| Manufacturer |
Model |
Bandwidth |
Functional? |
Have manuals? |
Have A/C? |
Have the battery? |
Date acquired |
Cost me |
Source |
Status |
Comments |
| BitScope |
BS31100 |
100MHz 1us/ fastest sweep |
Seems to be |
online |
brick |
N/A |
2016-04-09 |
$40 |
De Anza flea market |
probe shot |
Unusually complete for flea market. Difficult GUI |
| Heathkit |
O-10 |
5Mc |
mostly. stiff knobs |
yes |
integral |
N/A |
spring 1976? |
$40 |
HS T.Rader's shop class |
needs knobs freed |
lost Z axis cover. Next bid was $25 |
| Tektronix |
323 |
4MHz |
mostly |
online |
no, weird cord |
no, missing |
2016-04-09 |
$10 |
De Anza flea market |
workable |
Broken capacitor replaced. Ineffective horiz var bypassed. |
| Tektronix |
434 |
24MHz |
dunno yet |
online |
integral |
N/A |
2024-05-19 |
$78 |
West Valley flea market |
trigger level knob plastic missing |
|
| Tektronix |
455 |
55MHz (I hear 50 or 60) |
RIP 2018-01-22, magic HV smoke escaped, but see below |
yes |
integral |
N/A |
1987 |
$90? |
Foothill flea market |
2023-07-31 resurrected w/parts unit from flea mkt |
A2 socket end broken. Realign and secure, check occasionally |
| Tektronix |
455 |
55MHz (I hear 50 or 60) |
Parts unit. Would work OK if HV replaced. May still mine it for parts for mine. |
yes |
integral |
N/A |
2023-06-11? |
$25? |
West Valley flea market |
Plastic case very fragile; taped up. |
|
| Tektronix |
2235 |
100MHz |
yes |
yes |
IEC |
N/A |
2018-03-10 |
$40 |
DeAnza flea market, have seller's card |
recovered |
could cover the 455. TV trigger |
| Tektronix |
2236 |
100MHz |
a little flaky |
yes |
IEC |
N/A |
2024-04-14 |
$20 |
West Valley flea market |
|
after a while, overheats and crowbars, no, that's probably flaky right-angle IEC.. Fan needs lubrication |
| Tektronix |
2246 |
100MHz |
Seems OK. Some usability quirks. |
yes |
IEC |
N/A |
2024-09-09 |
$20 |
West Valley flea market |
May need calibration. |
|
| Tektronix |
2440, low SN |
300MHz |
needs battery replaced |
online |
IEC |
N/A |
May 2015 |
$125 |
ebay |
daily driver |
Had POST errors. Bought for parts for other 2440, but fixed: Cabinet mounted wrong, bad airflow. Probes expensive. |
| Tektronix |
2440, 2402A TekMate |
300MHz |
Works, but TekMate doesn't (Lacks ROMs and CPU, I guess.). Came with boot floppy, though. |
online |
IEC |
N/A |
2024-09-09 |
$20 |
West Valley flea mkt |
new daily driver |
Quicker and cheaper than replacing batteries in existing 2440. |
| Manufacturer |
Model |
Bandwidth |
Functional? |
Have manuals? |
Have A/C? |
Have the battery? |
Date acquired |
Cost me |
Source |
Status |
Comments |
| Tektronix |
2440, high SN |
300MHz |
pretty much |
online |
IEC |
N/A |
2015-04-11 |
$100 |
De Anza flea market |
Sold 2019-08-10 |
Was stone dead, removed rack adapter, add handle, feet, pouch, etc. Needed capacitors and patience. LVPS noise leaked into signals. usable with POST errors |