The Tektronix 7612D is a digitizer that takes two vertical 7000-series plug-ins, typically the digitally programmable 7A16Ps.

Tektronix 7612D
200 MS/s sampler
7612D with 620 Monitor

Produced from 1980 to 1988

Manuals

It has a vertical bandwidth of 80 MHz. The sample rate is 200 Msamples/s. It uses a T7610 tube with an electron-bombarded semiconductor sensor as the digitizer, a form of scan converter.

Key Specifications

Sampling Clock 200 MHz ±0.0035%
Sampling Rate 1 S/s – 200 MS/s
Bandwidth 90 MHz
Resolution 8 bit
Effective number of bits
  • 7.8 @ 300 kHz
  • 6.0 @ 20 MHz
  • 4.0 @ 80 MHz
Memory 2048 8-bit words/channel

Links

Documents Referencing 7612D

Document Class Title Authors Year Links
AX-4401.pdf Article Capture fast waveforms accurately with a 2-channel programmable digitizer Neil A. Robin Bob Ramirez 1980
Tekscope 1980 V12 N2.pdf Article New Products 1980
Handshake spring 1986.pdf Article Digital pulse-echo techniques for advanced composites John L. Cline R.L. Carlsen 1986

See Also

Digitizing

The main advantage of the instrument is the capability of changing the sample rate during digitizing, see the returned raw data of the example pictured below.

Pictures

Components

Some Parts Used in the 7612D

Part Part Number(s) Class Description Used in
151-0232-00 151-0232-00 Discrete component dual NPN transistor 067-0596-00 067-0679-00 067-0690-00 067-0690-01 067-0886-01 067-0886-02 067-0886-03 067-0886-04 067-0886-05 1S2 11B2A 1101 1350 140 1401 1401A 141 141A 142 1420 1421 1422 144 145 1450 146 147 147A 1470 1478 148 148M 1480C 1481C 1482C 1485C 149 149A 176 221 26A1 26G1 26G2 2620 285 3A10 3T2 308 323 324 326 4115B 432 434 4501 4601 4602 4610 4620 4623 4631 4632 4633A 4634 464 465 465B 466 468 4701 492 492A 492AP 492P 494 494P 496 496P 502A RM502A 5030 R5030 5031 R5031 5403 5440 5443 5444 576 5A13N 5A26 5L4N 630 647A R647A 650 650A 650HR 651 651A 651HR 652 652A 652HR 653A 653HR 654 655 655A 655HR 656A 656HR 670 670A 671 671A 690SR R7103 7104 7313 7403N R7403N 7503 7504 7514 7603 7612D 7613 7623 7623A 7633 7704 R7704 7704A 7834 7844 R7844 7854 7903 R7903 7904 7904A 7912AD R7912 7934 7A19 7B51 7B70 7B71 7D13A 7D20 7L12 851 8560 8561 AM501 CG5001 CG551AP DM501A DM502A DM505 FG501 FG503 FG504 FG507 GMA304 M M3 OF150 OF151 OF152 OF235 RG501 SPG1 SPG2 S-51 TSG4
155-0109-00 155-0109-00 155-0109-01 Monolithic integrated circuit trigger 5B25N 5B31 5B40 5B42 5B44 5S14N 7B50A 7B53A 7B80 7B85 7B87 7B81P 7B90P 7S14 7612D SC502 SC503 SC504
203-0175-90 203-0175-90 Monolithic integrated circuit dual strobed voltage comparator 7612D
T7610 154-0784-00 154-0784-01 CRT coding tube 7612D