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1-8

Service Guide 85309-90082

Getting Started

LO/IF Distribution Unit

Step 4. (Option 40x Only): Set the 85309B Band Selection

85309B

Step 4. (Option 40x Only): Set the 85309B Band Selection

The Band Selection knob on the front panel of the 85309B Option 400/401/402 models allows the user to 
switch between the low band, high band, and external selections. For more information, refer to 

“85309B 

Front Panel Features” on page 2-3

. 

Summary of Contents for 85309B

Page 1: ...Agilent Technologies Agilent 85309B LO IF Distribution Unit User s and Service Guide Use this manual with the Agilent Antenna Selection Guide part number 5968 6759E...

Page 2: ...furnished under a license and may be used or copied only in accordance with the terms of such license Restricted Rights Legend If software is for use in the performance of a U S Government prime contr...

Page 3: ...s not include measurement uncertainty Nominal values indicate expected performance or describe product performance that is useful in the application of the product but is not covered by the product wa...

Page 4: ...dditional Test Channel Adds one additional test channel Provides a total of two test channels and one reference channel 85309B Option 002 Two Additional Test Channels Adds two additional test channels...

Page 5: ...Service Guide 85309 90082 v Option 1CP Rack Mount Kit With Handles Rack mount kit with handles To obtain this item after receiving the 85309B order part number 5063 9221...

Page 6: ...vi Service Guide 85309 90082...

Page 7: ...static Discharge Protection 3 2 85309B Front Panel Features 3 3 DETECTOR VOLTAGE Display 3 3 LO POWER ADJUST 3 3 LO POWER OUT OF RANGE 3 4 BAND SELECTION Option 40x Only 3 4 85309B Rear Panel Features...

Page 8: ...eclaration of Conformity 1 4 Statement of Compliance 1 5 General Safety Considerations 1 5 Regulatory Information 1 7 Instrument Markings 1 7 4 Service Replaceable Parts 2 2 Introduction 2 2 Ordering...

Page 9: ...Service Guide 85309 90082 1 1 1 Getting Started...

Page 10: ...er Keep the packaging material in case the analyzer needs to be returned to the factory 2 Carefully inspect the 85309B to make sure that it was not damaged during shipment If damaged refer to Contacti...

Page 11: ...source meets the requirements found in General Specifications on page 3 2 2 Ensure the operating environment meets the requirements found in General Specifications on page 3 2 3 Verify that the AC po...

Page 12: ...quired To learn about the various system configurations refer to the Agilent Antenna Test Selection Guide part number 5968 6759E See Printing Copies of Documentation from the Web in the first section...

Page 13: ...rvice Guide 85309 90082 1 5 LO IF Distribution Unit Getting Started 85309B Step 3 Connect the 85309B with Other System Components Configuration Examples Figure 1 1 Simplified Configuration Block Diagr...

Page 14: ...1 6 Service Guide 85309 90082 Getting Started LO IF Distribution Unit Step 3 Connect the 85309B with Other System Components 85309B Figure 1 2 Typical Far Field Configuration...

Page 15: ...Service Guide 85309 90082 1 7 LO IF Distribution Unit Getting Started 85309B Step 3 Connect the 85309B with Other System Components Figure 1 3 Typical PNA X Compact Range Configuration...

Page 16: ...Band Selection 85309B Step 4 Option 40x Only Set the 85309B Band Selection The Band Selection knob on the front panel of the 85309B Option 400 401 402 models allows the user to switch between the low...

Page 17: ...ting Started 85309B Step 5 Power On the 85309B Step 5 Power On the 85309B Power on the 85309B by pressing the front panel On Off switch If the 85309B will not power on make sure the instrument is plug...

Page 18: ...will maintain the desired LO power level regardless of LO frequency Repeat the procedure below only if you change one of the mixer modules or the LO source Find the detector voltage value written on t...

Page 19: ...k The operator s check should be performed when you first receive your 85309B and any time you wish to have confidence that it is working properly The operator s check does not verify performance to s...

Page 20: ...a local Agilent office are available on the Web at http www agilent com find assist If you do not have access to the Internet please contact your Agilent field engineer NOTE In any correspondence or t...

Page 21: ...Service Guide 85309 90082 2 1 2 Operating Information...

Page 22: ...connections always wear a heel strap when working in an area with a conductive floor If you are uncertain about the conductivity of your floor wear a heel strap always ground yourself before you clean...

Page 23: ...oportional to the amount of LO power This display allows you to monitor the amount of LO power going to the reference mixer It is assumed that the cable lengths to the reference and test mixers are th...

Page 24: ...off The LO source is not able to supply the requested amount of power in the measurement frequency range Make sure your LO source is specified to produce enough power in the desired frequency range I...

Page 25: ...iplexed test mixers of the LO IF unit Option 40x only J15 is a separate connector that allows external control of the HIGH LOW BAND SELECT feature Figure 2 4 85309B Rear Panel Features Option 402 Ref...

Page 26: ...3 IF OUT LO Source Connector Group The two connectors in this group J1 LO INPUT and J6 POS Z BLANK are connected to the LO source J1 LO INPUT Receives the local oscillator signal from the LO source Th...

Page 27: ...BAND SELECT option 40x Allows external control of the HIGH LOW BAND SELECT feature when the front panel BAND SELECTION knob is in the EXT position See BAND SELECTION Option 40x Only on page 2 4 TTL h...

Page 28: ...2 8 Service Guide 85309 90082 Operating Information LO IF Distribution Unit 85309B Block Diagrams 85309B 85309B Block Diagrams Block diagrams are located on the following two pages...

Page 29: ...0 67007 A13 A15 A16 Diplexer 5067 4814 A43 A24 A26 A25 Diplexer 5067 4814 A44 A27 A29 A28 Diplexer 5067 4814 A45 J4 W12 W3 J2 W26 W32 W7 W11 W27 W33 W34 W28 W37 W38 W39 REF CHAN LO OUT J3 TEST 1 LO IF...

Page 30: ...A29 4 SW7 A28 Diplexer 5067 4814 A45 A31 85309 80025 A30 85309 80024 J4 W12 W41 W2 W3 W42 W43 W44 ALC W45 W48 W50 W9 J2 W6 W31 W47 W32 W7 W11 W49 W33 W34 W36 W51 W37 W38 W39 REF CHAN LO OUT J3 TEST 1...

Page 31: ...en using standard RF cable assemblies and with MicroCoax UFB311A RF low loss cable assemblies The standard mixers used in Agilent antenna measurement systems are the 85320A test mixer and the 85320B r...

Page 32: ...2 12 Service Guide 85309 90082 Operating Information LO IF Distribution Unit Cable Length Limits 85309B Figure 2 6 Cable Length Configurations 1 of 2...

Page 33: ...Service Guide 85309 90082 2 13 LO IF Distribution Unit Operating Information 85309B Cable Length Limits Figure 2 7 Cable Length configurations 2 of 2...

Page 34: ...r s Check consists of the following tests LO Power Output Test on page 2 15 Reference IF and Test IF on page 2 18 Equipment Required Table 2 2 Equipment Required for the Operator s Check Equipment Typ...

Page 35: ...r sensor 7 To perform the source power calibration select Cal Power Cal Source Cal 8 Make the following selections in the Source Power Calibration menu a Channel 1 Port 1 b Tolerance 0 1 dBm c Maximum...

Page 36: ...dBm 25 For a standard model or Option 00x models only Compare the output power traces from the Reference LO OUT J2 port with the limits across the entire frequency range in Table 2 3 on page 2 17 26...

Page 37: ...IF J13 port with the limits across the entire frequency range in Table 2 3 on page 2 17 40 For Option 402 models only a Place the 85309B front panel Band Selection switch in the HIGH position and com...

Page 38: ...b Power 35 dBm c IF bandwidth 1 kHz d Start frequency 10 MHz e Stop frequency 100 MHz 4 Connect a test cable to PNA Port 1 5 Connect a test cable to PNA Port 2 Table 2 4 85309B Options 40x Output Pow...

Page 39: ...ear panel port Reference IF Out J10 11 Place a marker on the PNA trace In the frequency range of 10 20 MHz the IF Gain trace should be in the range of 21 dB to 25 dB 0 5 dB See Figure 2 8 for a typica...

Page 40: ...dB See Figure 2 9 for a typical Test IF response trace For Option 002 and 402 Models Only Checking the J14 Test 3 IF Out 1 Connect a test cable between the PNA Port 1 and the 85309B rear panel port T...

Page 41: ...Service Guide 85309 90082 3 1 3 General Information...

Page 42: ...ing Temperature Range 0 to 50 C Storage Temperature Range 40 to 70 C Operating Altitude 3000 m 9842 ft EMC Certified to IEC61326 1 2005 EN61326 1 2006 Canada ICES NMB 001 Issue 4 June 2006 Australia N...

Page 43: ...uency Range Low band1 1 Options 40x only 0 1 GHz to 1 0 GHz High band 0 3 GHz to 18 0 GHz Input Power Range LO Input Recommended 0 1 GHz to 1 0 GHz 6 dBm to 10 dBm 0 3 GHz to 3 0 GHz 6 dBm to 10 dBm 2...

Page 44: ...cohol moisture to evaporate and the fumes to dissipate prior to energizing the instrument WARNING Keep isopropyl alcohol away from heat sparks and flame Store in a tightly closed container It is extre...

Page 45: ...t is configured to match the available main power source If this product is to be powered by autotransformer make sure the common terminal is connected to the neutral grounded side of the ac power sup...

Page 46: ...n of the protective conductor inside or outside the product is likely to make the product dangerous Intentional interruption is prohibited WARNING These servicing instructions are for use by qualified...

Page 47: ...s symbol indicates that the power line switch is in the OFF position This symbol is used to identify a terminal which is internally connected to the product frame or chassis The CE mark is a registere...

Page 48: ...ication KC symbol is required for products that are subject to legally compulsory certification The KC symbol includes the marking s identifier code that has up to 26 digits and follows this format KC...

Page 49: ...Service Guide 85309 90082 4 1 4 Service...

Page 50: ...e replaceable parts lists include the part number indicate the quantity required Contact Agilent Technologies for instructions on where to send the order Refer to Contacting Agilent on page 1 12 To or...

Page 51: ...Service Guide 85309 90082 4 3 LO IF Distribution Unit Service 85309B Replaceable Parts This page is intentionally left blank...

Page 52: ...Chan A13 5087 7755 1 RF amplifier 0 3 to 18 GHz Test1 Chan A14 85309 80026 1 IF amplifier 0 5 to 500 MHz Ref Chan A15 85309 80026 1 IF amplifier 0 5 to 500 MHz Test1 Chan A16 5067 4814 1 Diplexer Test...

Page 53: ...Service Guide 85309 90082 4 5 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 1 Major 85309B Assemblies Standard...

Page 54: ...AT4 OUT A13 IN W7 85309 20144 1 A16 OUT RPJ3 W8 85309 60111 1 A16 RPJ8 W10 85309 20138 1 A17 IN RPJ1 W11 85309 60109 1 A15 OUT RPJ9 W12 85309 60109 1 A10 IN RPJ4 W14 85309 60109 1 A14 OUT RPJ10 W15 81...

Page 55: ...Service Guide 85309 90082 4 7 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 2 Cable Locations Standard...

Page 56: ...lifier 0 5 to 500 MHz Test1 Chan A16 5067 4814 1 Diplexer Test1 Chan A17 5087 7768 1 RF amplifier 0 3 to 18 GHz Input A18 85309 61601 1 Potentiometer 5K ohm 5PCT 1W 10 Turn Wirebound A19 5067 4814 1 D...

Page 57: ...Service Guide 85309 90082 4 9 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 3 Major 85309B Assemblies Option 001...

Page 58: ...09 20138 1 A17 IN RPJ1 W11 85309 60109 1 A15 OUT RPJ9 W12 85309 60109 1 A10 IN RPJ4 W14 85309 60109 1 A14 OUT RPJ10 W15 8120 8483 1 A2J1 RPJ5 W16 8120 8483 1 A2J2 RPJ6 W22 85309 20168 1 A12 OUT A19 IN...

Page 59: ...Service Guide 85309 90082 4 11 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 4 Cable Locations Option 001...

Page 60: ...09 61601 1 Potentiometer 5K ohm 5PCT 1W 10 Turn Wirebound A19 5067 4814 1 Diplexer Ref Chan A22 0950 5271 1 Power supply unit A24 5087 7755 1 RF amplifier 0 3 to 18 GHz Test2 Chan A25 5067 4814 1 Dipl...

Page 61: ...Service Guide 85309 90082 4 13 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 5 Major 85309B Assemblies Option 002...

Page 62: ...PJ4 W14 85309 60109 1 A14 OUT RPJ10 W15 8120 8483 1 A2J1 RPJ5 W16 8120 8483 1 A2J2 RPJ6 W22 85309 20168 1 A12 OUT A19 IN W23 85309 20144 1 A19 OUT RPJ2 W26 85309 20143 1 A13 OUT A16 IN W27 85309 20146...

Page 63: ...Service Guide 85309 90082 4 15 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 6 Cable Locations Option 002...

Page 64: ...18 85309 61601 1 Potentiometer 5K ohm 5PCT 1W 10 Turn Wirebound A19 5067 4814 1 Diplexer Ref Chan A22 0950 5271 1 Power supply unit A30 85309 80024 1 RF amplifier 10 to 1200 MHz A31 85309 80025 1 RF a...

Page 65: ...Service Guide 85309 90082 4 17 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 7 Major 85309B Assemblies Option 400...

Page 66: ...W8 85309 60111 1 A16 RPJ8 W9 85309 20156 1 A12 OUT SW4 2 W11 85309 60109 1 A15 OUT RPJ9 W12 85309 60109 1 A10 IN RPJ4 W14 85309 60109 1 A14 OUT RPJ10 W15 8120 8483 1 A2J1 RPJ5 W16 8120 8483 1 A2J2 RPJ...

Page 67: ...Service Guide 85309 90082 4 19 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 8 Cable Locations Option 400...

Page 68: ...5 5067 4814 1 Diplexer Test2 Chan A26 85309 80026 1 IF amplifier 0 5 to 500 MHz Test2 Chan A30 85309 80024 1 RF amplifier 10 to 1200 MHz A31 85309 80025 1 RF amplifier 10 to 1000 MHz A32 85309 80022 1...

Page 69: ...Service Guide 85309 90082 4 21 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 9 Major 85309B Assemblies Option 401...

Page 70: ...IN RPJ4 W14 85309 60109 1 A14 OUT RPJ10 W15 8120 8483 1 A2J1 RPJ5 W16 8120 8483 1 A2J2 RPJ6 W23 85309 20144 1 A19 OUT RPJ2 W25 8120 5022 1 A2J12 A5J5 W30 85309 20145 1 AT1 OUT A24 IN W31 85309 20156...

Page 71: ...Service Guide 85309 90082 4 23 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 10 Cable Locations Option 401...

Page 72: ...29 85309 80026 1 IF amplifier 0 5 to 500 MHz Test3 Chan A30 85309 80024 1 RF amplifier 10 to 1200 MHz A31 85309 80025 1 RF amplifier 10 to 1000 MHz A32 85309 80022 1 Power divider 1 GHz 4way A36 0955...

Page 73: ...Service Guide 85309 90082 4 25 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 11 Major 85309B Assemblies Option 402...

Page 74: ...A19 OUT RPJ2 W25 8120 5022 1 A2J12 A5J5 W30 85309 20145 1 AT1 OUT A24 IN W31 85309 20156 1 A24 OUT SW6 2 W32 85309 20147 1 A25 OUT RPJ11 W33 85309 60111 1 A25 A44 IN W34 85309 60109 1 A26 OUT RPJ12 W...

Page 75: ...Service Guide 85309 90082 4 27 LO IF Distribution Unit Service 85309B Replaceable Parts Figure 4 12 Cable Locations Option 402...

Page 76: ...4 28 Service Guide 85309 90082 Service LO IF Distribution Unit ReplaceableParts 85309B...

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