Radio-communication service tester РСТ-430 CHECK METHOD ИТЦК CM

Transcription

1 Radio-communication service tester РСТ-430 CHECK METHOD ИТЦК CM 2005

2 Present check method is for radio-communication service tester РСТ-430. It establishes/ methods of primary/ periodical checks according to ИТЦК S The tester is checked for establishment of tester use: - primary check, before tester output; - / periodical check, during exploitation; - extra check, in the case of check documents loss; long-term storage of tester. It is checked in accordance with established procedure. Interval 1 year. Metrological performance of the tester is in A enclosure. 1 CHECK STAGES 1.1 During the check following operations should be carried out: Table 1 Check Primar Period Name of operation Item y ical check check 1 External examination 6.1 Yes Yes 2 Testing 6.2 Yes Yes 3 Metrological performance determinations: 3.1 output signal frequency forming relative error Yes Yes estimation (high-frequency) 3.2 problem voltage setting absolute error Yes Yes estimation (high-frequency) 3.3 signal frequency deviation setting relative error Yes Yes estimation (high-frequency) 3.4 output signal frequency forming relative error Yes Yes estimation (low0frequency) 3.5 problem voltage setting absolute error Yes Yes estimation (low-frequency) 3.6 signal frequency measuring relative error Yes Yes estimation (high-frequency) 3.7 signal frequency deviation measuring relative Yes Yes error estimation (high-frequency) 3.8 output signal power measuring relative error Yes Yes estimation (high-frequency) 2

3 Table signal frequency measuring absolute error estimation (low-frequency) 3.10 alternating voltage measuring relative error estimation 3.11 alternating voltage distortion factor measuring relative error estimation 3.12 direct voltage measuring relative error estimation Yes Yes Yes Yes Yes Yes Yes Yes 1.2 If result is negative during one of the operations, the check will be stopped. 2 CHECK INSTRUMENTS 2.1 During the check following measuring instruments and auxiliary equipment must be used: Check and method number name, model, mark key specifications and/ or metrological performance Spectrograph С4-74 Frequency measurement in the range from 300 Гц to 300 MHz. Δ аbs = ( f c + 1/ t сч ), Гц. Voltage level measurement in the range from 300 LM to 3 V. rel = 10 % Programmable highfrequency signal generator Г4-164 Frequency range from 0,1 to 639,999 МHz. rel = 0, %. Problem voltage range from 0, to 2 V. Δ аbs = 0,1 дб. 3 Spectrograph С4-74 Selective microvoltmeter SMV Low-frequency signal generator Г3-112/1 Problem voltage 0 25 V. Frequency range from 10 Гц to 1 МГц. = ± 6 %. Peak value measurement limits 0, кhz. Δ rel

4 Computing meter СК3-45 modulation Δ абс = (0,1Δf f c + 0,005), кгц. Mean square value measurement limits 0, кhz. Δ абс = (0,1Δf f c + 0,002), кhz. Selective microvoltmeter SMV cymometer Ч3-54 Frequency measurement limits from 0,1 to 120 mhz. Δ rel = { / (f chan t сч )} Versatile digital Sinusoidal voltage measurement range up to voltmeter В В frequency range from 20 Гц to 100 кhz Δ rel = {0,15+0,05[(U кх /U x )-1]},% Distortion factor measurement range КНИ 0, %. Δ аbs = ± (0,05 К г + 0,02), %, where К г Distortion meter С6-12 instrument reading Programmable highfrequency signal generator Г

5 Table Programmable highfrequency signal generator Г Accepted power wattmeter М3-56 Power amplifierум Programmable highfrequency signal generator Г Low-frequency signal generator Г3-112/1 cymometer Ч Low-frequency signal generator Г3-112/1 Versatile voltmeter В7-34 digital Power measurement range 0 20 in the range up to 17,85 ГГц. rel = {6 + 0,1[(Р к /Р х ) 1]}, %. Measurable power range 0 20 W frequency range from 100 to 400 МHz Distortion meter С6-12 Low-frequency signal generator Г3-112/ Voltmeter checking instrument В1-13 Distortion factor measurement range 0, %. Δ аbs = ± (0,05 К г + 0,02), %, where К г instrument reading, % Power measurement limits from 100 mcv to 100 В. Δ аbs = ( U f + 500), mcv. 2.2 It is allowed to use other check instrument not mentioned in the table 2 if they are legal in accordance with established procedure in Russian Federation. Accuracy rating and characteristics must be no worse than above-mentioned. 2.3 All measuring instruments mentioned in the table 2 must be checked in accordance with established procedure and have check certificate in force 3 SAFETY REQUIREMENTS 5

6 РСТ-430 Radio station ИТЦК МП 3.1 Persons who have passed safety briefing are admitted to check the tester. 3.2 Compliance voltage and operating voltage should be checked before switching on the tester Safety requirements stated in the in-line documentation should be observed during the check. 3.4 Cable recommutation is FORBIDDEN while instruments are switched on. 4 CHECK CONDITIONS 4.1 Following conditions should be observed during the check: - ambient temperature, С 20 ± 5; - atmospheric moisture capacity, % ; - atmospheric pressure, кпа (мм рт.ст).. 86,6 106,7 ( ); - supply voltage, В ± 22; - supply voltage frequency, Гц ± 1. Supply line voltage should be stable and step-free. 5 CHECK PREPARATION 5.1 Following cleanup activities should be carried out before checking the testers: 1) checkable testers and check instruments must be kept indoors in the conditions specified in 4.1 for 2 hours 2) check instruments should be prepared in accordance with in-line documentation. 3) checkable testers should be prepared in accordance with operations manual 6 CHECKING 6.1 External examination Make sure that complete set is in accordance with tester РСТ-430 passport Make sure that marking conforms to tester in-line documentation Make sure tester is visible damage- and soiling-free Examine control settings intactness (buttons, toggle switches, and so on) Be certain tester has QCD print and check certificate It is forbidden to check tester if there are damages. 6.2 Testing Following operations should be carried out under testing: 1) Make sure power supply button is initialized (switched-out). 2) Connect tester to EPU БПС ) Connect tester to testable radio station in accordance to circuit on figure1. RF I Antenna AF OUT Input module BS AF IN output receiv. БПС

7 Figure 1 4) Press the power-up button. Following static picture will appear on the screen. Kontur Innovation Engineering Centre РСТ-430 Radio-communication service tester Illustration 2 5) Tester will be ready to work in 10 minutes (self-test time). 6.3 Metrological examination output signal frequency forming relative error Examination (high-frequency): Use spectrograph С4-74 for signal frequency measuring (high-frequency) in the range from 90 to 210 МHz Connect tester ("RFI" connector) to spectrograph С4-74 ( Input connector) using interface cable install on the spectrograph in accordance with its in-line documentation: - swath = 5 кhz; - bandwidth = 300 Hz; install on the tester: - Receiver mode ; - voltage level U hf -60 db; - deviation 0 кhz; - frequency F hf = 150 МHz Measure signal frequency (High-frequency) using spectrograph С4-74 in accordance with its in-line documentation Relative error of signal frequency measuring (high-frequency) can be calculated as: rel = [(F agr F м ) / F agr ] 100, % where F уст output signal frequency agreed value (high-frequency) on the tester 150 МHz.; F изм output signal frequency measured value (high-frequency) on the spectrograph, МHz Remeasure under for frequencies = 90 and 210 МHz Follow instructions under Measurement results are satisfactory if relative error of measured frequency in the range from 90 to 210 МГц is no more than ± % Error estimation of problem voltage installation (high-frequency) is calculated by scheme on figure3. 7

8 Tester РСТ-430 "RFI" "BS" Verification cable БПС15-2 "Input" С4-74 "Output" Г4-164 Figure Rig up Measure problem voltage level (high-frequency) by spectrograph С4-74 for alternating voltage with frequency = МHz Set on generator Г4-164 under its in-line documentation: - voltage level = -110 db; - frequency = -150 mhz; - continuous frequency lasing Energize spectrograph С4-74 by generator Г standardize spectrograph С4-74 through input sign with voltage = -120 dbin accordance with its in-line documentation install on the tester: - Receiver rate ; - voltage level U hf - 60 db; - deviation 0 кhz; - frequency F hf = 150 МHz Measure problem voltage (High-frequency) using spectrograph С4-74 in accordance with its in-line documentation Absolute error of signal problem voltage level measuring (high-frequency) can be defined by the formula: Δ аbs = (U hf agr U hf m-- ), db, where U hf agr problem voltage level agreed value (high-frequency) on the tester, db; U hf m problem voltage level measured value on the spectrograph С Remeasure under , gradually installing frequency = 90 and 210 МHz. on the generator Г4-164 and tester Remeasure under , gradually installing voltage level = -80 db and - 60 db on the generator Г4-164 and tester. Measurement results are satisfactory if absolute error of measured problem voltage level (highfrequency) is no more than value defined by the formula Δ аbs = ± [3 + (U hf agr / 40)], db Relative error estimation of signal frequency deviation installing (high-frequency) is calculated by scheme on figure4. 8

9 Tester РСТ-430 "RFI" "BS" interface cable С1 "Input" SMV8.5 ("Output IF") Verification cable "input" СК3-45 БПС Figure Rig up Set frequency = 150 МHz. on the microvoltmeter SMV8.5 under its in-line documentation and tune a maximum of diclinations install following parameters on the measuring instrument СК3-45 under its in-line documentation: - "FM", "+" mode; - bandwidth 0,2 200 кhz; Set on the tester: - Receiver rate; - frequency F вч = 150 МHz.; - modulation frequency = 1 кhz; - deviation = 3 кhz Measure signal frequency deviation (high-frequency) by the measuring instrument СК Relative error of frequency deviation can be defined by the formula: δ отн = ± [(D agr D м ) / D agr ] 100, %, where D agr frequency deviation agreed value on the tester, кhz; D м frequency deviation measured value on the measuring instrument СК3-45, кhz Remeasure in accordance with under agreed frequency deviation = 10 and 20 кhz. Measurement results are satisfactory if relative error of signal frequency deviation (highfrequency) is not more than the value defined by the formula: rel = ± [5 + 5 (D f / D agr )], %, where D f = 20 кhz upper value of frequency deviation setting range; D agr frequency deviation agreed value, кhz Determination of output signal frequency forming relative error (low-frequency): Connect tester ("AF OUT" connector) to cymometer Ч3-54 ( Input connector) using interface cable Set following parameters on the tester: - Transmission mode; - problem voltage U нч = 1 V; - frequency F нч = 1 кhz Measure output signal frequency (low-frequency) using cymometer under its in-line documentation Relative error of frequencyf lf measuring can be calculated as: rel = ± [(F lf agr F lf м ) / F lf agr ] 100, %

10 where F lf agr output signal frequency agreed value (low-frequency) on the tester, кhz; F lf m output signal frequency measured value (low-frequency) on the cymometer Ч3-54, кhz Remeasure in accordance with under agreed tester frequency = 5 кhz; 20 кhz. Results are satisfactory if signal frequency error (low-frequency) is not more than ± 1 Hz Absolute error estimation of problem voltage setting (low-frequency): Connect tester ("AF OUT" connector) and voltmeter В7-34 using interface cable install following parameters on the tester: - "Transmission" mode; - problem voltage U lf = 0,25V; - frequency F lf = 1 кhz Measure problem voltage U нч using voltmeter В7-34 under its in-line documentation Absolute error of problem voltage measuring can be defined by the formula: Δ аbs = (U lf agr U lf м ), V, where U lf agr agreed value of tester problem voltage, V; U lf м measured value of voltmeter В7-34 problem voltage, V Remeasure under conditions of installing problem voltage values = 1 V; 2,0 V on the tester Remeasure under conditions of installing tester frequency F lf 5 кhz; 20 кhz. Results are satisfactory if absolute of measured problem voltage (low-frequency) does not exceed the value defined by formula: Δ аbs = ± (0,02 + 0,05 U lf agr ), V, where U lf agr problem voltage agreed value (low-frequency), V Relative error estimation of signal frequency (high-frequency) is calculated by the scheme on figure install following parameters on generator Г4-164 according to its in-line documentation: - voltage = 1 В; - frequency F hf = 150 МHz install Transmission/ Frequency mode on the tester Take the tester reading Relative error of signal frequency F hf (high-frequency) is calculated by the formula: rel = ± [(F hf agr F hf m ) / F hf agr ] 100, % Remeasure under conditions of installing frequency = 90 МHz.; 210 МHz. on the generator Г Measurement results are satisfactory if relative error of measured signal frequency (highfrequency) does not exceed ± % Relative error estimation of signal frequency deviation measuring (high-frequency) is calculated by the scheme on figure install following parameters on the generator Г4-164 according to its in-line documentation: - voltage level = 1V; - frequency F вч = 150 МHz.; - frequency modulation inside; - deviation = 1 кhz install Transmission/ Deviation mode on the tester Take the tester reading Relative error of signal frequency deviation (high-frequency) is defined by the formula:

11 rel = ± [(D agr D м ) / D agr ] 100, % Remeasure under conditions of setting frequency = 90 МHz.; 210 МHz. on the generator Г Remeasure under conditions of setting deviation = 5,0 кhz; 20 кhz on the generator Г Measurement results are satisfactory if relative error of measured signal frequency deviation (high-frequency) does not exceed the value defined by the formula: rel = ± [5 + 5 (D f / D м )], %, where D f = 20 кhz upper value of frequency deviation setting range; D м frequency deviation measured value, кhz Relative error estimation of output signal power measuring (high-frequency) is calculated by the scheme on figure5. Tester РСТ-430 "RFI" "BS" "Output" УМ М3-56 "Input" "Output" Г4-164 БПС15-2 Figure Rig up install signal level satisfying УМ amplifier input power on the generator Г4-164:: - frequency F hf = 150 МHz.; - power = 20 W Connect a wattmeter М3-56 to a power amplifier УМ in accordance with its inline documentation and measure power amplifier output parameters Connect a tester instead of a wattmeter М Take the tester reading Relative error of power measuring is defined by the formula: rel = ± [(Р agr Р м ) / Р agr ] 100, % Remeasure under conditions of setting power = 0,2 W; 10 W Remeasure under conditions of setting frequency = 90 МHz.; 210 МHz.. Measurement results are satisfactory if relative error of power measuring does not exceed rhe value defined by the formula: rel = ± [5 + 0,1 (Р f / Р м )], %, where Р f = 20 W upper value of output signal power measuring range (hogh-frequency); Р м agreed value of output signal power (high-frequency), W Absolute error estimation of signal frequency (low-frequency) is calculated by the scheme on the figure 6. 11

12 Tester РСТ-430 AFIN "BS" "Output" Verification cable Г3-112/1 "Input" FCS15-2 Ч3-54 Figure Rig up. Set following parameters on the generator Г3-112/1 in accordance with its in-line documentations: - output power = U lf 1 V; - frequency F lf = 1 кhz Check generator parameter setting by cymometer Ч3-54 in accordance with its in-line documentations install Frequency, Vetka mode on the tester Take the tester reading Absolute error estimation of signal frequency F lf (low-frequency) is defined by the formula: Δ аbs = F lf agr F lf м, кhz, where F lf agr agreed frequency value, кhz; F lf м measured frequency value, кhz Remeasure under conditions of installing frequency = 10 кhz; 100 кhz on the generator Г3-112/1. Measurement results are satisfactory if absolute error of signal frequency measuring (lowfrequency)does not exceed the value defined by the formula: Δ аbs = ± 1 Hz, where F lf м measured signal frequency value (low-frequency), кhz Relative error estimation of alternating voltage measuring is calculated by the scheme on figure 7. Tester РСТ-430 "AF IN" "BS" Figure 7 БПС15-2 "Output" "Input" Г3-112/1 В Rig up install Receiver/ Voltage mode on the tester install following parameters on the generator Г3-112/1 - frequency F lf = 20 Hz; - problem voltage = U lf 0,2 V Check generator parameters by voltmeter В7-34 under its in-line documentations Take the tester reading Relative error estimation of alternating voltage U lf measuring is defined by the formula: rel = ± [(U lf agr U lf м )/ U lf agr ] 100, % where U lf agr agreed generator alternating voltage value, V;

13 U lf м measured tester alternating voltage value, V Remeasure under conditions of setting frequency = 1,0 кhz; 20 кhz on the generator Remeasure under conditions of setting problem voltage = 1,0 V; 15 V on the generator. Measurement results are satisfactory if relative error estimation of input voltage (low-frequency) does not exceed the value defined by the formula: rel = ± [3 + 3 (U f / U m )], %, where U f = 20 V upper value of alternating voltage measuring range; U м measured alternating voltage value, V Relative estimation of alternating voltage distortion factor is calculated by the scheme on figure 8. Tester РСТ-430 "БС" "AF IN" Verification cabel БПС15-2 Figure Rig up install Receiver mode on the install following parameters on the generator Г3-112/1 (Г1): - frequency F lf = 1 кhz; - problem voltage = U lf 1 V Try to get meter С6-12 distortion factor = 5 % changing voltage on the generator Г3-112/1 (Г2)output Take the tester reading Relative error estimation of distortion factor is defined by the formula: rel = ± [(DF agr DF м ) / DF agr ] 100, % where DF agr agreed meter С6-12 distortion factor value, %; DF м measured tester distortion factor, % Remeasure under conditions of installing distortion factor = 20 %; 50 % on the meter С Remeasure under conditions of installing frequency = 3 кhz on the generator Г3-112/1 (Г1). Measurement results are satisfactory if relative error estimation of distortion factor in the range from1 to 50 % does not exceed the value defined by the formula: rel = ± [5 + 0,1 (DF f / DF м )], %, where DF f = 50 % upper value of distortion factor measuring range, %; DF м measured distortion factor value, %. "Input" "Output" "Output" С6-12 Г3-112/1 Г1 Г3-112/1 Г2 13

14 Note error of distortion factor measuring in the range from over 50 to 100 % does not normalize Relative error estimation of direct voltage is calculated as: Connect a tester ("AF IN" connector) to voltmeter В1-12 ("Output" connector) using interface cable install voltage = 0,1В on the voltmeter В1-13 in accordance with its in-line documentations. На вольтметре В1-13 установить напряжение, равное 0,1В в соответствии с эксплуатационной документацией на него install Receiver mode on the tester Take the tester reading Relative error estimation of direst voltage is defined by the formula: δ отн = ± [(U agr U м ) / U agr ] 100, % where U agr agreed voltmeter direst voltage value, V; U м measured tester direct voltage value, V Remeasure under conditions of installing direct voltage = 0,3 V; 3 В; 20 V on the voltmeter. Measurement results are satisfied if direct voltage does not exceed the value defined by the formula: rel = ± [2 + 0,05 (U f / U м )], %, where U f = 30 V upper value of direct voltage measuring range, U изм measured direct voltage value, V. 7 CHECK RESULT PRESENTATION 7.1 Check results of testers should be adjusted/as protocol. Appendix B is obligatory. в должны быть оформлены в виде протокола по форме обязательного приложения Б. 7.2 Check certificate is given out if check results are satisfactory. 7.3 It is forbidden to issue and use testers if they do not pass primary check. In this case trouble report is given out. 7.4 Testers are immobilized and repaired if they do not pass periodical check.. 14

15 APPENDIX А (help) Tester РСТ-430 metrological performance Name of characteristic, unit Parameter Error limits 1 output signal frequency δ rel = ± % for the range forming Range (high-frequency), mhz 2 problem voltage setting Range (high-frequency), db.( 0 db = 1 From - 60 to Δ аbs = ± [3 + (U hf agr / 40)], db. мw ) 3 signal frequency deviation Range (high-frequency), кhz. 0,2 20 δ rel = ± [5 + 5 (D f / D agr )], %, where D f = 20 кhz range upper value of deviation frequency setting; D agr agreed value of deviation frequency, кhz. 4 output-signal frequency deviation Range (low-frequency), 0,02 20 ± 1 Hz кhz. 5 problem voltage setting Range Δ абс = ± (0,02 + 0,05 U lf agr ), V, (low-frequency), V. 0,02 2 where U lf agr problem voltage agreed value, V. 6 Problem voltage distortion factor (low-frequency), %. No more than 1 7 signal frequency measuring Range (high-frequency), mhz δ rel = ±3 10-4, %. 8 signal frequency deviation measuring Range (high-frequency), 0,2 20 δ rel =± [5 + 5 (D к / D agr )], %, where D f = 20 кhz range upper кhz. value of deviation frequency setting; D agr agreed value of deviation frequency, кhz. 15

16 9 output signal power measuring 0,2 20 δ rel = ± [5 + 0,1 (Р f / Р м )], %, Range (high-frequency), W. where Р f = 20 W range upper value of output signal power measuring (high-frequency); Р м agreed value of output signal power measuring (highfrequency, W. 10 signal frequency measuring ± 1 Hz. Range (low-frequency), Hz sinusoidal alternating voltage δ rel = ± [3 + 2 (U к / U изм )], %, measuring Range in the frequency 0,02 15 where U f = 20 V range upper range from 0,02 to 20 кhz, V. value of alternating voltage measuring; U м agreed value of alternating voltage, V. 16

17 ENCLOUSURE А Name of characteristic, unit Parameter Error limits 12 distortion factor alternating In the range from 1 to 50 %: voltage measuring Range, % δ rel = ± [5 + 0,1 (DF f / DF м )], %, where DF f = 50 % range upper value of distortion factor measuring, %; DF м DF measured value, %. In the range from 50 to 100 % DF does not normalize. 13 direct voltage measuring δ rel = ± [2 + 2 (U f / U м )], %, Range, V. 0,02 20 where U f = 30 V range upper value of direct voltage measuring; U м direct voltage measured value, V. 17

18 EMCLOUSURE B (obligatory) РСТ-430 TEST LOG (works number) checked by (company name) confidant (company name) г Check conditions Ambient temperature, С Atmospheric moisture capacity, % Atmospheric pressure, кпа (мм.рт.ст.) Supply voltage, В Check facilities 1External examination Conclusion: 2 Testing Conclusion: 3 Measuring of tester parameters, errors Table А.1 Item number Measurable parameter Error limits Conclusion: Conclusion: (certification, number or cause of unfitness) State supervision laboratory chief (signature) (surname) State operator (signature) (surname) M.P. Date 18

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