Marconi Instruments TF 2005R Instruction Manual page 50

Af two-tone signal source
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:r
Para.
1
1
2
Fig.
1
2
3
4
5
Circuit
notes
Component values
Symbols
Oscillator
circuit
.
.
.
Chapter
7
SER VICING
DIAGRAMS
CONTENTS
Oscillator feedback network -
c ircuit
.
..
Power
supply - circuit
Step
attenuator
-
c
i
rcuit
...
Input
voltmeter
and
output
matching stage -
circuit
.
CIRCUIT
NOTES
Component values
1.
Resistors
:
No suffix
=
ohms, k
=
kilohms
,
M
=
megohm
s
.
Capacitors :
No suffix
~
mi
crofara
ds,
p
"'
picofarads
.
Inductors
: No suffix
-=
henrys,
m
=millihenrys,
p.
=
microhenrys
.
SIC
:
value
selected
during
test,
nominal
value shown.
Symbols
2.
Symbols
conform
to
BS 3939.
Nov.
79
H 52005
-
301D
Page
3/4
5/6
7/8
9/10
11
/
12
Chap. 7
Page 1/2

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