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Cali bration-7Α 16 Α
Descri p tion
Cali bration oscilloscope
Ti me Base Un it
Stand ard Amp litude
Calibrator
Square-wave Generator
Pulse Generator
Co nstant Amplitude
Signal Generator
Accessor ies
BN C Ca ble
GR Cable
Χ 10 Atten u ator
R C
N
ormalizer
S
H O R T
F
O RM PROC E D URE
T
E ST
E
Q U IPMEN T
M
inim um Specifications
I
Usage
7000-Series oscillosco pe mai nframe.
U
sed
t
hro ughout procedure to
1 . T EKTRONIX 7904 Oscilloscope .
7900-Series re quired to check 7Α16 Α
p
rovide display.
maxi mum bandwidth
a
nd risetime.
2. Any
T
EK TRON IX
7000-Series
oscilloscop es .
C h ec k
S
pecifications
for bandwi dth and risetime.
7A-Series timebase unit . Swee p speed
U
sed
t
hro ughout
p
rocedure to
1 . T EKTRONIX 71370 Time Base or
to 2 ns/div.
provi de horizontal swee p .
equivalent .
Am plitude accuracy, with in 0 .25% ;
U
sed for gain cali bration only .
1 . T EKTRONIX Calibratio n fixt ure
signal amplitud e, 20 mV to 20
V ;
Ι
067-0502-01 .
frequency, 1 kH z square-wave.
Outpu t Ca pabilities: 12 V into 50 Ω
U
se d fo r
I
nput Compensation
1
. TEK TRONIX Ty pe 106 Squ are-
with α risetime of at least 12 πs and α
and Low Frequ ency Compen-
wave Generator .
frequency of app roximately 1 kH z;
sation only .
500 mV i nto 50 Ω with α riseti me of
at least 1 ns at 100 kHz.
Riseti me
of
at
least 70
p
s, step
U
sed
fo
r
H igh
Frequ ency
1 . TEK TRONIX
Type
284
Pulse
am plitu de of 200 mV into 50 Ω .
Comp ensation only .
Generato r.
U
pper frequency
range, 225 MHz;
U
sed
fo
r
Ban dwidth
c
h eck
1
. TEK TRON IX Calibration Fixture
reference frequ ency, app roximately
only .
067-0532-01 .
3 MHz; co nstant amplitud e accuracy,
withi n 2% of reference freq uency ;
am plitude range, 0.5 V to 4 V Ρ- P.
Connectors, BN C ; le ngth, 42 i nches . Ι
U
sed
t
hrough out
p
roce dure .
E
xamples of Applicable
Test Equipment
Co n nectors, G R ; Impedance, 50 92 ;
U
sed
fo
r
H igh
F requ ency (
T
EK T R O N IX
P a r t
Nu mb er
lengt h, approximately 20 i nches .
Comp ensation
an d
Risetime
017-0515-00 .
only .
Co nnectors, G R ; I mp edance, 50 E2 .
U
se d
t
h ro u g h o u t
t h e Ι
T
EK T R O N IX
P a r t
N
um ber
proce dures .
017-0078-00 .
Time
Constant,
1 ΜΩ
Χ
20 pF ;
U
sed fo r
I
nput Compensation .
TEKTRONIX
Part
Number
connectors, BN C ; attenuatio n, 2Χ.
Ι
067-0583-00 .
Terminatio n (t hru line)
Im pedance, 50 Ω ; connecto rs, GR to
U
sed
t
hro ughout
p
rocedures.
TEKTRONIX
P a r t
Numb er
BN C male.
017-0083-00 .
B
alance
Gain
1 . Chec k/A dj ust DC ΒαΙ (8160) vertical
d
eflectio n of
~/ 4. A dj ust GAI N control (R 516) to obtain α
d
is play of
0.2
d
ivision or less wh ile switchi ng
b
etween +U Ρ and
exactly five vertical
d
ivisions when
t
h e
V
OLTS/DIV
I
NVER T.
switch is set to 5 mV an d
t
he stan dard am plitu de
calibrator is set to 20 mV sq uare-wave out.
2. Chec k /A dj ust 2Χ ΒαΙ (R453) for vertical
d
eflection
of 0.2
d
ivision or less while switching
b
etween 5 mV
5
. Chec k/Adjust 2Χ Gain control (R413) to obtain α
an d 10 m V .
d
is play of exactly four vertical divisions w h en th e
V
O LTS/DI V switch is set to 10 m V an d
t
h e stan dar d
am plitu de cali brator is set to 50 m V
s
quare-wave out.
3. Chec k/Ad j us t
V
ar ΒαΙ ( R 553) for vertical
d
eflection
of 0.2
d
ivision or less w hile rotating the
V
AR IA BLE
control throug h out t he range.
~/ 6. Chec k all
V
OLTS/DIV switch settings : W it hin 2°/ ο.
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