336

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The Sony/Tektronix 336 is a 50 MHz dual-trace dual-timebase portable digital storage scope with a full-bandwith analog mode. It represents the highest end model of the 300 series of portable scopes.

The carrying handle doesn't have fixed detents like many other Tek handles. Instead, it is friction-based. The friction between handle and case may be adjusted by screws hidden underneath the plastic side caps. With correctly adjusted friction, the handle can be rotated and will stay in any position, allowing positioning the 'scope at a convenient angle.

A removable accessory pouch is screwed onto the top for probes and cables.

GPIB is an option (01) and brings extra waveform memory as well. Standard and extended memory are volatile and (presumably) capacitor or battery backed SRAM ("Data retention: At least 3 days after 8 hours of operation").

Waveform acquisition is frame-based. Additional memory allows to store more frames, but not longer waveforms. The digitizer works at 1 MS/s with approx 140 kHz of real-time bandwidth. Equivalent time sampling is supported, extending digital storage bandwidth to 50 MHz. Analog bandwidth is always 50 MHz.

X-Y mode with 1 MHz bandwidth. Phase difference is less than 3° to 50 kHz.

The 336A successor has an increased sampling rate of 20 MS/s, autosetup for time and voltage (i.e. horizontal and vertical), more memory and 8 setup storage locations. It was offered at the same catalog price as the 336.

Key Specifications

Bandwidth	50 MHz in analog or digital equivalent sampling modes, ~140 kHz in real-time digital mode
Deflection	5 mV/Div to 10 V/Div in 1–2–5 sequence
Input impedance	1 MΩ
Maximum input	200  VDC + Vpeak / 200 Vp-p AC
Sweep	0.2 s/Div to 0.1 µs/Div in 1-2-5 sequence, ×10 magnifier down to 10 ns/Div, variable to ×2.5. Roll mode beyond 0.2 s/Div
CRT	P31 phosphor, 8 × 10 divisions of 0.6 cm; 12 kV acceleration voltage
Vertical modes	Ch 1 / Ch 2 / Chop / Dual / Trigger view (only in store mode)
Trigger Source	Ch 1 / Ch 2 / Internal / Composite (video?) / External
Inputs	Z Axis
Outputs	Chart output (500 mV/Div), calibrator (0.3 V ± 1 %, 1 kHz)
Line Voltage	90–132 V, 180–250 V, 48–440 Hz
Power	Max. 50 W
Weight	5 kg
Operating Environment	0°C – +55°C, < 4,000 m

Pictures

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