HP 8559A manuals
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444 pages 53.18 Mb
WARRANTY 2 HPLIMITATION 0F WARRANTY EXCLUSIVE REMEDIES 3 HEWLETTPACKARD OPERATION AND SERVICE MANUALCONTENTS 4 GENERAL INFORMATIONIntroduction Description Manual Organization Safety Considerations Serial Numbers Accessories Supplied Not Supplied Display Mainframe Input Limiter Connections) Oscilloscope Camera Service Accessories VERIFICATION 2-1.Introduction 2-6.Installation 2-9.Side Stop Kits 2-14.Graticule Overlays 2-19.Modifications 2-22.Environment 2-24.Packaging III OPERATION 3-1Introduction 3-4Description 3-9HP.IB 3-21Signal Input Display Mainframe IV PERFORMANCE TESTS 4-1.Introduction 4-3.Instruments Tested 4-7.Test Record 4-9.Calibration Cycle 4-12.Tuning Accuracy 4-13.Residual FM 4-14.Noise Sidebands 4-20.GainCompression Variation) 4-26.Display Fidelity ADJUSTMENTS 5-1. Introduction 5-6.Adjustment Tools Linear Adjustments 5 VIII SERVICEREPLACEABLE PARTS Test Equipment General Information Troubleshooting Hints 9 SECTIONGENERAL INFORMATION10 1-11.SAFETY CONSIDERATIONS1-13.INSTRUMENTS COVERED BY MANUAL 1-14. Serial Numbers SERIAL NUMBER 1-16.Manual Updating Supplement 1-19. Manual Backdating Changes 1-22.ACCESSORIES SUPPLIED SPECIFICATIONS FREQUENCY SPECIFICATIONS FREQUENCY RANGE FREQUENCY SPANS Frequency Readout Resolution Frequency Span Accuracy SPECTRAL RESOLUTION AND STABILITY ResolutionBandwidths ResolutionBandwidth Accuracy: Selectivity: Stability Residual FM: Full Span(F) Per Division(MHz/Div, kHz/Div) Zero Span (0) FREQUENCYACCURACY Tuning Accuracy 11 frequency)Noise Sidebands: Video Filter AMPLITUDESPECIFICATIONS AMPLITUDE RANGE frame with 12 Maximum lnput (without damage) Levels Total Power:DC: AC (<I00 Hz): 7.1 Vrms Peak Pulse Power: Gain Compression Average N o i ~Level Calibrated Display Range Log (from ReferenceLevel): Linear: AMPLITUDEACCURACY Calibrator Output ReferenceLevel Step Accuracy (with 0 dB input attenuationk Frequency Response lnput Attenuator Step Accuracy: Maximum Cumulative Step Error: Bandwidth Switching(Amplitude Variation) 13 Display FidelityLog Incremental Accuracy: Log Maximum CumulativeError: Linear Accuracy: RESIDUAL RESPONSES SWEEP SPECIFICATIONS SWEEP TIME Automatic(AUTO): Calibrated Sweep Times (sec/Div, mSec/Div, rSeclDiv): GENERAL SPECIFICATIONS TEMPERATURERANGE HUMIDITY RANGE EM1 POWER REQUIREMENTS HP Model 853A Display with HP Model 8559A Spectrum Analyzer: HP Model 182T/180TR Display with HP Model 8559A Spectrum Analyzer: HP Model 181T/181TR Display with HP Model WEIGHT HP Model 8559A Spectrum Analyzer: Net: 5.5 kg (12.1 lbs) HP Model 853A Display: HP Model 853A Option 001 Display: HP Model 182T Display: HP Model 181T Display: HP Model 181TR Display: HP Model 180TR Display: 15 SUPPLEMENTAL CHARACTERISTICSFREQUENCY CHARACTERISTICS AMPLITUDE CHARACTERISTICS FREQUENCY ACCURACY AMPLITUDE RANGE AND ACCURACY Frequency Cal Dynamic Range Alternate IF SPECTRAL RESOLUTION AND STABILITY Frequency Drift (Fundamentalmixing- n = 1 - or 1+) ResolutionBandwidth Shape Spectral Resolution Frequency Response and Average Noise Level Amplitude Scale Switching 16 Third Order IntermodulationDistortionRelative Disortion Signal Identifier SWEEP CHARACTERISTICS MANUAL SWEEP SWEEP TRIGGER Free Run Line Video Single FRONT PANEL INPUT AND OUTPUT CHARACTERISTICS <2.0 LO Emission(3.0 - 6.1 GHz) REAR PANEL OUTPUT CHARACTERISTICS VERTICAL, PENLIFTIBLANKING, AND HORIZONTAL OUTPUTS(AUX A, B, D) AUX A VERTICAL OUTPUT AUX B PENLIFT/BLANKING OUTPUT 17 SUPPLEMENTALCHARACTERISTICSAUX C 21.4 MHz IF OUTPUT ATTEN (i.e dBm AUX D HORIZONTAL OUTPUT SK-ohm 18 1-26.EQUIPMENT REQUIRED BUT NOT SUPPLIED 1-27.Display Mainframe 1.30.Extender Cable Assembly 1-32.EQUIPMENT AND ACCESSORIES AVAILABLE 1-33.Input Limiter response flatness is degraded by less than &0.5 dB &0.5 1.35.Low Pass Filter 1-37.Modification Kit (Option 807 Connec- tions) 1-39.Oscilloscope Camera 19 1-41.SERVICE ACCESSORIES1-43.RECOMMENDEDTEST EQUIPMENT 21 ItemDescriptionHP Part Number 22 RecommendedCritical Specifications Model 23 Use25 Instrument 27 INSTALLATION AND OPERATION VERIFICATION28 2-12.To install side stops:Use flathead machine screws to install side stops as shown in Figure Reinstall side covers on mainframe Place label on front panel of spectrum analyzer (upper 2-13.To remove side stops: 2.Remove side stops. See Figure 3.Reinstall side covers on display mainframe 29 2-15.To install a graticule overlay:4.Slide bezel back into place to retain overlay and filter2-17.Operating Environment Temperature 40°C Temperature .................... 0 to 55°C 0 to 55°C2-19.Modifications Pin on P Signal or Voltage 24) 19) +I00 - VERT (bottom contact2-21.STORAGE AND SHIPMENT 2-22. Environment 30 Temperature: - 40°C to +75°CAltitude: <7620 meters (25,000 feet)2-24.Packaging Original Packaging Seal the shipping container securely Mark the shipping container FRAGILE to assure careful handling2-27.OPERATION VERIFICATION Paragraph 4-11,Frequency Span Accuracy Paragraph 4-17,Average Noise Level Paragraph 4-21,Bandwidth Switching (Arnpli- tude Variation) Paragraph 4-22,Input Attenuator Accuracy Paragraph 4-25,Calibrator Accuracy Paragraph 4-26,Display Fidelity 33 SECTION IllOPERATION34 3-18.Amplitude. The amplitude group consists of:REFERENCE LEVEL dBm INPUT ATTEN REF LEVEL FINE REF LEVEL CAL 10 dB/DIV - 1 dB/DIV - LIN (Amplitude Scale)3-20.OPERATING PRECAUTIONS 3-21.Signal lnput Maximum lnput (Damage) Levels HP 8559A Total Power: +20 dBm (0.1W, 2.2 Vrms) with 0 dB input attenuation +30 dBm (1W, 7.1 Vrms) with 110 dB input attenuation k7.1V 50 dBm (100W, >lOpsec pulse width, 0.01% duty cycle) with 30 dB input attenuation3-23.Line Power On NEVER 3-27. FRONT-PANELADJUSTMENT PROCE DURE 35 With an adjustment tool, adjust the FOCUScontrol as necessary to make the characters on the CRT as clear as possible3-30.Display Adjustments - HP 180-Series Display Mainframe 3.Adjust FOCUS and ASTIG controls for the smallest round dot possible3-29.Display Adjustments- HP 853A Spectrum Analyzer Display CRT 5.Adjust TRACE ALIGN so that the CRT trace is parallel to the horizontal graticule line3-31.Frequency and Amplitude Adjustments 36 Adjust VERTICAL POSN to align the CRT trace with the bottom graticule line250 MHz CAL OUTPUT 38 PERFORMANCE TESTS104 ADJUSTMENTS136 !EE152 @.@a@Frequency Counter Function Generator Test Cable, BNC (m) to SMB (f) Adapter, BNC (f) to Alligator Clips Adapter, SMB (m) to SMB (m) Adapter, SMB (f) to SMB (f) (m) Oscilloscope5-26.SECOND CONVERTER ADJUSTMENTS(Cont'd) Second LO PreliminaryAdjustment 153 853A5-26. SECOND CONVERTER ADJUSTMENTS(Cont'd) 154 Depress front-panelALT IF pushbutton. Turn SIG IDENT offNote Second LO frequency on frequency counter RESBW RESBW Band1 (.01-3) 155 MHz5-27.THIRD CONVERTER ADJUSTMENTS 157 Sweep Oscillator20 dB Attenuator 10dBAttenuator Extender Cable Assembly5-27.THIRD CONVERTER ADJUSTMENTS(Cont'd) 158 3.Adjust AlOL12 LO ADJ for frequency counter indication of 300.00 MHz +0.1 MHzSecond IF BandpassFilter Alignment 4.Disconnect blue cable AlOWl at second converter output connector A5J2 8.Connect test cable or soldered cable to 8569B spectrum analyzer input 9.Set 8569B spectrum analyzer controls as follows: 21.4 MHz RESBW 300kHz 1 MHz/DIV REF LEVEL dBm REF LEVEL dBm 10dBLOG 1 mSEC/DIV 10.Set H P 8559A RES BW to 1 kHz and TRIGGER to FREE RUN5-28.FREQUENCY RESPONSE ADJUSTMENTS 160 A3, A4, AS, A6, and A12 SchematicsL-----------4 517) 162 Sweep OscillatorRF Plug-In(.01- 2.4 GHz) RF Plug-In(2 - 22 GHz) Synchronizer Power Sensor (.Ol - 18 GHz) Power Sensor (.05 - 26.5 GHz) Crystal Detector (-01- 26.5 GHz) 20 dB Attenuator Tuning Voltage Circuit Cable,SMA(m)toSMA(m) Cable, BNC (m) to SMC (f) Adapter, Type N (f) to Type N (f) Powersplitter SWEEP MODE MARKERS All rear panel switches RFOFF/ON ALC POWER LEVEL FM/NORM/PL (rear-panel) POLARITY SENSITIVITY 163 ALTIF164 REF165 Adjust Tuning Voltage Circuit GAIN and OFFSET controls toAdjust RF 28.Change spectrum analyzer AmplitudeScale to 1 dB/DI 32.Change synchronizer POLARITY to + 34.Adjust sweep oscillator for swept output from 6 to 9 GHz 36.Change spectrum analyzer Amplitude Scale to 1 dB/DIY 38.Total deviation of CRT trace from 6 to 9 GHz should not exceed 2.0 dB 168 57.Change spectrum analyzer Amplitude Scale to 1 dB/DIVAdjust A12R71 59.Total deviation of trace from 6 to 15 GHz should not exceed 4.2 dB 169 FrequencyCounterPower Sensor 170 TIME/DIVTRIGGER 172 Adapter, BNC (f) to Alligator Clips174 REPLACEABLE PARTS183 MANUAL BACKDATING CHANGESPage 1-3: Table 1-1. HP 85596 Specifications (1 of 4) 184 i s189 5-17.POWER SUPPLY CHECKS AND ADJUSTMENTS(SERIALPREFIX 2236A)(Cont'd)Connect digital voltmeter to A9TP6 8.Connect digital voltmeter to A8TP2 VO. Set H P 8559A controls as follows: 5msec SINGLE190 Pages 5-17 through 5-23:Pages through Paragraph 5-19, Log Amplifier and Linear Adjustments 2208A 2208A) 5.19.LOG AMPLIFIER LOG AND LINEAR ADJUSTMENT (SERIAL PREFIX 2208A) 191 REFERENCE:A14 and A15 Schematics DESCRIPTION: EQUIPMENT: HP 8640B HP 3490A Step Attenuator(10 dB/step) PROCEDURE: 1. Set spectrum analyzer controls as follows: FREQUENCY BAND GHz FREQ SPM/DIV 1MHz RESOLUTIONBW 300 kHz I N P U T A r n N 10dB LIN AUTO SWEEP TRIGGER 192 377my)5-19.LOG AMPLIFIER LOG AND LINEAR ADJUSTMENT(SERIAL PREFIX 22O8A) (Cont'd) 193 Set the step attenuator to the positions shown in Tableeach 15.Readjust A14R2if necessary to meet the limits in Table LIN Select A14R16* to obtain an output in step 17 within 196 Adapter, Type N Male to BNC FemaleBNC Cable, 6-Inch Crystal Short (3 required) 197 TUNINGFREQSPAN/DIV SWEEPTIME/DIV 199 CTR5-21.BANDWIDTHFILTER ADJUSTMENTS(SERIAL PREFIX 1909A)(Cont'd) kHz 200 maximumScale 204 dB5-22.3 dB BANDWIDTH ADJUSTMENTS(SERIAL PREFIX 1909A)(Cont'd) 205 between206 peak210 REF LEVEL dBm211 1 MHzPage 6-8: 6-8: Figure 6-1, Mechanical Chassis Parts 6-1 213 itemGUIDE 214 MeterHeter 221 BLOCKYTO l i s tFigure 8-21. 2nd Converter, Component Locations 2nd Prior to 22366 serial prefix, the YIG-TunedOscillator Assembly A6 was mounted to the side gusset Figure 8-22. YIC-Tuned Oscillator Assembly A6 and Shielded Caponeats Figure 8-25. RF Section, Schematic Diagram 222 A6 YIG-TUNED.OSClLLATOR (FIRST LO:Pages 8-67through 8-81/8-82:FBEQOEWCY COIlTROL ASSEHBLY A7 Table 8-4.Frequency Control Assembly A7, Replaceable Parts 223 WIREFigure 8-28.Frequency Control Asserbly A7, Component Locations (-1 C8Figure 8-29. Frequency Control Assembly 67 Schematic Diagram (1 o f new R33 t o 233 88A8R A8 RFigure 8-32, Harker As-bly A8, Component Locations A8Figure 8-33. Marker Assembly A8, Schematic Diagram (1 of 2) A8 234 (I)R88Figure 8-33. Marker Assembly AS, Schematic Diagram (2 of 2) AS ( E l ( D l235 MARKER236 10+ 5 V POWER SUPPLYSUPPLY Pages 8-97 through 8-115/8-116:WEEP GEIlERATOR/BIWI[IYIDM C O m O L ASSEHBLY A9 C O m O L ASSEHBLY Table 8-6. Sweep Generator/Bandwidth Control Assembly A9, Replaceable Parts 237 CERPOLYE N-CHAN 248 listtimeFigure 8-13.Third Converter Assembly A10, Component Locations 8 A 253 D e l e t e259 HP PartPart260 I Reference HP PartDesignation Number Description- Mfr Part Number 261 A14LOG AMPLIFIER 264 Pages 8-191 and 8-199/8-200:MOTHERBOARD ASSEMBLY A16 Table 8-1 4. Motherboard Assembly A1 6, Replaceable Parts A1 6 Figure 8-76. Motherboard Assembly A16, Camponent Locations A16 Figure 8-77. Motherboard Assembly A16, Interconnect Diagrar 265 A16MOTHERBOARD 267 SECTION VlllSERVICE268 8-12. Printed Circuit Board Edge Connector Contact CleaningMATERIALS: Lint-freecloth or equivalent (HP Part Number 9310-0039,Check Digit 3) Solution of 80% electronics-gradeisopropyl alcohol and 20% water Static-freework station 270 (946)274 REFERENCE LEVEL FINEBL CLIP ALT IF 276 IFtheThird Converter Harmonic Mixing F,, - NFL, = F,, (for plus modes) NF,, - FI N= F,, (for minus modes) where N is the harmonic number of the mode 282 15V supply to+6.2V to the analog IC, U2 292 (1)22.Removal of Rotor Assemblies: Remove Frequency Span Rotor (14) with associated parts (9 23.Disassembly of Lock:CLEANING AND INSPECTION OF FRONT SWITCH ASSEMBLY All switch contacts must be totally clean and A special Instrument Grease (HP Part NumberASSEMBLY OF FRONT SWITCH ASSEMBLY 293 1 . Assembly of Lock:Lightly grease Locking Shaft Insert Lock Spring 2.Installation of Rotor Assemblies: Lightly grease all switch rotor detent holes on back of Front Switch Diecast Place Front Switch Assembly on flat working surface with front panel Inspect SWEEP TRIGGER rotor assembly(10 12, 24- 27) (26) (25) (12) (24).Check that Spring (11) and Ball Bearing (10) are in position Lightly grease long side of SWEEP TRIGGER Shaft Inspect SWEEP TIME/DIV rotor assembly Lightly grease long side of SWEEP TIME/DIV Shaft12, 14- 17) (15) (9) (14) (16) (17) (1 I) (lo) (9) (9- 12 17) (1) Roll 294 Inspect Attenuator Drive Rotor (8). Roll Pins(12) Clean contact fingers on all rotors using 3.Installation of Front Switch Board Assembly A2Al:Do not overtighten screws and studs into Front Switch Diecast(1) 295 Tighten Stud (53) and4.Assembly of RESOLUTION BW switch: i.Install Retainer Clip (21) on Bandwidth Shaft (55) 296 (54)297 Inspect Ref Level Fine Assembly (30, 31o.Use a new tiewrap to attach Ref Level Fine connecting wires to Standoff (62) 6.Installation of RF Input Attenuator A3: 7.Installation of Front Panel: Remove the front panel knobs 313 INPUT A'ITEN314 Verify that the Second Converter Assembly A5 supply voltages are correct321 HOUSING322 A5A2SECOND CONVERTER FILTER ASSEMBLY 324 A ~ ~ R S T331 wire from the COARSE TUNE control (A2R1), and attach the battery's negative337 > tsv353 +14V,reverse biasing reset-diodeCR2 (block I)357 Single Sweep Triggering and AbortManual Sweep 358 (A2R4)Current Source (F) Xtal Resolution Bandwidth Control (B) LC Resolution BandwidthControl (A) 359 parallelVideo Filter Sweep Attenuator (0) 360 (<1373 300 MHz Oscillatoroff F~equency: Most common failures are C16, C17, and C1835 MHz Oscillator off Frequency: Most common failures are C45 and L21 386 MHzUnity Gain Buffer Amplifier (E) mA) 21.4 MHz 416 Gain (dB) = 20LOG(1 + R52/RT)418 1Log Mode Temperature-ControlledVariable-GainAmplifier(J) Detector (K) Buffer Amplifier (L) 419 Gain = 1 + RllO/R1161 + 619/619Log Offset (M) IFG5 TemperatureCompensationPower Supply (I) +11V Regulated Power Supply (N) LOG AMPLIFIER ASSEMBLY A14, TROUBLESHOOTING Check supply voltages Dead Stage: Use an oscilloscope along the signal path to locate a dead stage all 439 ""pT
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