The Tektronix 7613 is a 100 MHz variable-persistence storage oscilloscope that uses two vertical and one horizontal 7000-series plug-ins. There is also a rack-mount version, the R7613.
In the 76x3 family (7613, 7623 and 7633), the 7613 has the slowest writing speed specification. In storage mode, it is therefore more suited to lower-frequency work, or as a display for spectrum analyzers or sampling plugins.
Project Engineer for the 7613 and 7623 was Bill DeVey under direction of Oliver Dalton. John Durecka did the electrical design. Doug Giesbers, Ed Wolf, and Chuck Davis provided the mechanical design. Aiding the overall design effort were Dave McCullough and Dick Anderson.
|Fastest calibrated sweep||5 ns/Div|
|Stored writing speed||> 5 Div/μs|
|Display||P31 phosphor, 8 × 10 divisions of 0.9 cm (Tek 154-0670-00 tube), 8.5 kV acceleration|
|Persistence||15 seconds at 5 Div/μs, 60 seconds at 1 Div/μs|
|Vertical modes||Left / Alt / Add / Chop / Right|
|Trigger Source||Left / Vert Mode / Right|
|Outputs||Camera power, Vert signal, +Gate, +Sawtooth|
|Line Voltage||100 / 110 / 120 / 200 / 220 / 240 V, ±10%|
|Power||max. 170 W (R7613: 180 W)|
|Weight||13.6 kg / 30 lb (instrument only)|
|Operating Environment||0°C – +50°C, < 15,000 ft|
- Opt.1: Without readout
- Opt.3: Extra EMI shielding
- Opt.5: Line frequency 50-400 Hz
- Opt.6: Spectrum analyzer graticule
- Opt.7: Without Signals Out
The 7613's vertical output amplifier (below s/n 150000) is built around a 155-0080-00 hybrid. Later versions use the same vertical amplifier as used in the 7623A and 7633. Other custom Tek ICs used include 155-0011-00 clock & chop blanking, 155-0022-00 channel switch, and the 7000 series readout system chips.
The 7613 uses a CRT anode voltage of 7 kV, produced by a solid-state voltage multiplier fed by a transformer.
|Mainframe only||Catalog price||$2,500||$2,850||$3,620||$5,330||$8,600|
|Mainframe with 2 × 7A18A, 7B53A||Catalog price||$4,420||$5,005||$6,585||$9,345||$14,680|
- Three kinds of Storage, in Tekscope, July 1972 or @ radiomuseum.org
- Tek 7613 page @ amplifier.cd
- Tek 7613 page @ barrytech.com
Left side - X amplifier (top), Y amplifier (center), power supply (bottom left) and plugin motherboard (bottom center)
Right side - calibrator (far left), storage control (center), readout (right)
Z amplifier and dynamic focus board (top), readout board (center)
Calibrator (left) and storage control boards
V and H amplifier detail
Another 7613 vertical amplifier
vertical amplifier detail
vertical output transistor mounting
Voltage regulator board
CRT neck detail
Comparison of electron guns: Tektronix 7613 (bottom) HP 1741A (top)
geometry alignment with 067-0587-02
geometry alignment, 067-0587-02 in horizontal slot
Some Parts Used in the 7613