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This subsection contains a collection of tables that list the various
that describe the TDS 620A, 640A, & 644A Digitizing Oscilloscope.
Electrical and mechanical traits are included.
Nominal traits are described using simple statements of fact such as Four,
all identical" for the trait Input Channels, Number of," rather than in terms of
limits that are performance requirements.
!*$9;:-+(, * 0 (21< (&, * "/3(1(2(-, 712$+
+$
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Bandwidth Selections 20 MHz, 100 MHz, and FULL (500 MHz)
Samplers, Number of Four, simultaneous
Digitized Bits, Number of 8 bits
Input Channels, Number of Four, all identical (TDS 640A/644A)
Two, all identical (TDS 620A)
Input Coupling DC, AC, or GND
Input Impedance Selections
1Mor 50
Ranges, Offset -*21(4 $22(,&
1 mV/div-99.5 mV/div
100 mV/div-995 mV/div
1 V/div-10 V/div
%%1$2 ,&$
±1 V
±10 V
±100 V
Range, Position ±5 divisions
Range, Sensitivity,
CH 1-CH 4 on the TDS 640A, 644A;
CH1, CH2, AUX1, and AUX2 on the
TDS 620A
1 mV/div to 10 V/div
(1.* 7$# 4$02(" **7 5(2' #(&(2(8 2(-, *$4$*1 1 .$0 #(4(1(-, ,# #(4(1(-,1 #7, +(" 0 ,&$ 5(2' 8--+ -%% (1 2'$
1+ **$12 4-*2 &$ *$4$* "' ,&$ 2' 2 " , !$ 0$1-*4$# !7 2'$ ;!(2 ; -,4$02$0 5(2' 2'$ (,.32 1" *$# 2- 2'$ 4-*21#(4(1(-, 1$22(,& -%
2'$ "' ,,$* 31$# 6.0$11$# 1 4-*2 &$ (1 $/3 * 2- -% #(4(1(-, 2(+$1 2'$ 4-*21#(4(1(-, 1$22(,&
'$ 1$,1(2(4(27 0 ,&$1 %0-+ +#(4 2- #(4 (, 1$/3$,"$ -% "- 01$ 1$22(,&1 $25$$, . (0 -% #) "$,2 "- 01$ 1$2;
2(,&1 2'$ 1$,1(2(4(27 " , !$ %(,$*7 #)312$# '$ 0$1-*32(-, -% 13"' %(,$ #)312+$,2 (1 -% 2'$ +-0$ 1$,1(2(4$ -% 2'$ . (0 -0
$6 +.*$ !$25$$, +#(4 ,# 9+#(4 2'$ 4-*21#(4(1(-, " , !$ 1$2 5(2' + 0$1-*32(-,
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