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{| class="wikitable" style="float:right; margin-left: 15px" | {| class="wikitable" style="float:right; margin-left: 15px" | ||
|+ The last two digits of the 155-0078-xx part number are determined by a selection process after manufacture | |+ The last two digits of the 155-0078-xx part number are determined by a selection process after manufacture: | ||
! Suffix !! Speed !! DC Charact. !! Replaceable by | |||
! | |||
|- | |- | ||
| 00 || Fast || Best || ---- | | 00 || Fast || Best || ---- | ||
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</blockquote> | </blockquote> | ||
{| class="wikitable" | :{| class="wikitable" | ||
|+ | |+ Test criteria defining the various grades of M84: | ||
|- | |- | ||
| Displayed Risetime < | | Displayed Risetime <355 ps || -00 and -10 || -01 and -11 || -02 and -12 || -03 and -13 | ||
|- | |- | ||
|Displayed Risetime 355- | |Displayed Risetime 355-410 ps || -04 || -05 || -06 || -07 | ||
|- | |- | ||
|Normal Offset (RTO) || < | |Normal Offset (RTO) || <14 mV || <14 mV || <28 mV || <14 mV | ||
|- | |- | ||
|Invert Offset (RTO) || < | |Invert Offset (RTO) || <14 mV || <14 mV || <28 mV || <14 mV | ||
|-|| | |-|| | ||
|HFE of Q1 and Q2 || 70-250 || 70-250 || 50-400 || 70-250 | |HFE of Q1 and Q2 || 70-250 || 70-250 || 50-400 || 70-250 | ||
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|Invert Gain || 2.68-2.96 || 2.68-2.96 || 2.68-2.96 || 2.68-2.96 | |Invert Gain || 2.68-2.96 || 2.68-2.96 || 2.68-2.96 || 2.68-2.96 | ||
|- | |- | ||
|Null Offset (Gain = 0) || | |Null Offset (Gain = 0) || 10 mV || no spec || no spec || <30 mV | ||
|- | |- | ||
|Null Gain (Test of Q3 and Q4) || | |Null Gain (Test of Q3 and Q4) || 14 mV || no spec || no spec || <14 mV | ||
|- | |- | ||
|50% Gain || 0.49-0.51 || no spec || no spec || 0.49-0.51 | |50% Gain || 0.49-0.51 || no spec || no spec || 0.49-0.51 | ||
|- | |- | ||
|Off Feedthrough || <0. | |Off Feedthrough || <0.2 mV || <0.2 mV || <0.2 mV || <0.2 mV | ||
|- | |- | ||
|Normal Hump Voltage || <2. | |Normal Hump Voltage || <2.5 mV || no spec || no spec || no spec | ||
|- | |- | ||
|Invert Hump Voltage || <2. | |Invert Hump Voltage || <2.5 mV || no spec || no spec || no spec | ||
|} | |} | ||