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from Tektronix TM500 brochure dated 4/77 | |||||
| DC 501 | DC 502 | DC 503 | DC 504 | DC 505A | |
|---|---|---|---|---|---|
| Number of Digits | 7 | 7 | 7 | 5 | 7 |
| Frequency Range | 110 MHz | 550 MHz | 100 MHz | 80 MHz | 225 MHz |
| Totalize | Yes | Yes | Yes | Yes | Yes |
| Period | No | No | Yes | Yes | Yes |
| Period Average | No | No | Yes | No | Yes |
| Time Interval | No | No | Yes; 1 μs maximum clock rate | No | Yes; 10 ns maximum clock rate |
| Time Interval Average | No | No | No | No | Yes |
| Ratio | No | No | Yes | No | Yes |
| Other | Option 01 FCC Type Approved | Option 01 FCC Type Approved | Time Manual | RPM | Events A During B, single-jack pulse width, dc trigger level out |
| $ |  |
DC501 | 10Hz - 100MHz 300mV p-p | 7 digit | 0.1Hz Resolution (10 Second count) | 7-digit 100MHz Digital Counter | cd tek man | ||
| $ |  |
DC502 | 10Hz - 110MHz, 300mV p-p 1MΩ 50MHz-550MHz ÷10 prescale 500mV p-p 50Ω | 7 digit | 0.1Hz Resolution (10 Second count) | 7-digit 550MHz (w/prescale) Digital Counter | |||
| $16-71 avg 40 |  |
DC503 | dc - 100MHz, 300mV p-p 1MΩ | 7 digit | 0.1Hz Resolution (10 Second count) | 7-digit 100MHz Universal Counter | .. | tek man | |
| $ |  |
DC503A | dc - 125MHz 35mv RMS 1MΩ | 8 digit | 0.1Hz Resolution (10 Second count) | 8-digit 125MHz Counter/Timer | .. | cd tek man | |
| $15-57 avg 32 |  |
DC504 | dc - 80MHz 175mv RMS 1M&$937; | 5 digit | 0.1Hz Resolution (10 Second count) | 5-digit 80MHz Digital Counter | .. | tek man | |
| $ |  |
DC504A | dc - 100MHz 85mv p-p 1MΩ | 6 digit | 0.01Hz Resolution in 1 second interval using PLL (10Hz-25kHz) | 6-digit 100MHz Digital Counter | .. | cd tek man | |
| $ | DC505 | dc to 225MHz 100mv RMS 1Ω | 7 digit | 0.1Hz Resolution (10 Second count) | 225MHz Digital Counter | cd tek man | |||
| $ |  |
DC505A | 7 dig | 225 MHz | 7-digit 225MHz Universal Counter/Timer | cd tek man | |||
| $ |  |
DC508 | 9 dig | 1 GHz | 1 GHz Digital Counter | ||||
| $ |  |
DC508A | 9 dig | 1.3 GHz | 1.3 GHz Digital Counter | cd tek man | |||
| $50-200 ($94) |  |
DC509 | Reciprocal Freq | 8 dig | 135 MHz | 135MHz Digital Counter | |||
| $ |  |
DC510 | calc | 350 MHz | Counter | cd tek man | |||
| $ |  |
DC5004 | 100 MHz Universal Counter/Timer | ||||||
| $ |  |
DC5009 | 135 MHz Universal Counter/Timer | ||||||
| $ |  |
DC5010 | 350MHz Counter, 9-digit | ||||||
DC-500 Series Counters Summary