Tektronix 2235 Operator's Manual

M aximum Safe I np ut V oltage
DC Co u ple d
AC Co u ple d
Commo n - M ode R e j ection R atio

Ι At least 10 to 1 at 80 MH z .
Input Current
Trace S h ift wit h V O LTS/DI V switc h R otatio n
Trace S h ift as VO L TS/DI VV aria b le Control is R otate d
Trace S h ift wit h I n vert
C han nel Isolation
P OSITIO N Control R ange
Α TR IGG ER
Sensitivity
Ρ -
Ρ A
U TO/T
VL I NE
an
dN O RM M o des

10 MHz

60 MHz

100 MHz
( Α T R IG BW Switc h in FULL P ositio n )
Internal

0 .35 d iv .

1 .0 d iv .

1 .5 d iv .
L
owest U seable
F
re que
n
cy
i n Ρ - Ρ A
U TO
M ode

20 H z wit h 1 .0 d ivision internal or 100 m V external .
T V F I EL D M
ode

1 .0 division of com p osite sync .
Β TR
IGG
ER
Se
n sitivity (I n te rn al O n ly)

10 MH z

60 MH z

100 MHz
0 .35 d iv

1 .0 d iv

1 .5 div
ΕΧΤ ΙΝΡ UΤ
Characteristics
Ge n eral I n for m ation-2235 AN/USM-488 Operators
Ta b le 1-1 (con t)
VER TICA L DEFLE CTIO N SYST EM (co n t)
Pe r fo rmance Re qu
i r
e
m
e
n
ts
See F igure 1-1 for derating curve .
400 V ( d c
+
p eak ac) or 800 V ac ρ - ρ to 10kH z or less .
400 V (dc
+ p
eak ac) o r 800 V ac ρ - ρ to 10kH z o r less .
1 .0 ηΑ or less (0 .5 d ivisio n trace s h ift at 2 m Vp er d ivision) .
0 .75 divisio n or less . ( V O L TS/DI V V a r iable co n tr ol i n CA L dete n t) .
1 .0 d ivisio n or less .
1 .5 divisio n o r less .
Greater t han 100 to 1 at 50 MH z .
At least ± 11 d ivisio ns fr om gratic u le ce n te r .
TR
IGG
ERSYST EM
E xternal

Ι
35 m V

Ι

120 m V

Ι

150 m V
HF REJ

Atten u ates signals ab ove 40 KH z (-3 dBp oi n t at 40 KH z
~

± 25%) .
LF REJ

Atte n uates sig n als below 40 KH z (-3 d B p oint at 40 ΚΗτ
~

± 25%) .
M aximum I np ut Voltage
A

400 V (dc
+
p eak ac) or 800 V ac ρ - ρ
(see F igure 1-1 for derating curve) .
I np ut R esistance

1 ΜΩ ±2°/ο .
I np
ut Ca
p acita nce

20 p F ±2 .5 p F .
AC
Cou p led

10 Hz or less at lower -3 d B point .
LEVEL Control R ange
Α TR IGG ER (N O RM)
ΙΝΤ

Can b e set to any p oint of t he trace t h at can be dis p layed .
ΕΧΤ , DC

At lease ± 1 .6 V, 3 .2 V ρ - p .
ΕΧΤ , DC
_
10

At least ± 16 V, 32 V ρ - p .

Tektronix 2235 Specifications

General

Bandwidth	100 MHz
Channels	2
Vertical Sensitivity	2 mV/div to 5 V/div
Maximum Input Voltage	400 V (DC + AC peak)
Rise Time	3.5 ns
Vertical Resolution	8 bit
Input Impedance	1 MΩ || 20 pF
Power Requirements	90 to 250 V AC, 48 to 440 Hz
Trigger Modes	Auto, Normal, Single
Display	CRT
Weight	17 lb (7.7 kg)