Wavetek 188, Инструкция по эксплуатации

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VCO - Voltage
Controlled O
......
tor
Up to
1000 :
1
frequency change
(linear mode)
o
r
up to
10,000:1
change (logarithmic mode) with
external
0 to
±
4V
signal. Upper and lower frequencies
limited to
maximum
and minimum of
selected
range.
Slew
Ra t e :
2%
of range
per P.s
(linear):
0
to 100% of
range
in
20
ms
(logarithmic).
Linearity :
±
0.5% through
x
100K
range:
±
2% on
x
1M range.
Input Impedance :
2 kO.
Sw
..
p
Main
generator Is frequency modulated by Internal
sweep generator. Main generator frequency
repeated
ly
rises from
frequency set
by dial
and range
button
to frequency set
by
sweep stop knob .
Sweep
Mode :
Linear (3
decades
max)
or
logarithmic
(4 decades max).
SWeep Rate: 30
ms
to 1 min.
(nominal) continuously
adjustable.
Sweep
W i dth : Up
to 1:1000
(linear)
or
1:10,000
(logarithmic) continuously
adjustable.
Sw •• p
Output
Ramp waveform output with 4V peak Into open
circuit.
Source
impedance
600 0 . For use
as
a horizontal drive
signal.
Trigger and Oate
Input:
TIL compatible
leve l s .
Pulse
WIdth:
50
ns
minimum.
Repetition
Rate:
4
MHz maximum.
1.2.2
Frequency
Prwcla'on
D", Accuracy
±
5% of full scale .
Time
Symmetry
Square
wave variation from 0.2 to 4.0
on
dial
less than :
± 1 % to 100kHz;
±
5% to 4 M H z .
1-2
1.2.3
Amplitude
Prwc'alon
Sine variation
with frequency less
than :
±
0.2 dB on
all
ranges through
X
lOOK;
±
1.0 dB to 4 M Hz .
,
1.2.4
Waveform
Characterlltfca
Sine
Dlatortlon
Less
than :
0.5% on
x
1 K and
x
10K ranges; 1 % on
x
1 ,
Xl 0,
X
100
and
x
lOOK ranges. All harmonics
25 dB
below
fundamental on x 1 M
range.
Triangle
Linearity
Greater
than
99% to 200 kHz.
Squa,.
Wive Ala.
and Fall Time
At
HI
output,
less
than
50
ns
for 10 V� output Into
50Q
termination.
1.2.5 Oen.,.,
Envlronmenta'
Specifications apply at 25°C
±
5°C .
Instrument
will
operate
from O·C
to
50°C ambient
t em per atu r es .
Dlmenllonl
28.6
cm (1 1
v..
in.)
wide;
8 . 9
em
(3% in.)
high;
26.7
(10Y2 In . ) deep.
Weight
2 . 7 kg (6 Ib)
net; 4.5
kg (10 Ib) shipping.
Pow.r
90 to 128V
or
198
to 264V
(specify);
48 to 66 Hz; less
than 15 watts.
NOTE
All specifications aPPly for dial between 0.2
and 4 . 0, ' amplitude at 10 Vir/) from Hlout­
put into 500 termination.
Scans by ArtekMedia
=>
2011