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Note: this BOM has been updated on the fly, as it were, while I build 3 amplifiers. I consider this BOM stable now. - JD
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AMP-70A-2_BOM_edited.xlsAMP-70-2 5MHz 40V 4A amplifier, prototype1/19/2016Win Hill
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Q'tyCommentPartTypeDesignatorFootprintLibRefDescriptionMouserDigikeyJD comm.
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2CAPCAPC01, C02RADIAL-SQ-0.2CAPCapacitorC01=2pF C02=680pF
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140 pF40 pFC18TRIMMERCAPVARVariable Capacitoromitnot used
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1360 PF360 PFC17RADIAL-SQ-0.2CAPCapacitor360pF > 390pF
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60.10.1C03, C04, C05, C06, C10, C11RADIAL-SQ-0.2CAPCapacitor
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20.10.1C24, C25RC-0805CAP-080580-C0805C473K3GECTU100nF > 47nF/COG
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20.10.1C31, C32CK05Cap_CK05
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20.22, 200V0.22, 200VC08, C09RADIAL-SQ-0.2CAPCapacitor667-ECQ-E2224KB3
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21.0, 100V cer1.0, 100V cerC22, C23RADIAL-SQ-0.2CAPCapacitor667-ECQ-E2224KB31.0u > 0.22u due to PCB space
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21000u 63V1000u 63VC16, C19CAP_0.7DCap_0.7D470u/63V
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11500u 25V1500u 25VC21Cap_0.5DCAPACITORCapacitor1000u/35V
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2470uF 16V470uF 16VC26, C27RADIAL-0.2CAPACITORCapacitor667-EEU-FR1E471YB470u/25V
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2470uF, 35V470uF, 35VC12, C13RADIAL-0.2CAPACITORCapacitor710-860080575017470u/25V
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2470uF, 63V470uF, 63VC07, C14Cap_0.5DCap_0.5D80-ESK477M063AL4EA
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25.6V5.6VD1, D2DIODE-0.4ZENER3Zener DiodeFarnell 2535671
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61N41481N4148D03, D04, D05, D06, D12, D13Diode_DO-35DIODE, DO-35,Diodes
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41N40041N4004D07, D08, D18, D19DIODE-0.4DIODEDiode1N4004 > 1N4005
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11N58221N5822D10Diode_0.51N5822
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2omitomitD11, D14Diode_DO-35Diode_DO-35
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1BAV199BAV199D15SOT-23Diode_dual_S863-BAV199LT1G
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2ES1CES1CD20, D21Diode_DO-214Diode_DO-2141A 10pF (max)ES1C-E3/61TGICT-ND
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2diodediodeR18, R24AXIAL-0.4RES1special optionjumper
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1MD312D-15ERWMD312D-15ERWPM1DC-DC 3WDC-DC_3W_bipolarMPD MD300 seriesFunc. test
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2MD212S-05EMD212S-05EPM2, PM3DC-DC_2W_unregDC-DC_2W_unreg2W unreg 6-pin (bigger)Func. test
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24.7uH4.7uHL01, L03RADIAL-0.2INDUCTOR1TK4351, [NoValue]994-RFB0807-4R7LFarnell 2457797
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2omitomitL02, L04RADIAL-0.2INDUCTOR1
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147uH47uHL10RADIAL-0.2INDUCTOR1Farnell 2775542
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2POT1POT1P1, P2POT-1POT1PotentiometerP1 = 200R, P2 not used
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20.050.05R84, R85RC-1210RES-121071-WSLP1206R0500FEA
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10.10.1R87AXIAL-0.4RES1
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20.51, 3W. film0.51, 3W. filmR48, R49AXIAL-1.0RES1667-ERX-3SJR470.51R > 0.47R
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103.3 NS3.3 NSR39, R40, R41, R42, R43, R44, R66, R67, R68, R69AXIAL-0.8RES_1W_axial71-CPF33R3000FKRE6NI metal film 3W 1%
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14.74.7R86AXIAL-0.4RES1594-SFR16S0004708JR5
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121010R15, R27, R36, R37, R38, R45, R46, R47, R64, R65, R70, R71AXIAL-0.4RES112 R
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11010R79RC-0805RES-0805603-RT0805FRE074R7L10R > 4.7R per schematic; can also use 1206
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211.312R13, R33AXIAL-0.6RES111.3 > 12CFP212R000FKE14
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412.412.4R10, R11, R22, R23AXIAL-0.4RES112 R
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122, 1W22, 1WR35AXIAL-0.6RES122 > 2071-CMF6020R000FHEK
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224.924.9R09, R19AXIAL-0.4RES124 R
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827 2W27 2WR52, R53, R54, R55, R56, R57, R58, R59AXIAL-0.8RES171-CCF2275%TR
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233.233.2R30, R31AXIAL-0.4RES133.2 > 33
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243.243.2R29, R32AXIAL-0.4RES1
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147.547.5R63AXIAL-0.4RES1
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2100100R04, R05AXIAL-0.4RES1
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2124124R12, R26AXIAL-0.4RES1124 > 121
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2270, 0.5W270, 0.5WR07, R21AXIAL-0.6RES171-CMF552701%T1TR
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2330, 1W330, 1WR50, R51AXIAL-0.6RES1594-5073NW3300JHi pwr small size
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2422422R08, R20AXIAL-0.4RES1Farnell 9468226
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1470, 1%, 3W film
470, 1%, 3W film
R61AXIAL-0.8RES_1W_axial594-5093NW470R0J
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1470, 3W470, 3WR62AXIAL-0.8RES_1W_axial594-5093NW470R0J
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1620620R76AXIAL-0.4RES1680
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1820-1/2W820-1/2WR60AXIAL-0.6RES1594-5073NW820R0JHi pwr small size
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Q'tyCommentPartTypeDesignatorFootprintLibRefDescription
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11.00k1.00kR01AXIAL-0.4RES1
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11.21k1.21kR77AXIAL-0.4RES11.21k > 1.2k
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22.49k2.49kR80, R82RC-0805RES-0805603-RT0805FRE072K49Lcan also use 1206
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14.02k4.02kR74AXIAL-0.4RES13.90K
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24.99k4.99kR81, R83RC-0805RES-0805603-RT0805FRE074K99L
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14.99k, 1W4.99k, 1WR02AAXIAL-0.6RES171-CMF604K9900FHEK
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16.19k6.19kR75AXIAL-0.4RES1
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110.5k10.5kR78AXIAL-0.4RES110.5k > 10k
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211.3k11.3kR72, R73AXIAL-0.4RES110k + 12k
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2omitomitR14, R34AXIAL-0.6RES1omit
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4omitomitR16, R17, R25, R28AXIAL-0.4RES1omit
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1RESRESR06AXIAL-0.4RES147R
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2RES1RES1R02, R03AXIAL-0.4RES1R02 omit, R03 = 220R
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1ztx718ztx718Q01TO-92_WHBJT_pnp_TO-92ZTX718-ND E-line pinout verified
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1ztx618ztx618Q02TO-92_WHBJT_npn_TO-92ZTX618-ND E-line pinout verified
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3ztx550ztx550Q03, Q04, Q37TO-92_WHBJT_pnp_TO-92ZTX550-ND E-line pinout verified
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2pnp TO-126pnp TO-126Q05, Q06TO-92_WHBJT_pnp_TO-92omit
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2BJT_npn_TO-92BJT_npn_TO-92Q10, Q11TO-92_WHBJT_npn_TO-92omit
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4ztx450ztx450Q12, Q13, Q38, Q39TO-92_WHBJT_npn_TO-92ZTX450-ND E-line pinout verified
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102SA18592SA1859Q15, Q16, Q24, Q25, Q26, Q27, Q28, Q33, Q34, Q36TO-220FBJT_pnp_TO-220F2SA1859A-ND
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102SC48832SC4883Q19, Q20, Q21, Q22, Q23, Q29, Q30, Q31, Q32, Q35TO-220FBJT_npn_TO-220F2SC4883A-ND
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1LM2593HVT-ADJLM2593HVT-ADJU1TO-220-5LM2592926-LM2592HVTADJNOPBLM2592HVT-ADJ/NOPB-ND
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1LT1360LT1360U2SOIC-8_smallopamp_soic-8LT1360CS8#PBF-ND
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2TL431ACZTL431ACZU7, U8TO-92_WHTL431497-3035-ND
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14-pin CPU fan4-pin CPU fanFJ14-pin-header_fanfan_4-pinnot populated
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1Molex 0.156"Molex 0.156"J5Conn_156_MolexConn_156_4pinsPower input
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2SIP2J6, J8SIP2CON2Connector
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2SIP3J7, J9SIP3CON3Connector
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2BNC-HORIZJ1, J3BNC-HORIZBNCBNC Connector571-5227661-1Input, 50 ohms out
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2BNC-HORIZJ2, J4BNC-HORIZBNCBNC Connector571-5227661-1Mon out, 1 ohms out
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1heat-sink_underheat-sink_underHSheat-sink_underheat-sink_underheat-sink mounted 0.25" under PCB for TO-220F
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10PadPadpd3, pd4, pd5, pd6, pd7, pd8, pd9, pd10, pd11, pd12PAD_050Pad
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2jumperjumperQ03-Q04 collectors; Q12-Q13 collectorsshortshortshorting wire due to omission of Q5/6/10/12. Marked 's'
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