Jameco Part Number 20685
(JE2206)
Function Generator Kit
GENERAL DESCRIPTION
The 20685 (JE2206 Function Generator Kit) is a
single-board assembly incorporating the basic
circuit necessary for a sine, square, and triangle
wave generator, of high stability and accuracy that
may be amplitude and frequenc
k
it is intended to be incorporated into a higher
as
sembly of the user's own design that adds power
sup
ply controls, and housing.
,
•
Operati
ng from either a +12VDC or +/-
6VDC @ 15mA power source
•
Freque
ncy capability: +1 to 100KHz in 4
ranges
•
Frequency variability: 1:100 within each
range
• Frequency accuracy dependent upon
timing capacitors and user's potentiome
(calibration by user)
• Sine / triangle output amplitudes variable,
0 to 6Vp-p for sine and 0V to V
triangle, with 600Ω source impedance
•
Maximum sine wave distortion: 1% 10
10kHz; and 3% 10 to 100kHz
•
Linear freque
ncy modulation capability
range dependent on center frequency
•
Linear amplitude modu
range
55dB
• Oth
er
criteria as
functi
on gen
erato
y modulated. The
+/- for
lation capability,
determined by Exar 2206
r IC
Component Part
Reference
IC1
C1, C2, C7
C3
C4
C5
C6
R1
R2
R3, R7
R4
R5, R6
R8
R9
R10
R11
External Com
R12
R13
ter
S1
S2
to
Recommended power supply kit if using
split power supply configuration:
Jameco Part Number 20626 (JE21
A
djustable power supply kit.
Descrip
tion
Numb
er
34972
IC Function Generator
XR2206
10882
Electrolytic Capacitor,
AXIAL, 10uF @ 50V
27001
Mylar capacitor, non-
polarized, 1uF @ 100V
(1K)
26956
Mylar capacitor, non-
polarized, 0.1uF @
100V (104)
26884
Mylar capacitor, non-
polarized, 0.01uF @
100V (0.01)
26833
Mylar capacitor, non-
polarized, 0.001uF @
100V (102)
691219
1/4W Resistor, 30k
(orange-black-orang e)
691340
1/4W Resistor, 100k
(brown-black-yellow)
690865
1/4W Resistor, 1k
(brown-black-red)
691091
1/4W Resistor, 9.1k
(white-brown-red)
691032
1/4W Resistor, 5.1k
(green-brown-red)
690734
1/4W Resistor, 300Ω
(orange-black-brown)
42981
Potentiometer, 1M (105)
42964
Potentiometer, 1k (102)
35511
Potentiometer, 25k (253
134341
22AWG black hook up
wire
2278583
JE2206-1 PC Board
Assembly Instructions
ponen
ts
255434
Potentiometer, 50k Pane
Mount
255469
Potentiometer, 1M Panel
Mount
101574
Rotary switch, 1 layer,
2P6P
22833
SPDT mini toggle
switch, MTS-102-F1
Qty.
1
3
1
1
1
1
1
1
2
1
2
1
1
1
)
1
1
1
1
l
1
1
1
1
a
5) -
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