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INSTRUCTION MANUAL
MODEL 103A
NANOVOLT AMPLIFIER
0 COPYRIGHT 1974
KEITHLEY INSTRUMENTS. I NC.
20775 AURORA ROAD CLEVELAND. OHIO R413Y ,216, 24~~0400
TELEX~ 98~5469 CAOLE KEITHLEY
PRlNTED ".SA.
IN
CONTENTS
ILLUSTRATIONS
Fig. NO. Ti,tle ,`URC
1 Front Panel, wadcl, 103*. 1
2 Front Panel Controls and Terininal~s. 3
3 Rear Panel - Models 103A and 1031*. 3
4 overall Block ILt@-am. 4
5 Single-Ended Mode. 4
6 Uifferenrinl Mode. 4
7a Power Rcceptncle.
7b Power Ilqmfi connection. 5
8 Johnson Noise/ Hz Versus Source Resistance. 5
9 cain/Phnse vs. Frequency for R-C Type Filter. 6
10 Equivalent circuit Far Noise Analysis. 9
11 use Of Model 1037 Transformer. 10
12 Noise Bandwidth. 10
13a Noise CoDtoUr Single-Ended Mode. 11
13b Noise Contour Oiiferential Mode. 11
14 use as an cmill.oscope Preamplifier. 12
15 "se in System 84 Lockin Amplifier. 12
16 Model 2000 Rack Mounring. 13
17 Model 100, Dual Kack Mounting. 14
18 Overall Block r1i.ap,ram. 16
19 Non-inverting Stage "A". 16
20 Non-inverting stage '93". 16
21 Single-ended Mode. 17
22 "ifferenfisl Mode. 17
23 Nan-inverting stage "I?". 17
24 Nan-inverting Stage "F". 17
25 High-Law cut Filter. 18
26 DC Offset Adjustment. 18
27 t18" Power supply. 19
28 camponent Layout, K-293. 19
29 component Layout, PC-294 (Mother Board). 20
30 Component Layout, PC-295 (Model 1031A Power Supply). 21
31 Component l.uyout, PC-261 (Model 1031A Regulator). 22
32 Tese Set-q For Frequency Response Check. 24
33 Chassis Assembly, Exploded View. 29
34 Bottom cover Assembly. 29
SPECIFICATIONS
SPECIFICATIONS
I
0371
MODEL 103A AMPLIFIER
SECTION 1. GENERAL DESCRIPTION
l-l. GENERAL. The Model 103A Nanovolt Amplifier is b. Adjustable frequency Sesponse. A combination of
an ac amplifier intended for use in high-gain low- high cut and low cut filter sections permit selection
noise applications. of optimum irequency bandwidth.
C. Overload Indication. An automaeic overload in-
dication circuit detects overloads under various oper-
ating conditions.
1-2. FEATURES.
d. High Output Level. The full scale weput is ten
a. Selectable Input Mode. The input mode can be voles pk-to-pk (d-c coupled) to easily drive a recorder,
set far either single-ended or differential configura- amplifier, or oscill~oscope without further amolification.
Front Panel Controls and Terminals
Control or Terminal Funceianal oescripekm Paragraph
INPOT Switch (S201B) sets inpue "ode as follo"s:
A-B Input "Ffferential Mode. 2-4, a
-B Input Single Ended Mode. 2-4, a
O"ERLO*o RESET Swiech (S201A) Activates overload reset circuitry. 2-4, a
3 dB FREO HZ Switch Sets overall amplifier frequency response. 2-4, a
HIGH Filter (S3"lA) Sets High Cue
LOW Filter (S301B) sets LO" Cut
GAIN Switch CS302) sets overall gain. in 20 dB steps. 2-4, a
GAIN ADJUST Control (X306, Adjusts gain over 2" dS span. 2-4, a
INPUT A cJ202~ Non-inverting Input receptacle. 2-2, a
INPUT B (5201~ Inverting Input receptacle. 2-2, a
HIGH "UT (53011 High output receptacle. 2-2, b
LOW "UT (53021 LOW output receptacle. 2-2, b
"vERL"A" Lamp toslol~ Indicates overload condition. 2-5, d
TABLE l-2.
Resr Panel Controla and Terminals
Control or Terminal Functional OescriptFon Paragraph
POWER INPUT (P301) Input receptacle for 518" power. 2-2, c
DC OUTPUT ADJ. Adjusts dc oueput offsets. 2-5, i
Control ii1 (R312)
Control 112 (R311)
2 0371
GENERAL DESCRIPTION
r INPUT MODE SELECTION
A-8 -J ""CRI."*D GAIN GAIN
INPIJC INPUT ADJtJST SWiLCh
5201 5201 %T R306 s302
5301 J-301
INPUT INPUT ""EilLOA" LOW HIGH L."W IIICI,
A B Lamp FRCQ FREQ 0 ,rr "LT
FIGURE 2. Front Panel Controls and Terminals.
FIGURE 3. Rear Panel - Models 103A and 103ln
"272 3
OPERATION MODEL 103A AMPLIFIER
SECTION 2. OPERATION
2-1. THEORY OF "PEKATION. 2-2. C"NNIICTI"NS.
a. General. The Model 10311 Nanovolt hmplifier is a. Input. 'I`he Model 103A has two input receptacles
a high gain voltage amplifier designed for use with designated "INPUT A" and "INPUT il". 'These receptacles
single ended or differential inputs. 'The amplifier is (5201 and 5202) at-2 BNC types which mate with coaxial
essentially composed of two high impedance inpue am- cables such as Keithlcy Models 8201 and 8202 coaxial
plifiers, a summing amplifier, a combination high-l.ow cables. 'he inner coneact of each receptacle is the
c,,t filter section, two stages of X10 gain, and an circuit high. The outer shell ia the circuit low
output buffer amplifier as she"" in Figure 4. which is floati,"g wit,, respect co the Model l"3h chas-
sis. Only INPUT B should be used for single-ended
b. Single-Ended Mode (-B INPUT). In this mode the input operation. For differential operation both in-
input amplifiers are connected together to form a puts should be used. A complete discussion of input
single-ended inverting amplifier as shown in Figure 5. modes is given in Section 2-5.
The signal at INPUT H will be amplified and inverted.
The signal at INPLTI A is not connected. Amplifiers b. output. the b,odel 103A has two oueput recepce-
"A" and "s" are summed co provide very low noise char- cles designated "LOW "UT" and "HIGH "UT". These re-
acteristics. ceptacles (5301 and 5302) are BNC types which mate
with coaxial cables such as Keithley Models 8201 and
C. Differential Mode (A-B INPUT). In this mode the 8202 coaxial cables. The inner ConfaCt of "LOW am@'"
input amplifiers are conneceed as separate amplifiers receptacle is at ci.rcuit low (the same as the outer
which are summed differentially as shown in Figure 6. shell of INPUT A and INPUT B). The inner contact of
The oueput is a funceion of A-B times the gain of the "HIGIl OUT" is the amplified output. me outer shell
amplifier. of each ""UT" connectc,r is at chassis ground. There
INPUT6
"A"
INPUTA
FIGURE 4. Overall Block Diagram.
FIGURE 6. Diffcrcntial Mode
4 "371
CHASSIS INPUT E
+1t3v 8 D -18V INPUT A
c
@ LOW
P301
,,. ,,,~; ;..,,
OPERATION
2. Flicker noise (l/f). 'this noise has a char-
acteristic of constant energy per percent bandwidth.
Random noise such as generated by tubes and trans- a. Front Panel.
istors shows a low frequency characteristic or l/f
relafionship. 1. INPUT Switches (52018). These switches are
pushbutton types wit,, two "orma configurations. The
3. oiscrete Frequency Noise. This is noise gen- switch posi~i.ons are designated as "A-B" and "-U".
erated by various discrete frequency sources such 'These two pushbuttons are interlocked so that depress-
as power lines, radio frequency generators, etc. ing one will release the Other automatically. H0C.T"~~
it is possible to depress both or have both buttons
b. Shielding. released but these conditions are not useable modes
Of operation.
1. Electric Fields. Shielding is usually neces-
sary when the instrument is in the presence of very 2. O"EKLOA,l RESET Switch (S2Olh). This switch is
large ac fields or when very sensitive measurements a momentary contact pushbutton type. The overload
are being made. The shields of the measurement cir- reset circuit is activared only when the pushbutton
cuit and leads should be connected together to ground is depressed. When the OVERLOA" lndicaeor light goes
at only one point. This provides a "tree" configura- off the reset has been accomplished.
tion, which minimizes ground loops.
3. 3dn FKEQ Hz (5301). This switch is a dual-
2. Magnetic Fields. Magnetic shielding is useful concenrric type. 'l'he inner dial sets the "IlIGil Cut"
where very large magnetic fields are present. Shield- filter in ten positions from 10 11% co 300 k"Z. me
ing, which is available in the form of plates, foil outer dial sets the "LOW Cut" filter in nine posi-
or cables, can be used to shield the measuring cir- tions from 0.1 to 10 kllz.
cuit, the lead wires, or the instrument itself.
4. GAIN. Gain is set by use of a dual-concentric
c. Grounding. The Model 103A has been designed to GAIN switch 5302 and GAIN ADJUST control R306. The
operate with either the Model 1031A Power Supply or GAIN hD.JUST control has a "CAL" position when set
the Model 840 Amplifier. The circuit low is isolated to fully clockwise.
from chassis ground by a 10 ohm resisror in the power
supply. For best results, no other connection should
be made between circuit low and chassis ground. Since
the yodel 103.4 chassis is connected to earth ground
through the accessory power cable, it is not necessary b. Rear Panel.
to connect the Model 10% chassis to ground. when the
yodel 103~ is connected to the yodel 840 differential 1. DC OUTPUT AOJ "1" (R312). These controls adjust
inouc (as shown in FFrwre 15). the m!xR of the Model the dc output offset.
840 minimizes the effects of ground loops.
FIGURE 9. Gain/Phase Vs. Frequency For R-C Type Filter.
6 0371
0371 7
MODEL 103A AMPLIFIER
TABLE 2-3.
Gain settings of Model l"3A
CAIN switch GAIN AD.J"ST Overall Gain Calibrated
setting setting (C) Possible (Yes or NO)
2. wefilter ""erloads. Overloads can occur ahead
Of the IIICII-LOW cut filter which may not cause an
overload at the ourpuc. since a &refilter oVerload
may occur due t" large amplirude noise signals, the
overload is sensed and the OVERLOAD indicator is
lighted whenever an overload condition is present.
However, prefilter overloads above 100 km may not
be detected.
3. Steady-state Overloads. Overloads can occur in
the output stages due tc' saturation. Since the WC-
put will saturate when drive" beyond 10 volts &peak-
d. Overloads. Although clle Model 103A aaplifier is ra-peak, the OVERLOAD indicaror will be lighted as
ac coupled to the input, rtle amplifier has been designed long as t,,i.s canditian cxiscs. TO remove ibe "Ye=-
to have a very low frequency response. Therefore the lOad condition, the GAIN setting can be reduced, the
internal circuits have very long time constants. me input signal can be attenuated, or fil~Lered through
long time COnSrantS affect the operation of the Model the use of the HIGH-LOW cut filters. The O"CRI.oAD
103A under input overloads and power turn-on conditions. K1:SF.T button can be used t0 restablish normal bias
Three types of overloads must be considered in this conditions in the amplifier.
discussion.
0371
"opt = Eq. 6a
MODEL1037
Thus the equivalent noise bandwidth is given in equa-
tion 10.
10
OPERATION
0371
APPLICATIONS
MODEL 1038 AMPLIFIER
SECTION 3. APPLICATIONS
3-1. GENERAL. AlthouSh the Model 103A can be used as
El general purpose insfrument, a few specific applica- OSCILLOSCOPE
tions Can more fully illustrate the important features.
3-2. TYPICAL APPLICATIONS.
a. Oscilloscope Preamplifier. men used as a pre-
amplifier for a dull input oscilloscope the Model 103A
CB" be connected as shown in Figure 14. me oscillo-
scope chassis should be conneceed to earth ground di-
rectly. The Model 10%. out,,uts can be connect differ-
entially or single-ended if necessary. men c"nnect-
ing the Model 103A output to a single input oscillo- POWERGND
scope, the NIGH OUT receptacle should be used. Si"CC
the Model 103A low is isolated by 10 ohms above chassis F10Lnuz 14. Use as an Oscilloscope Preamplifier.
ground when powered by the Model 1031A, no other con-
nection is required. If another power supply is used
such as batteries, it is necessary to connect a 10 ohm
resistor between low and chassis.
b. Lock-in.System Preamplifier. When used with a
phase-sensitive detector such as the Keithley Model
840 the Model 103A can be connected as shown in Figure
15. In this application the Model 103A outputs mate
with the differential input of the Model 840 thereby
minimizing ehc effects of ground loop connections. For
this application the Model 840 should be set for "01~~"
input "ode. Since the Model 840 accessory power outpx,t
pr.ovides law and ground as well as +I8 volts, it is
not necessary to connect the Model 103A chassis to
earth Sround. FIGURE 15. "se in System 84 Lockin Amplifier.
MODEL 10% AMPLIFIER ACCESSORIES
SECTION 4. ACCESSORIES
4-l. GENERAL. following Keithlcy accessories
The can INSTKUCTIONS. sepvracc 1nser,,ctio,,
L-2. OPNATING A
be used with the Model 103h to provide additional con- Manual is supplied with each accessory giving c~mpluie
venience and versatility. operating information.
Model 2000 Rack Mounting Kit
the Model 2000 is a rack mounting kit which converts
any half-rack, Style M instrument irom bench mounting
to rack mounting in a standard 19-inch rsck. The
dimensions are 3-l/2" high x 19" wide. The hardware
included in this kit consists of B blank panel which
can be mounted on either side of a half-rack instru-
rent.
FIGURE 16. Model 2000 rack pouncing
Models 8201, 8202 Coaxial Cables
Description:
These cables are coaxial types with BNC ConneCtorS an
each end. The wade1 8201 cable is 10 inches long
while the Model 8202 is 20 inches.
Application:
These cablc2s mate with the RNC receptacles On the
Models 103A and 840.
..,,.., ., ,,~~, ,~, ,,,, .~..,. ,,,,.
ACCESSORIES MODEL 103.4 AMPLIFIER
Description: Parts List:
The Model 1007 is dual rack mounting kit with over- Item WY Keithley
all dimensions 3-l/2" high and 19" wide. The hard- NO. Description Req'd Pare No.
ware included in this kit consists of two Angle
Brackets, one Mounting clamp, and extra mounting 21 Angle Bracket 2 24783h
screws. 22 Screw, #6-32x5/8, Phillips 4
23 Mounting Clamp 1 24798B
Application: 24 Screw, #6-32x1./2, FH Socket 4
(original hardware)
The Model 1007 converts any half-rack, style M instru- 25 Screw, #6-32x1x1/8, Phillips 1
ment from bench mounting to rack mounting in a stand- 26 Kep Nut, #6-32 1
ard 19-inch rack.
Installation:
a. Before assembling the rack kit, determine the d. Tighten the socket head screw (Item 24) on
position of each instrument. Since the instruments instrument "B". Insert the "mounting clamp" behind
can be mounted in either location, their position the "corner bracket" on i"str"ment "B" as show".
should be determi"ed by the user's measurement. The
following instructions refer to instruments "A" e. When mounting instruments having the same depth,
and "B" positioned as shown in Figure 17. a screw (Item 25) and kep "UC (Item 26) are required
to secure the Tao instruments together.
b. Once the position of each instrumenr has been
determined, the "side dress" panels (Item 11) on f. Attach an "angle bracket" (Item 21) o" each
adjacent sides should be removed. Removal is *ccom- instrument using hardware (Item 22) in place of the
plished by loosening the socket head screws (Item 24) original hardware (Item 24).
in two places. Slide the "side dress" panels to the
rear of the instrument to remove. g. The bottom cover feet and tilt bail assemblies
may be removed if necessary.
c. The "mouneing clamp" (Item 23) is installed on
instrument "A" using the original hardware (Item 24). h. The original hardware, side dress panels, feet
With the socket heed screws removed, insert Lhe "mount- and tilt bail assemblies should be retained for future
ing clamp" behind the "corner bracket" (Item 7) and conversion back to bench mounting.
replace the screwy to hold the mounting clamp in place.
FIGURE 17. Model 1007 Dual Rack Mounting.
SECTION 5. CIRCUIT DESCRIPTION
The overload and fil,ter circuits are located 0" the Fotentiometer R244 adjusts bias current through resis
"Overload Board", PC-293. tars K213 and R214.
COMMON
MODE OUTPUT
OVERLOAD OVERLOAD
PREFILTER
OVERLOAD
INPUT4
0371
C. stage "C". This amplifier is composed of inte-
graced circuit QAZOlA and various gain set resistors
which are connected for either single-ended or differ-
ential mode.
1. Single-Ended Mode. liar this made mplifiers
"A" and "B" are connected as sunming i,,,,,uts to
amplifier "C" as shown in Figure 21. The gain of
amplifier "C" is deLermined by resistors K247, R248,
and R249 as foll~ows:
R248
I I
FIGrn 21. Single-ended Mode.
d. Stape `9". This amplifier stage is a unity-gain
buffer amplifier composed of Qh301. Thi., amplifier is
a self-contained voltage follower integrated circuit
package.
e. Stage "E". This amplifi~cr stage is composed of
integrated circuit QA302.A connected as a non-inverting
amplifier as shown in Figure 23. Gain is sef by re-
sistors R308 and K313, where:
fL (3 dill = I 10 where c = value in UT.
2T!RC = c
HIGH CUT FILTER LOW CUT FILTER + R311 -
r-----l m
c313 v
T"
a. blather Hoard. Power for the 5'8" supplies is
provided by separate transformer windings and bridge
rectifiers as shown on schematic 24.8080.
18
L
~.~ ~.~
..,,,.,.. ,,~ ., ~,~
1~`~
;;
j COMPONENT LAYOUTS MODEL 103A AMPLIFIER
t
1;
FIGURE 29. Component Layout, PC-294 (Mother Board)
20 0371
COMPONENT
LAYOUTS MODEL 103A AMPLIFIER
6
T 201
A J201
FIGURE 30. Component Layout, PC-295 (Model 1031A l'owcr Supply) 21
,.~,~~
~, ,.
j'
COMPONENTLAYOUTS MODEL 103A AMPLIFIER
FIGURE 31. Component Layout, PC-261 (Model 1031A Regulator)
0371
CALIBRATION
SECTION 6. CALIBRATION
6-2. REQUIRE" TEST Eq"IPMI(N1`. Test equipment need-
ed for calibrating rhc M"del~ 103A is described in
Table 6-l.
6-3. AD.J"STMENT AND CALIlw.ATION FROCED"RE. This
procedure should be used whenever ie is necessary to
calibrate the Model 103.4 to emure chat it meets
published specifications.
a. Initial Turn ON.
1. Place shorting caps on both INPUT A and "
and set INPUT switch (5201) to A-".
2. set both the LOW FRZQ. and IIICH PKI:Q. SWiLCh
(S301) to the 1K position and set the GUN t:o 100
and the ADJUST pot (R306) full CW (CAL).
3. connect the power cable from one of the *ea*
pane1 outputs Of the Model 103111 (ItaIl I) to the
POWERINPUT cOnneCtor (P301) on the rear pane1 of
the Model 1031\ and turn the Model 1031A on.
4. hfter about 5 to 10 seconds, the O"ERLOnU
Lam iDS101) should be liehted and after iibout 1
b. Bias Adjustment.
1. Set the Model 10% INFUT to A-ii and connect
the DC Voltmeter (item B) between TF-201~ and 'TX'-203.
DC Voltmeter must be floating.
0874 23
MODEL 103A
3. Adjust the 300kHZ trlmlller capacitor (C311) 5. set the AC Ratio standard dials as follows:
far 1.4 volts peak-to-peak at the Mode1 103A OUT-
PUT (-3dR). lo-1 10-2 lo-3 10-4 lo-5 10-6 10-7
0 1 0 0 0 0 0
6-4. CUECK-OUT PKOCl?D"RE.
and eet the 103A gain to 1k.
a. Gain Check.
6. The AC "oltmerer should rend 1.0000 vole i
1. ConneCt Potentiometer (Item II) to the Signal lh" KM.
Generator output, connect the Potentiometer output
to the input of the AC Ratio Standard. "sing the 7. Set the AC Ratio Standard dials as follars:
Signal Generator variable-attenuator and the Paten-
tiometer (Item It), set the signal at the AC Ratio 10-l m2 10-3 IO-~ 10-5 10-6 10-7
Standard input for loom" t lOOIl" RMS at 100 HZ as 0 0 1 0 0 0 0
monitored on the AC Voltmeter.
and set the 103A gain to 10k.
2. Connect the output of the AC Ratio Standard
to the -B INPUT of the 1o3A and set the 1o3A con- 8. The AC Voltmeter should read 1.0000 volt *
rro1s as follo"s: lOIn" RMS.
9. Turn the Mode1 103A GAIN ADJUST (~006) full
LO cut - 0.1 NZ ax. The AC Voltmeter shauld now read less than
Hi Cut - 300/.& loom".
Gain - 100
b. Frequency Response.
3. Connect the OUTPUT of the Mode1 103A f~ the
input of the AC "oltmeter and set the AC Voltmeter 1. Connect the Signal Generator CO the 20 dB pads
Controls as follows: and 50 ohm termination as shown in Figure 35 and set
the Signal Generator for 35,"" t 35011" at the 50 ohm
Flange Full. Scale - 5 Volts termination as monitored on the AC Voltmeter.
Null Full Scale - loom"
Function - AC 2. Set the Sijyal Generator frrquency to ISkHz,
Dials - 1.0000 the 103A GAIN to 100 and connect the test set UD as
shown in Figure 35.
4. see the AC Ratio standard dials as follows:
3. set the hC "oltmeeer conrro1s as follows:
10-l 10-2 10-3 10-4 10-5 10-6 10-7
1 0 0 0 0 0 0 Range Full Scale - 5 volts
Null Full Scale - loom"
The AC "oltmeter should read 1.0000 volts ? 101"" Polarity AC
KMS. Dials - 3.5000
TEE
CONNECTOR
r--,
SIGNAL 20 08 20 rJ8 I I MODEL
GENERATOR _ PAD PAD . I I 103A
L---J
500
TERM.
FIGURE 32. Test Set-up for Frequency Respxwe Check.
24 0874
0874 _'`i
SECTION 7. REPLACEABLE PARTS
7-4. HOW TO ORDER IaRTS
a. Replaceable parts may be ordered through the
Mother iioilrd, Part 1
Mother I3oard, Part 2
Filter & Overload
Regulator (103LA)
Power Supply (1031,A)
I I
2 4
3
i
%
4
4
1" 2
11 2
14 i
15 4
16 4
17 4
)DEL 103A REPLACEAULE PARTS
F%GUIW 33. Chassis Assembly - i:xplodcd View.
0874
MODEL 103A AMPLIFIER
Cl04
Cl"5
Cl06 25 v EM. 29109 JC810025"F 2"
c1.07 25 " EAL 29309 JC1250025HF 28
Cl08 25 " EAL 29309 IC81002.581' 28
Cl09 2" v ETT 17554 TSD1-20-I",,F 28
Cl10 25 v ML 28
Clll 25 " E/IL 29309 JC8100258P 28
20 " ETT 17554 TSD1-2"-1",,F 28
25 " I:AL 29309 JCR10025RP 28
OlOl
"102
"103
0104
010.5
Kill 10 kn lO'X, l/4 w 44655
R112 10 kfl LO%, 114 w 44655
K113 10 kfl lO%, l/4 w 44655
K114 560 12 IO%, 112 w 01121 Gil-560-10%
R115 10 0 lo%, l/4 w 44655 CD-loo-10%
~116 10" n lO%, l/4 w 44655
RI17 1 1`0 lo%, 114 w 44655
I<118 10 ki, 1'L, l/B w 07716
R119 100 ki? I%, I~/8 w 07716
R120 1 kfl lo%., l/4 w 44655
K121 1 kfl I"%, l/4 w 44655
R122 100 kfl If, l/8 w 07716 CEA-lOOK-1%
R123 10 kll I,%, 1/a w 07716 CEA-lOK-1%
R124 1 kn LO%, l/4 w 44655 CB-102-10%
R125 1 kcl lo%, l/4 w 44655
KU6 100 n lo%, l/4 w 44655
KU7 1 k0 LO%, l/4 w 44655
TRANSIST"RS
Mfr. Mfr. L(eithley Fig,.
QlOl Silicon, NW, Case 'X-106 07263 2N3565 K-39 28
4102 Silicon, PNP, Case K-110 07263 517638 'K-33 28
Q103 SilLcon, NPN, Case TO-106 07263 2N3565 K-39 28
Q104 Silicon, NW, Case TO-92 04713 2N5089 K-62 28
Q105 Silicon, NPN, case TO-92 04713 2N3904 TG- 4 7 28
QlO6 si.licoLl, PNF 04713 ZN3906 'X-84 28
Q107 Silicon, FNF 04713 IN3906 'X-84 28
CI~79-1OM 29
C47-.1M 29
600 " 72982 801-Z5UO-472M C22-.0047N 29
20" v 13050 SMlh-0. lUF C47-.lM 29
C206 1.00 WF 15", 10% 06751 TSD515107h c205-100M 29
C207 I,00 pF 15", 10% 06751 TSD515107A C205-lOOEI 29
C2"8 470 pP 100" v 56289 m-471-10% C64-47OP 29
C209 470 pF 1000 v 56289 m-471-10% C64-470P 29
C210 .OOl p 1000 " 72982 8o1ooox5Po C64-.OOiEf 29
c211 7-25 pl> 300 " var 72982 538-037 C175-7/25P 29
c212 .0022 Ifi 1000 v CcrD 72982 81100OXSF0222K C22-.0022H 29
C213 .0022 Iii` 1000 v CerD 72982 811000X5F02%2K C22-.0022M 29
C214 100 $lF 15". 10% I:TT 06751 TS"SI5107h C205-lOON 29
C215 100 @F I"", 10% ETT 06751 TSD515107A C205-100&f 29
0874 31
CEA-1%-l% ma-15K 29
CEA-15K-1% R88-15K 29
CEA-LOOK-1% K88-1"OK 29
WA-lOOK-1% R88-10