HP 423A User Manual Download

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Summary of Contents for 423A

Page 1: ... lruo Page Mill Road Palo Alto California u E A Cable HEWPACK Tel 4s ezo zooo ffi v 1 r a v s Figure 1 Models 4234 and B4 0A Crystal Detectors and Model 115234 Load Resistor I co d C o H 5 PRECAUTIONS 6 ELECTRICAL SHOCK DISCHARGE OF STORED ELECTRICAL ENERGY CAN EASILY DAMAGE THE CRYSTAL DETECTOR A 100 pF capacitor the equivalent of four feet of co axial cable charged to 14 volts stores 0 1 erg ofe...

Page 2: ...connector Option 13 F rrnished with stainless steel tlpe N female connector Detector Element Supplied replec e rn enf a s se m bl ie s Output Polarity Negative posftiGEfefify units Noise 200 pVp p with CW applied to produce J00 mVdc output As readon a meter calibrated for square law de tectors such as HP 4158 SWR Meter Refer to Table 2 for Refer to options for t t I T C lO GElrllRAt 11 The Crystal...

Page 3: ...CTOR ELEMEMT REPLACEMEN T WARNING The special detector element see Figure 3 contained ia the Detector can be damaged in handling removal or installation if certain precautions are not taken Thehandling pre cautions which follow should be read before performance of any operation with the detector element when it is out of either the housing or the detector element shipping container 24 DETECTOR ELE...

Page 4: ...tor lead to approximately L 32 inch see Figure 4 2 With flat file smooth end of lead wipe off burr with tweezers or similar metal instrument WASHER c Slip contact spring over center conductor lead and solder BNC CAUTION Use solder sparinglyor it will creep back on spring Solder on springdestroys its useful ness and solder is difficult to remove from spring d Let spring cool and then replace lockwa...

Page 5: ...rity Option 03 Single detector assembly with matching load resistor Option 02 Negative polarity Positive polarity Option 03 Matched pairs of assembly Option 01 Negative polarity Positive polarity Option 03 Matched pairs of elements with matching load resistor Option 02 Negative polarity Positive polarity Option 03 xRefer to Table 1 for description of options 33 REPLACINGFEMALE CONNECTOR 34 REPTACE...

Page 6: ...ctor To Disconnect 1 Loosenthe coupling nut of the connector show ing the wider gold band E f 2 IMPORTANT Part the connectors caretully to prevent striking the irurer conductor contact P28tB A l CARE 1 Keep contacting surfaces smooth and clean Irregularities and foreign particles can degrade electrical performance Protect the contacting surfaces when the con nector is not in use by leaving the cou...

Page 7: ...nt so the connector faces down if possible 2 Tap the connector lightty and the contact should now protrude slightly Insert the centering pin of the Hewlett Packard collet remover Stock Number 5060 0236 withthe jawsopen If thistool isnotaw il able an ordinary draftsman s mechanical pencil may be used the end of the jaws may have to be filed to get a good grasp at the very end 3 Allow the jaws on th...

Page 8: ...e and measure the RF output level Specification less tharr 0 355 mW should produce 100mV detectedoutput 42 SWR CHECK a Equipment required 1 tP 250A Rx Meter 2 HP 803A VHF Bridge 3 HP 417A Detector 4 HP 8098 8068 444A Slotted Line Models 4234 847OA 5 P 805C Slotted Line 6 Si ral sources 10 MHz to 18 4 GHz b To measure the S rR of the Detector in the 10 to 250 MHz range an RX meter should be used Th...

Page 9: ...59 University Avenue St Paul 55114 Tel 612 645 9461 TWX 910 563 3734 FOR AREAS NOT LISTED CONTACT Hewlett Packard 1501 Page Mill Road Palo Alto Calitornia 94304 Tel 415 326 7000 TWX 910 373 1267 Telex 34 8461 PENNSYLVANIA 2500 lvoss Side Eoulevard Monroeville 15146 rer lj 12 271 0724 rwx 710 797 3650 144 Elizabelh Street West Conshohocken 19428 Tel 215 248 1600 828 6200 TWX 510 660 8715 TEXAS P O ...

Page 10: ...y Ltd 22 26 Weir Street elen lris S E 6 Victoria Tel 20 1371 4 lines Cable HEWPARD Metbourne Hewlett Pactard Australia Pty ttd 4 Grose Street elebe New South Wales rel 211 2235 211 2888 Cable HEWPARD Sydney CEYLON United Electricals Ltd P 0 Box 681 Yahala Building Staples Street Colombo 2 Tel 5496 Cable H0TP0tNT Cotombo ETHIOPIA Alrican Salespower Agency Private Ltd Co P 0 Box 718 Addis Ataba Tel ...

Page 11: ...NCE All Hewlett Packard products are warranted against defects in materials and workmanship This warranty applies for one year from the date of delivery or in the case of certain major components listed in the operating manual for the specified period We will repair or replace nroducts which Drove to be defective drrrins f he warrantw tho J t p r replace prod prove to be defective during the warra...

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