HP 460A User Manual Download

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Summary of Contents for 460A

Page 1: ...HP Archive This vintage Hewlett Packard document was preserved and distributed by www hparchive com Please visit us on the web On line curator Glenn Robb This document is for FREE distribution only ...

Page 2: ...INSTRUCTION AND OPERATING MANUAL FOR MODEL 460A WIDE BAND AMPLIFIER Serial 1996 and Above HEWLETT PACKARD COMPANY 275 PAGE MILL ROAD PALO ALTO CALIFORNIA U S A 460A004 ...

Page 3: ... The Model 460A is useful as a general laboratory amplifier to increase voltmeter and oscilloscope sensitivity and in television work Parts Substitutions Difficulties in procuring some of the parts used in this instrument may cause the electrical or physical values to deviate from those shown in this instruction manual These substitutions have been made so as not to impair the performance of this ...

Page 4: ...requency response off 3 db at 3 kc into an open circuit or succeeding amplifier When operat ing into a 200 ohm load off 3 db at 100 kc With c j 410B VTVM when used with c j 46A 95D Adapter response i 1 db ZOO KC to 200 MC Approximately ZO db into ZOO ohm load Gain control has range of 6 db Five amplIfiers may be cascaded Approx 8 v peak open circuit Output impedance 300 ohms ZOO ohms Less than 10 ...

Page 5: ...by unscrewing the fuseholder cap and inserting a new fuseo Replacement fuses for this instrument should be of the llslow blow type as specified in the Replaceable Parts Lista INPUT OUTPUT JACKS AND ACC ESSORIES The input and output jacks located on the control panel fit special connectors and cables which have been designed for use with Model 460A because it is not possible to obtain the best perf...

Page 6: ...ive o The load impedance determines the gain of the amplifiero Therefore it is not necessary to match the load to the output of the amplifier unless the gain is adversely affected Shown below are two dia grams for connecting a matched or unmatched load to the Model 460A using a ZOO ohm cable I N D 11l 11l Adapter for connection to 5XP CRTo 50 Ohm Adaptor Provides a cyp N con nection for coupling a...

Page 7: ...in meas uring high frequencies A special adaptor is a ailable to connect the probe of the Model 410B to the output terminal 0 the amplifi r The overall frequency response of the Model 460A in combination with the Model 410B is within 1 db out to 190 mc This combI nation will give a full scale meter reading on the Model 410B with 1 10 volt applied to the input of the Model 460A Several amplifiers c...

Page 8: ...esponding wave generated in the plate circuit travels down the plate line toward the output and is reinforced at each successive plate The part of the wave in th plate line which travels in the reverse direction is absorbed by a termination of the other end of that line By the time the wave in the plate line reaches the out put it has been amplified by about 10 db The second stage adds another 10 ...

Page 9: ...NC V A A Amplifier with 4l0B Voltmeter Adapter 1 I B Amplifier working into 200 1 Resistance Load 1 C Gaussian Curve Optimum for Pulse o _ 100 KC 2 4 6 8 14 16 18 20 22 12 10 CQ TYPICAL RESPONSE CURVES MODEL 460A WIDE BAND AMPLIFIER ...

Page 10: ...D 0082 10 A POINTS AND CHASS S WITH A VOlT UF UF METE Of 100 MUOHM INPUT UIST 0 S 22 AT lllAllllMUM GAIN ACTOR AOJUSTllI N o AN 1 CONnOL RII C ACllT IN UNLI S 01 t I NOllED 12 It 1000 OHM CIO RIO RI5 RI6 RI7 R 18 III I WE OHIllI RI2 RI3 R 14 01 270 12 12 12 12 12 12 12 lJF L11 LI2 LI3 LI4 LIS L16 LI7 CI9 100 f 10UTPUTI vo0t vo vo t 0IU J2 CII t I 0 10 110 10 I I I I I 005 1 2CI4 UF 1 2 CI2 1 2 C13...

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Page 13: ...le of Replaceable Parts will be listed on a Production Change sheet at the front of this manual When ordering parts from the factory always include the following information Instrument model number Serial number hp stock number of part Description of part ...

Page 14: ... composition 33 ohms 10 1 W Resistor variable wirewound 50 ohms 10 3 W linear taper Resistor fixed composition 10 ohms 10 1 W Capacitor fixed electrolytic 40 lf l0 lf l0 lf 150 vdcw Capacitor fixed ceramic o 0082 l f 500 vdcw Capacitor fixed ceramic 005 l f mino 500 vdcw Switch toggle SPST Transformer power Reactor 6H Fuse 00 6 Amp Slo Blo type Lamp 6 8 volt 47 Tube electron 5654 Jack panel 30 195...

Page 15: ...RTS Circuit hp Mfr Mfrs Ref Description Stock No Desianation CR l Rectifier selenium 212 50 M 403Dx78A Knob 37 11 HP Power Cord 812 56 HP Fuseholder 140 16 T 342003 See List of Manufacturers Code Letters For Replaceable Parts Table II 6 ...

Page 16: ...anufacturing Co Cornell Dubilier Electric Co Hi Q Division of Aerovox Corp Erie Resistor Corp Federal Telephone and Radio Corp General Electric Co General Electric Supply Corp Girard Hopkins International Resistance Co Lectrohtn Inc Littelfuse Inc Micatnold Radio Corp p R Mallory Co Inc Sangatno Electric Co Sarkes Tarzian Sprague Electric Co Stackpole Carbon Co Sylvania Electric Products Inc Weste...

Page 17: ...sportation charges prepaid by the original purchaser and when upon our examination it is disclosed to our satisfaction to be defective If the fault has been caused by misuse or abnormal conditions of operation repairs will be billed at cost In this case an estimate will be submitted before the work is started If any fault develops the following steps should be taken 1 Notify us giving full details...

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