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Operation

7

The health of the feedline and antenna systems can be monitored using VSWR
measurement under full power operating conditions. High VSWR is an indicator
of feed line damage, overtightened cable or feed line clamps, or antenna
changes/damage due to weather conditions, icing, or structural damage to the
tower.

Video Filter

Figure

2

Video Filter Settings, 300 kHz Signal

Except for average power and VSWR measurements, all WPS measurements
rely on a variable video filter to improve accuracy. This filter can be set to either
4.5

kHz, 400 kHz, or full bandwidth. It should be as narrow as possible while still

being larger than the demodulated signal bandwidth (video bandwidth).
Narrowing the filter limits the noise contribution caused by interfering signals.
Listed below are some common modulation schemes and the appropriate video
filter.

Video Filter

Modulation Type

4.5 kHz

CW Burst (Burst width > 150 μs), Voice Band

AM, FM, Phase Modulation, Tetra

400 kHz

CW Burst (b.w. > 3 μs), GSM, 50 kHz AM,
DQPSK

Full Bandwidth CW Burst (b.w. > 200 ns), CDMA, WCDMA,

DQPSK, DAB/DVB-T

Peak Envelope Power

Peak power measurements detect amplitude changes as a signal modulates the
carrier envelope. The WPS operates in an asynchronous cycle: 300

ms of

waveform sampling followed by a 50 ms reset period. The peak power is then
displayed and the cycle repeats. The display therefore updates about three
times per second.

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Содержание 5012D

Страница 1: ...Wideband Power Sensor Models 5012D 5016D 5017D 5018D and 5019D Operation Manual Copyright 2018 by Bird Electronic Corporation Instruction Book Part Number 920 5012S Rev L...

Страница 2: ...s remove power WARNING Shock Hazard Do not attempt to remove the RF transmission line while RF power is present WARNING Do Not Service Or Adjust Alone Under no circumstances should any person reach in...

Страница 3: ...tal information Warning Statements The following safety warnings appear in the text where there is danger to operating and maintenance personnel and are repeated here for emphasis WARNING Never attemp...

Страница 4: ...SEGURIDAD DEL INSTRUMENTO BENUTZUNG WIRD DAS GER T AUF ANDERE WEISE VERWENDET ALS VOM HERSTELLER BESCHRIEBEN KANN DIE GER TESICHERHEIT BEEINTR CHTIGT WERDEN UTILISATION TOUTE UTILISATION DE CET INSTR...

Страница 5: ...S GER TES GELTEN NUR F R GESCHULTES FACHPERSONAL ZUR VERMEIDUNG GEF HRLICHE ELEKTRISCHE SCHOCKS SIND WARTUNGSARBEITEN AUSSCHLIE LICH VON QUALIFIZIERTEM SERVICEPERSONAL DURCHZUF HREN ENTRENTIEN L EMPLO...

Страница 6: ...ur Solon Ohio factory This manual may be periodically updated When inquiring about updates to this manual refer to the part number and revision on the title page Literature Contents Chapter Layout Int...

Страница 7: ...Bird RF Meter Android App 3 Chapter 3 Operation 4 Zeroing Sensor 4 5000 EX 4 5000 XT 5 Function Descriptions 6 Average Power 6 VSWR 6 Video Filter 7 Peak Envelope Power 7 Burst Average Power 8 Crest...

Страница 8: ...erage Power 24 Crest Factor 25 Complementary Cumulative Distribution Function CCDF 25 Physical and Environmental Specifications 25 5018D Specifications 27 Sensor Characteristics 27 Average Power 27 Ma...

Страница 9: ...Cumulative Distribution Function CCDF They can be used with the Bird 5000 EX and 5000 XT Digital Power Meters DPM Site Analyzer SignalHawk Bird Virtual Power Meter VPM Software and the Bird RF Meter A...

Страница 10: ...s being applied Leaking RF energy is a potential health hazard Digital Power Meter DPM To connect the WPS to the Digital Power Meter use the serial cable provided Connect the male end of the cable to...

Страница 11: ...e computer and the male end to the WPS The WPS must be powered up before connecting to the PC FOR USE WITH ALL VERSIONS OF VPM SOFTWARE To connect using the USB port connect the USB cable to the compu...

Страница 12: ...rating temperature 2 Ensure no RF power is applied to the sensor 3 Press Zero to begin Calibration Note Calibration will take about 40 seconds Do not interrupt the calibration A bar on the screen will...

Страница 13: ...G Do not interrupt the calibration Note Zero Cal will be displayed and calibration will begin Note Zeroing the sensor takes 60 seconds The bar graph will dis play calibration progress Note When comple...

Страница 14: ...he detector output is directly proportional to the average power without any additional error correction Average power is the most important measurement of any transmission system since the average po...

Страница 15: ...ossible while still being larger than the demodulated signal bandwidth video bandwidth Narrowing the filter limits the noise contribution caused by interfering signals Listed below are some common mod...

Страница 16: ...n To calculate the duty cycle simply divide the burst width by the period D BW P Low duty cycles mean that the burst width is much less than the period a large amount of dead time surrounds each burst...

Страница 17: ...ill not be able to handle the peak powers and amplitude distortion will occur Crest factor can also detect overdrive and overshoot problems Knowing the CF allows end users to more accurately set base...

Страница 18: ...lation techniques used within these systems vary from relatively benign forms of frequency shift keying to more complex quadrature formats such as Quadrature Phase Shift Keying QPSK When measuring the...

Страница 19: ...ed for any reason request an Return Material Authorization RMA through the Bird Technologies website All instruments returned must be shipped prepaid and to the attention of the RMA number Bird Servic...

Страница 20: ...0 05 dB 0 1 dB Input VSWR Max 0 35 2 5 GHz 2 5 4 GHz 1 05 1 10 Directivity Min 0 35 3 GHz 3 4 GHz 30 dB 28 dB RF Connectors N Female Interface DPM PC Serial Port PC USB Port Male DB 9 EIA 232 9600 Bau...

Страница 21: ...r below 15 C add 3 Match Measurement Measurement Range Return Loss Rho VSWR 0 to 23 dB 0 07 to 0 999 1 15 to 99 9 Forward Power Min 5 W Measurement Uncert See Figure 7 on page 13 Figure 7 5012D Match...

Страница 22: ...add 1 5 0 15 W 10 of reading 0 4 W 2 15 of reading 0 4 W 2 20 of reading 0 4 W 2 Minimum Pulse Width 400 ns Figure 8 5012D Max Peak Power 100 1000 10000 0 1 1 10 Frequency GHz Power Watts VSWR 1 VSWR...

Страница 23: ...racy As peak power uncert 2 Physical and Environmental Specifications Temp Operating 10 to 50 C 14 to 122 F Temp Storage 40 to 80 C 40 to 176 F Mechanical Shock and Vibration MIL PRF 28800F class 3 Hu...

Страница 24: ...Wideband Power Sensors 16 Figure 9 5012D WPS...

Страница 25: ...0 35 3 GHz 3 4 GHz 30 dB 28 dB RF Connectors N Female Interface DPM PC Serial Port PC USB Port Male DB 9 RS 232 9600 Baud no parity 8 data bits 1 stop bit Female DB 9 EIA 232 9600 Baud no parity 8 da...

Страница 26: ...ss Measurement Uncertainty Above 3GHz Above 3GHz Below 3GHz Below 3GHz Peak Envelope Power RF Power Range 1 0 W 60 W1 1 Max power depends on frequency and system VSWR See Figure 11 on page 19 Measurem...

Страница 27: ...CCDF read out dependent on display method 0 02 to 1 D Burst Width Period Measurement Uncert 6 of reading 8 D W 2 2 Above 35 C or below 15 C add 3 Crest Factor RF Power Range 25 mW to 25 W average Meas...

Страница 28: ...800F class 3 Humidity Max 95 non condensing Altitude Max 15 000 ft 4 500 m Dimensions Nominal 4 75 x 4 6 x 1 3 121 x 117 x 33 mm Weight Max 1 2 lb 0 55 kg EMC EMC Directive 2004 108 EC European Standa...

Страница 29: ...Specifications 21 Figure 12 5016D WPS...

Страница 30: ...ertion Loss Max 5017D 25 50 MHz 5017D AV 100 1000 MHz 1000 1300 MHz 0 05 dB 0 05 dB 0 1 dB Input VSWR Max 5017D 25 1000 MHz 5017D AV 100 1300 MHz 1 05 1 05 Directivity Min 5017D 25 50 MHz 51 1000 MHz...

Страница 31: ...log scale Peak Average Ratio Max 12 dB Measurement Uncert 4 of reading 166 mW 2 2 Above 35 C or below 15 C add 3 Match Measurement Measurement Range Return Loss Rho VSWR 0 to 23 dB 0 07 to 1 0 1 15 t...

Страница 32: ...od 0 1s add 1 5 0 15 W 10 of reading 1 4 W 2 15 of reading 1 4 W 2 20 of reading 1 4 W 2 Minimum Pulse Width 400 ns Figure 14 Max Peak Power 100 1000 10000 0 1 1 10 Frequency GHz Power Watts VSWR 1 VS...

Страница 33: ...ccuracy As peak power uncert 2 Physical and Environmental Specifications Temp Operating 10 to 50 C 14 to 122 F Temp Storage 40 to 80 C 40 to 176 F Mechanical Shock and Vibration MIL PRF 28800F class 3...

Страница 34: ...Wideband Power Sensors 26 Figure 15 5017D WPS...

Страница 35: ...n 150 3000 MHz 3000 4000 MHz 30 dB 28 dB RF Connectors N Female Interface DPM PC Serial Port PC USB Port Male DB 9 RS 232 9600 Baud no parity 8 data bits 1 stop bit Female DB 9 EIA 232 9600 Baud no pa...

Страница 36: ...Loss Measurement Uncertainty Above 3GHz Above 3GHz Below 3GHz Below 3GHz Peak Envelope Power RF Power Range 4 60 W1 1 Max power depends on frequency and system VSWR See Figure 17 on page 29 Measuremen...

Страница 37: ...dependent on display method 0 02 to 1 D Burst Width Period Measurement Uncert 6 of reading 0 008 D W 2 2 Above 35 C or below 15 C add 3 Crest Factor RF Power Range 25 mW to 25 W Measurement Uncert Li...

Страница 38: ...800F class 3 Humidity Max 95 non condensing Altitude Max 15 000 ft 4 500 m Dimensions Nominal 4 75 x 4 6 x 1 3 121 x 117 x 33 mm Weight Max 1 2 lb 0 55 kg EMC EMC Directive 2004 108 EC European Standa...

Страница 39: ...Specifications 31 Figure 18 5018D WPS...

Страница 40: ...100 1000 MHz 28 dB 30 dB RF Connectors N Female Interface DPM PC Serial Port PC USB Port Male DB 9 RS 232 9600 Baud no parity 8 data bits 1 stop bit Female DB 9 EIA 232 9600 Baud no parity 8 data bit...

Страница 41: ...10 5 0 Uncertainty dB Return Loss Peak Envelope Power RF Power Range 2 6 260 W1 1 Max power depends on frequency and system VSWR See Figure 20 on page 34 Measurement Uncert burst width 200 s 1 s b w 2...

Страница 42: ...display method 0 02 to 1 D Burst Width Period Measurement Uncert 6 of reading 166 D mW 2 2 Above 35 C or below 15 C add 3 Crest Factor RF Power Range 100 mW to 100 W average 2 6 W minimum peak Measur...

Страница 43: ...class 3 Humidity Max 95 non condensing Altitude Max 15 000 ft 4 500 m Dimensions Nominal 4 75 x 4 6 x 1 3 121 x 117 x 33 mm Weight Max 1 2 lb 0 55 kg EMC EMC Directive 2004 108 EC European Standard E...

Страница 44: ...Wideband Power Sensors 36 Figure 21 5019D WPS...

Страница 45: ...Specifications 37...

Страница 46: ...y such claim for breach of these warranties shall be deemed to be waived by Buyer unless made in writing within ten 10 days from the date of discovery of the defect The above warranties shall not exte...

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