CSA803

The Tektronix CSA803 is a digital sampling oscilloscope that takes two 11800 series plug-in sampling modules. The two left plug-in slots are supplying DC only and are supposed to be used for optical to electrical converters like the SD-48.

Tektronix CSA803

Digital Sampling Scope

Produced from 1990 to (?)

Manuals

– CSA803 –

– CSA803A –

– CSA803C –

(All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

From the specifications of the CSA803C and the 11801C it seems that they are identical, except for omitting the two left plug-ins and adding the trigger ×10 prescaler function in the CSA803.

Key Specifications

Vertical Resolution	8 bits - 25 points/div
Input Sensitivity	2 to 255 mV/div in 1 mV/div steps
Record Duration	10 ps to 50 ms
Record Length	512, 1024, 2048, 4096, 5120 samples
Sample Rate	up to 200 kHz
Jitter	1.1 ps RMS + 4 ppm of position (typical)
Maximum Trigger Input	1 V_p-p direct, 2.5 V_p-p prescaler
Trigger Sensitivity	50 mV, DC − 4 GHz, AC coupled trigger prescaler to 10 GHz

Options

1R − Rack Mount
1T − Provides 38 predefined telecommunication masks (option for CSA803A, standard for CSA803C)
10 − Deletes Prescaler

Prices

1990: $23,950 (2020 value: $47,400)

Links

Fixing a CSA803