HP 8648 A/B/C/D - Changpuak.ch

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jA30 PAGER ENCODER (OPT 1EP) ! ,~, LPF1 “7 I ’ 2 5 SPARE-DA1 I > SPARE-EN ‘1” I >> I I >I 1 D-mm f15V s+ 2: ,*., p;;/ WI5 (FROM J2 LBg”’ PANEL > INPUT/OUTPUT) , ayE, Fd3i w,I -(TO NORMAL NORMAL i,,-,,-,,-,, --------- I on623aZd Figure 5b-5. HP 8648A Option 1EP A30 Pager Encoder Block Diagram IA,!4 MODULATION GENERATOR (OPT lE2) & , > I PULSE-CK *: > 1 ;;:gy -,,-,,-,,-,,-,,-,,-,,J on622aZd Figure 5b-6. BP 8648A Option lE2 Al4 Modulation Generator Block Diagram Troubleshooting Information 5b-9
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Operation and Service Guide HP 8648
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Certification Warranty Hewlett-Pack
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Instrument Support Center Hewlett-P
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General Safety Considerations Warni
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Contents 1. Operation Quick Overvie
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Message During Servicing . . . . .
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POWer Subsystem . . . . . . . . . .
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AM Modulator . . . . . . . . . . .
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Figures 2-l. HP 8648 Status Registe
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7-68. Using the Open Dialog Box to
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8-29. AM Accuracy Performance Test
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Operation “Operation” contains
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The following table describes the p
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7. Modulation Source Press CMOD ON/
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Operation Examples This section pro
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Turn on the RF Output 3. Press C-1
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Using the Increment 3. Enter a freq
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Saving Instrument In this ten step
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egseq9.dw la-l 0 Operation Examples
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I Deleting a Register In this examp
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Renumbering the In this example, yo
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Inserting a Register in In this exa
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Offsetting the RF Output from a Ref
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la-20 Operation Examples 6. Change
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la-22 Operation Examples Adjusting
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Setting the Modulated 2. Press the
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Setting Up Pager The following step
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Selecting the Data 3. Set DATA RATE
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Selecting the Pager Capcode (Addres
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Selecting the Roaming 11. Set ROAMI
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Frequency/Amplitude Frequency and A
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Function Function hmckeys.drw 1. FR
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Function Setting Up the Pager Encod
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Function Setting the Format The for
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Function lb-10 Operation Reference
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Function I- / I I / 1’gMRl 0 non
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Function 1 b-22 Operation Reference
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Function mmiii\ FREQUENCY 1 b-32 Op
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Function PN15 Setting the Data Rate
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Pulse Modulation Pulse Modulation N
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Increment Set Increment Set 1 b-38
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1 b-40 Operation Reference 2. Backs
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Instrument Preset lb-42 Operation R
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Instrument Preset 1 b-44 Operation
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Memory Memory The memory keys allow
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Memory 3. Register Recall The recal
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Modulation Source Modulation Source
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Modulation Source Note 5. EXT AC EX
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RF output RF Output 1. RF ON/OFF Pr
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Rear Panel Operation Rear Panel 1.
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Remote Interface Remote Interface (
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Memory Interface Memory Interface (
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Operation Messages Front Panel Oper
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011 017 Amplitude exceeds ATTN HOLD
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HP-IB - Command Errors -101 -102 -1
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HP-IB Execution Errors HP-IB Device
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HP-IB Programming Background This s
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Programming Examples Examples are p
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Programming Pager 188 I~IJTF’IJT
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Command Statement Description Query
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%ble 2-1. Programming Command State
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‘Ihble 2-1. Programming Command S
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Ftwer6e Pwmr UnspecMed Amplkde Ext.
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Example: Generate a Service Request
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Unspecified Power This instrument p
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Line 50 Clears all status registers
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ABORt Subsystem ABORt (Option 1EP O
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Note FM Subsystem To set or change
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PAGing Subsystem [SOURceI (Option 1
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The contents of data to be filled i
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Note The data to be sent by the :DE
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[SOURce] : PAGing C : FORMatI :{FLE
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[SOURceI : PAGing C : FORMat] :
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[SOURceI :PAGing [:FORMat] :(FLEXIF
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PM Subsystem [SOURceI :PM [:DEViati
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STATUS Subsystem STATUS :QUEStionab
Page 169 and 170: Changing Parameters While Encoding
Page 171 and 172: HP-IB Capabilities The instrument i
Page 173 and 174: HP 8656157 Compatible Language The
Page 175 and 176: 9-0~till Code* RC RL RP RO Rl R2 R3
Page 177 and 178: Installation Unpacking Your 1. Unpa
Page 179 and 180: Replacing the Fuse If a fuse failur
Page 181 and 182: Turning On the Signal Generator Con
Page 183 and 184: Specifications Options This chapter
Page 185 and 186: output 10 MHZ, typically > 0.5 Vm l
Page 187 and 188: Nonharmonics (2 5 kHz offset, < + 4
Page 189 and 190: Resolution < 2001 MHz 2 2001 MHz De
Page 191 and 192: Environmental Operating temperature
Page 193 and 194: output Front Panel BNC Nominally 1
Page 195 and 196: Regulatory Information IS0 9002 Com
Page 197 and 198: Service Ship]ping Your This chapter
Page 199 and 200: Instrument rrequency Counter +equen
Page 201 and 202: Post-Repair ‘able 5-2. Adjustment
Page 203 and 204: ‘Ihble 5-3. Adjustments and Perfo
Page 205 and 206: Theory of Operation Introduction Us
Page 207 and 208: Overview The HP 8648A/B/C/D signal
Page 209 and 210: A2 Power Supply The power supply is
Page 211 and 212: A6 Output (HP 8648A) The output ass
Page 213 and 214: A 13 Pulse Modulator (HP 8648B/C/D
Page 215 and 216: Troubleshooting Checklist 0 Li Ll D
Page 217 and 218: Modulation Test Points and Power Su
Page 223 and 224: Service Error Messages 5c This chap
Page 225 and 226: 509 Description Cause What To Do 51
Page 233 and 234: OP TION lEP/lE2 \ \ I W15/W18 \ \ \
Page 235 and 236: A6 A7 A9 Al4 A30 Bl Fl MPl MP2 MP3
Page 237 and 238: sn62d \ ‘V’rLJ REAR V/v \ See d
Page 239 and 240: Al AlAl AlA AlA AlA AlJl AlMPl AlMP
Page 241 and 242: Sl Wl w2 w3 w4 w5 W6 w7 W8 w9 WlO W
Page 243 and 244: Test Point Extender One additional
Page 245 and 246: Internal Reference Oscillator Adjus
Page 247 and 248: Pager Encoder Timebase Frequency Ad
Page 249 and 250: Automated This section documents th
Page 251 and 252: AM Level and Distortion 7-10 Adjust
Page 253 and 254: AM Level 7-12 Adjustments A3 Mother
Page 255 and 256: Output Level 7-14 Adjustments HP 86
Page 257 and 258: AM Level: FE 7-16 Adjustments A3 Mo
Page 259 and 260: Prelevel HP 8648BKYD Only 7-l 6 Adj
Page 261 and 262: AM Modulator 7-20 Adjustments HP 86
Page 263 and 264: Time Base DAC All HP 8648A/B/C/D A
Page 265 and 266: Motherboard Audio Pdth 7-24 Adjustm
Page 267 and 268: Audio Generator Options lE2 and 1EP
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HF Power Level Accuracy 7-26 Adjust
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LF Output Level HP 8648B/C/D Only H
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LF Power Level Accuracy 7-32 Adjust
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Filter Path 7-34 Adjustments Option
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7-36 Adjustments Installing the Sof
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7-38 Adjustments 6. Continue with t
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7-40 Adjustments When a disk has be
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Running the Service Support Softwar
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7-44 Adjustments Selecting the Perf
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7-46 Adjustments DeG.ning the Locat
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7-48 Adjustments The Selected Test
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Support Software The following sect
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7-52 Adjustments wk797.a Figure 7-5
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7.54 Adjustments Removing Test Equi
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7-56 Adjustments Adding Device Driv
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7-58 Adjustments 4. Refer to Figure
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7-60 Adjustments Adding Test Driver
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7-62 Adjustments Removing Test Driv
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7-64 Adjustments ALCBIAS.DP ALCFLAT
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Motherboard Repair Using the mother
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7-66 Adjustments Reading Informatio
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7-70 Adjustments Storing Informatio
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7-72 Adjustments HP8648 Motherboard
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Required Test Equipment 8-2 Perform
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8-4 Performance Tests HP 89441A Ve
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FM Accuracy Performance Test Connec
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FM Accuracy Performance Tkst (Optio
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FM Distortion Performance Test Conn
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AM Accuracy Performance Tkst Connec
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AM Distortion Performance Test Conn
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Phase Modulation Distortion Perform
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Residual FM Performance Test Config
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Spurious Performance Test Connect t
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RF Level Accuracy Performance Tkst
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RF Level Accuracy Performance Test
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Pulse Modulation On/Off Ratio Perfo
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Pulse Modulation Rise Time Performa
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FSK Deviation Accuracy Performance
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Internal Timebase: Aging Rate Perfo
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Power Level Accuracy Performance Te
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E-40 Performance Tests ATTENUATOR F
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HP 8648A Test Record ‘lhble 8-4.
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HP 8648A Test Record 8-44 Performan
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HP 8648A Test Record 8.54 Performan
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EIP 8648A Test Record 8-56 Performa
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IIP 8648A Test Record E-60 Performa
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HP 8648B Test Record ‘Ihble 8-21.
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HP 8648B Test Record 8-64 Performan
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BP 8648B Test Record E-68 Performan
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HP 8648B Test Record E-70 Performan
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EIP 8648B Test Record 8-74 Performa
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EIP 8648B Test Record 8-76 Performa
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HP 8648B Test Record E-80 Performan
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BP 8648B Test Record E-82 Performan
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HP 864% ‘Ikst Record ‘able S-45
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HP 8648C Test Record ‘Ihble 8-47.
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HP 8648C Test Record ‘Ihble 8-51.
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Amplitude (dBm) HP 8648C Test Recor
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HP 8648C Test Record ‘lhble 8-54.
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HP 8648C Test Record able 8-57. Pi
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gmplitude WW 4 -6 ‘Ihble 8-60. Sp
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FIP 8648C Test Record Note If the a
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HP 8648C Test Record able 8-62. RF
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Frequency (MI-W 999.9 HP 8648C Test
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HP 8648C Test Record Note If the au
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HP 8648C Test Record Note If the au
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HP 8648D ‘I&t Record ‘Ihble 8-7
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RF LO Input Frequency Frequency Fre
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HP 8648D Test Record ‘Ihble 8-76.
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‘Ihble 8-78. AM Accuracy Performa
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Frequency VW ‘Ihble 8-80. AM Dist
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‘Ihble 8-84. Harmonics Performanc
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‘Ihble 8-86. DC FM Frequency Erro
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HP 8648D Test Record ‘Ikble 8-87.
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Frequency (MB) 1300 HP 8648D Test R
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HP 8648D Test Record Note If the au
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Required ‘l&t Equipment List 9-2
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CW Frequency Accuracy Supplemental
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CW Frequency Accuracy Supplemental
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9 kHz RF Level Accuracy Supplementa
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9 kHz RF Level Accuracy Supplementa
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Index-2 output level output, 7-14 p
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Index-4 F fan part number, 6-6, 6-1
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Index-6 N name, 7-50 new test equip
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Index-8 interface memory, lb-59 lan
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Index-10 test point extender, 7-2 t
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HP 8648 A/B/C/D - Changpuak.ch

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