteamPoweredRadio Com I I I I I I I I SECTION 7 LISI S OF MATERIAL 7...

Page 76: ...www SteamPoweredRadio Com I I I I I I I I I I I I H I I I I I I I SECTION 8 SCHEMATIC DIAGRAMS...

Page 77: ...T INTO 600 HC5 10 Ill 2 9 14 243 6 20 226 290 200 2 A02 112 0 oo 100 2 1020 110 2260 5t 9 INF 0 5 4 4 3 IILUE 1 l fMATERIAL TO AtAA TEAMS CRJGHTI INPUT 2 Rf VISIONS SVM ZOH O SCRIPT ION OAT APPAOV O S...

Page 78: ...K S30t HOTE ti J302 2 R320 BAL A3 19 10 2K J A383 TO fAOt f P4LU 2 2 Rj 51 1 IETEA SVITCH SL il __ _ _ AJ6 _ a HOJ30 E E J1 1 21 93 lK 5 LON Ffl O 0UM IU1ION r l09 I 1 S302 RllO 10 2 3 A3 27 A336 IK 2...

Page 79: ...C658 l 5 C654 10 9 S609 613 2 0K LOtif REO EOALI A TION IOOK 605 2 0K R 70 ti II C8J2 1 800 A S 661 R682 681 OPTO IS4X AT O VAAU8L A S STEA Jt0 t7 U R664 7 0 C629 L OUT TO AtJQIO I JIO Y 18 PMC S OEF...

Page 80: ...5 5 52 3 us 200 II 808 11 200 II C7 1 20 806 11 C19 1 4 t5V C 1 01 a 21 808 1S t5Y 4 R us 02 II 22 100 11 402 II 23 100 11 C2Z 1 3 C 2 OIi 12 402 11 100 11 REF DES PREFIX A l 2 REVISIONS YM ONE OESCRI...

Page 81: ...CAPACITORS TO 8E REPU ca lilllt4 CilPACIT OF EQUIV T04P COEFFJCIEHTS 5 Cl20A Ct208 Ct2l AU At 5 TO II OETUO INEO T80 PEA CUSTOl Ell0 S CAAAIEA FREQUENCY tSV tSV At7t 22 D C SlFPRESSION H t SV 0107 CA1...

Page 82: ...SIONS ITE out frilOTES 1 lH ESS OTHEFN lst SPEc1 1E o ALI IIESISTOAS AE IN 0NCS N 51 2 u ess OTHEAwl r SPf Clf m ALL CAPACITORS Re IH t4ICROfAAAOS tOS 3 TEST AKJ INSP CTl0N PAOC OuAe 70 l 32l 4 C90S C...

Page 83: ...l O DRAWN _____ _______ OIMENSIONS AR IN INCHES I t lN ESS OTHtAWlSf P Clf IED M L flOISTORS AR IN t Mt SS OTIEAWIK SPECJ JO AU CAPACITOAS J lllll JN MICAOfl ARAOI SOI 1UT CJ J IOH 1 03 322 UOJCTOM IH...

Page 84: ...PAOCEOUAE 70 3 a CA40t CA402 CR401 CR404 ARE tN4720 CA CR 406 DW07 AAE 1 4002 s YOI T AEGI U TOAS toOI O TtD OH AIGKT SIOf PM El IEATSI I I I I CR B 79 B IIN OIIT Jt l B V t i _ 1511 c CR40l l 5 I _ V...

Page 85: ...01 uc l P i HO N UUICl 1 1 C u et o c t MWIH0110t Ml I 111 0 t OUO AHU IW l OI IP U 4 3 2 REVISIONS YI ONE OESCRIPT ION OATE APPA OVEO SEE SHEET Ol OF 8033 324 FOR REVISIONS I I cnts t _ lf 65 OTI ew1...

Page 86: ...VISIONS L__ OUT J 2 J Jl5 fJ h R57l 5K ll504 TLOUCH L__ _ _ _ _ _ _ __ _ _ _ _ I 270K l 6 1 2 KM 2 21 l5V 880 6 oo hcss1 1 0 S4 515 7 _ IF clJ00 3C l _ v l 7K _i_ 1 L __ _____________________ J l l I...

Page 87: ..._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ J lo 5 7 CL fl PEAK IETEA 5 l UI L _ 0 C l f 0 C 1 c t O MlUl ltl CI C llltOfH _ c oo uo1 u 1 11 o t o l lO H l t T ff ta 4 ASM 1 NEXT ASSY USED ON APPLICATION 3 2 REVI...

Page 88: ...T NCJ INSPECTION PA0CEOURE 7033 329 4 VlOt U tOZ U30 4 U305 U308 U309 AA n oa a U303 1s n082CP U308 IS tc 33029 0307 U3t0 AJiE MCU55Pt S5V C342 rs C324 1 U TPOI OOICATOA CIACUI _l Ol F A A Jt7 W AEICI...

Page 89: ...TION 7033 CA903 VOLTAGE AEGu UOAS ARf N UrrfTEO ON RIGHT SIDE PANEL HEATIIHK __ 5 CA907 ANO CA908 INSTAU 1 CIA SERIAL _ iE Jte v 1U11ERS 78 ANO A80V l Jl R 25V 7915 I I It OUTI JUI ft t3 ssv I GM I 1...

Page 90: ...www SteamPoweredRadio Com I I I I I I APPENDIX A I FCC SECTIOO S 74 40 AND 73 128 I I I I I I I I I I I I...

Page 91: ...I I I I I I APPENDIX B I ASE 1 ASM l UIPMENT PERFORMANCE MEASUREMENT I SAMPLE FORMS I I I I I I I I I I I I...

Page 92: ...al Radio Station Date L R Frequenc y Response 95 Modulati on L R Distortio n 95 Modulati on L R into L R Crosstalk 1PM L R Noise Level r 50 Exciter to Monitor Closed L oop Checkou t L A L R Performa n...

Page 93: ...0 l dB 2 3 4 5 3 2 1 0 o 1 _ 5 Q I 1 21 0 dB 2 31 3 _ 40 4 l I I 50 I I I 100 Excit er to Moni tor Close d Loop Chec kout L R Perfo rman ce r I j I I I 400 Frequ ency Hz L R I I l I I 1 I I I I I I I...

Page 94: ...o n _ _ _ _ _ _ Date L R Frequ ency Respo nse 95 Modul ation L R Distor tion 95 Modul ation L R into L R Crosst alk l nciden tial Ampli tude Modul ation L R Noise Level 50 100 Excite r to Monit or Clo...

Page 95: ...ww SteamPoweredRadio Com Q _ dB 2 3 dB 4 5 3 2 _ _ 2 2 3 0 0 5 0 It 0 It 0 5 0 4 5 L R into L R Cro ssta lk 50 100 r _ n Exc iter to Mo nito r Clo sed Loo p Che cko ut L R Per form anc e Fre que ncy H...

Page 96: ...nnel Audio Frequency Response 50 Modulation Right Channel Distortion 50 Modulation Right Channel into Left Separation 50 Modulation Right Channel Noise Level 50 fi Exciter to Monitor Closed Loop Check...

Page 97: ...www Ste amP owe redR adio Com a 0 l dB 2 3 4 5 3 2 1 0 0 dB 5 n _ _ 1 2 0 2 3 0 3 5 41 0 4 5 50 100 Exc iter to Mon itor Clos ed Loo p Che cko ut Left Cha nne l Perf orm ance 400 Freq uen cy Hz Left...

Page 98: ...annel Frequency Response 50 Modulation Left Channel Distortion 50 Modulation Left Channel into Right Separation 50 Modulation Left Channel Noise Level r 50 100 I Exciter to Monitor Closed Loop Perform...

Page 99: ...w S tea mP owe red Rad io C om CJ 2 1 0 _ 2 3 4 5 t _ r Radi o Stati on _ _ _ _ _ Date L R 25 MOD ULA TION I V I I FRE QUE NCY RESP ONS E DIST ORT ION 50 100 4 L R 25 2 1 0 d 1 2 3 4 5 8 7 6 5 4 3 2 1...

Page 100: ...Mod ulati on 2 dB 100 Sk Left 25 Mod ulati on 2 dB 100 5k Dist ortio n Left 75 Mod ulati on 5 Left 50 Mod ulati on 5 Left 25 Mod ulati on 5 Whe n attai nabl e r 50 EQU IPM ENT PER FOR Mff lE JPl uR ft...

Page 101: ...redRa dio Com txl 2 l 0 _ 2 3 4 5 Rad io Sta tion __ __ __ __ _ _ Dat e Ir 50 100 LE FT CH AN NE L 75 MO DU LA TIO N I V I I FR EQ UE NC Y RE SPO NS E DIS TO RT ION UU H Lef t 75 2 1 0 d 1 2 3 4 5 8 7...

Page 102: ...w SteamPoweredRadio Com W e 2 1 0 _ 2 3 4 5 8 7 6 5 4 3 2 1 0 50 100 r LEFT CHANNEL 50 MODULAT ION I I I I FREQUEN CY RESPONSE DISTORTI ON 400 1k Sk Freque Hz 7 k J 2 1 0 d 1 2 3 4 5 8 7 6 5 4 3 2 1 o...

Page 103: ...a dio Co m 2 l 0 1 2 3 4 5 _ _ Rad io Stat ion _ _ _ _ _ _ _ _ _ _ Date ti 50 50 100 LEF T CHA NNE L 25 MO DUL ATI ON I V I i I FRE QUE NCY RES PON SE DIS TOR TIO N __ _____ _ _ Left 25 2 1 0 dE 1 2 3...

Page 104: ...C 2dB 100 Skf Right 25 Modu lation 2 dB 100 Sk Disto rtion Righ t 75 Modu lation 5 Right 50 Modu lation 5 Righ t 25 Modu lation 5 r When attain able 50 EQU IPME NT PERF ORM ANC E MEA SUR EME NTS TABU...

Page 105: ...www SteamPoweredRadio Com _ i A _ _ D a t e RIGHT INTO LEFT 50 MODU LATIO N 0 5 10 15 0 to 5 years 20 After 5 years 25 30 35 40 45 50 I I 60 50 100 400 1k Freque ncy Hz r...

Page 106: ...ula tion Inciden tal Phase Modula tion Same as above express ed in Radian s No Specifi cation 95 L R Modul ation Subcha nnel to Main Crossta lk No Specifi cation 95 L R Modula tion _ EQUIP MENT PERFO...

Page 107: ...www SteamPoweredRadio Com O n _ _ Date _ _ _ _ _ _ _ _ _ 0 5 o 15 20 25 30 _ 35 40 45 50 60 50 W so 5 ta 1Nc1 OEN TAL PHA SE MOD ULA TION L R 95 MOD ULA TION 100 400 Freq uenc y Hz 4 I...

Page 108: ...www SteamPoweredRadio Com s s St a w I_ __ __ __ SUB CH ANN EL TO MA IN CR OS STA LK Date _ _ _ _ _ _ _ _ _ 0 5 10 15 20 I 25 dB 30 35 40 4 51 60 50 L R 95 MO DU LAT ION 100 400 Fre que ncy Hz...

Page 109: ...ation L R 85 Modul ation L R 50 Modul ation L R 25 Modul ation Noise Level Be ow J 00 at 400 Hz L R _ _ _ _ _ d8 Left ___ ___ dB Right _ _ _ _ _ dB EQUIP MENT PERF ORMA NCE MEAS UREM ENTS TABU LATIO...

Page 110: ...r tivr ___ ___ ___ ___ ___ _ Q _ dB 2 3 4 5 Da y __ __ O te _ _ _ _ _ _ _ _ Xm ttr __ Pow er _ _ _ _ _ _ Lo ad Du mm y _D ay _N ig ht _ _ _ _ _ _ _ _ _ 6 Di sto rtio n I I I I I I 1 1 1 1 1 4 4 dB 2...

Page 111: ...0 _ 2 3 4 5 8 7 6 5 co 4 3 2 1 0 Rad io Station _ _ _ _ _ _ _ _ Date 50 100 400 RIGHT CHANNEL 75 MODULAT ION I V I I I FREQUEN CY RESPONSE DISTORTI ON lk Frequency Hz 5k Right 75 7 k 10k 12 15k 2 1 0...

Page 112: ...dio Com v _ Date Right RIGHT CHANNEL SO 50 MODULAT ION 2 I 1 2 I 1 I I rn 0 I O dE 1 1 2 3 4 5 8 7 6 5 4 3 2 0 50 r I FREQUEN CY RESPONSE DISTORTI ON 100 400 1k FrequeR Hz 5k 7 k 10k 12 15k r 2 3 4 5...

Page 113: ...Radio Com di o n 2 1 0 _ 2 3 4 5 8 7 6 5 4 3 2 0 Date 50 100 400 RIGHT CHANN EL 25 MODUL ATION I V I I FREQU ENCY RESPON SE DISTOR TION 1k Frequen cy Hz Sk Right 25 7 k 10k 12 15k 2 1 0 dB 1 2 3 4 5 8...

Page 114: ...on _ _ _ _ _ _ _ _ Date _ _ _ _ _ _ _ _ _ Separation Left into Right 50 Modulation Separation Right into Left 50 Modulation r 50 EQUIPMENT PERFORMANCE MEASUREMENTS TABULATION OF DATA 100 400 Separatio...

Page 115: ...Com J StatiOI _ _ _ _ _ _ _ _ Date _ _ _ _ _ _ _ _ _ 0 5 10 15 20 25 30 35 40 45 50 60 50 100 f SEPA RATIO N LEFT INTO RIGHT 50 MODU LATIO N 400 lk Freque ncy Hz 0 to 5 years After 5 years 0 Separa t...

Page 116: ...SteamPoweredRadio Com a ca _ _ _ _J 0 5 10 15 20 25 rn 30 35 40 45 50 60 50 100 r all R A RIGHT INTO LEFT 50 MODULA TION 400 Frequenc y Hz 1k 0 to 5 years After 5 years Sk ghl Separatio n 7 k 10k 12 1...

Page 117: ...Modulat ion Incident al Phase Modulat ion Same as above expresse d in Radians No Specific ation 95 L R Modulat ion Subchan nel to Main Crosstal k No Specific ation 95 L R Modulat ion 50 EQUIPM ENT PE...

Page 118: ...WIIIII Stci l ALSO _ L R to L R Date _ _ _ _ _ _ _ _ _ INCIDENTAL PHASE MODULATION L R 95 MODULATION Crosstalk o r T 5 r t 4 J J 10 r r 1 15 20 25 dB 30 351 40 I I I I I I I II I 45 50 60 50 100 400 l...

Page 119: ...eamPoweredRadio Com L r L R Stat Date SUBCH ANNEL TO MAIN CROSS TALK Crosstal k L R 95 MODUL ATION 0 5 10 15 20 25 dB 30 35 40 45 50 I I I I I I I I I I I 60 ll 50 100 400 1k Sk 7 k 10k 12 15k Frequen...

Page 120: ...R 100 Modulation L R 85 Modulation L R 50 Modulation L R 25 Modulation Noise Level Below 100 at 400 Hz l R _ _ _ _ dB Left _ _ _ dB Right _ _ _ _ _ dB _ EQUIPMENT PERFORMANCE MEASUREMENTS TABULATION...

Page 121: ...www SteamPoweredRadio Com f s I I I I I I I I I I I I I I I I I I...

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