Measurement devices


1. Scopes, Siggnal sources

I like old devices and for a long time I worked with them and I also constructed some of them (ocilloscopes, frequency counters, signal generators. But as the time was gone, I couldn't withstand and I bought some of the newer ones. The first two are of that sort and I have a big enjoyment to work with them. Another benefit is more place on the desk.

To achieve the maximal enabled precision with a measurement device a calibration is needed using an accurate and calibrated device or another exact resource. If we have a four digit device or a 0.05% device we don't have automatically also a 4 digit or a 0.05% precision. So it can happen, that although we read 4 digits, one or two least significant digits are "house numbers". But for most practical measurements it would be enough.

click on picture to enlarge it.

UNI-T UTD2102CEL   digital storage ocilloscope (DSO).
100 MHz 1 GS/s 2 channel, max.input sensitivity: 1mV/div with 1:1 probe, 10mV/div with 1:10 probe.
On USB key saved display values as bitmap(BMP) files: waveform, waveform values of this meas.
Bought: April 2012 at TIPA.

Rigol DG-4062   2 channel function / arbitrary waveform generator.
500MS/s, 60 MHz-sinus, 25 MHz-square, 1 MHz-ramp, 15 MHz-pulse. Modulation, sweep, burst,...
Bought: May 2012 at Rekirsch elektronik.

Wobler X1-50

Wobbler-USSR, 1 GHz.


Left: Orion KTS Type TR-4202 Servoscope(Hungary)-tube 100 kHz ?    prepared for Jan H.
Middle up: 2 pieces of H313 (N313) USSR 1MHz, Middle down: own construction 1 MHz.
Right: Saga (C1-94?) Lithuania - 10 MHz.

Oscilloscope CI94

Two C1-94 10 MHz oscilloscopes with some differencies at the front panel and different names.
The older one named Tektronex is from 1985, the newer named Saga from 1994.

Tek 2232 Tek 2232

Tektronix 2232
100 MHz switchable analog - digital 2 channel ocilloscope.

Tek accessories

Tektronix accessories
P6105: 10x, 100MHz, 13pF, 10Mohm.  P6109: 10x, 150MHz, 11.8 pF, 10Mohm.  P6408: Word recognizer.

Tech TE-20D

Tech TE-20D
Signal Generator - USA ?    prepared for Jan H.

Sig.gen. Orion EMG 1162 Sig.gen. Orion EMG 1162 Sig.gen. Orion EMG 1162

Orion EMG 1162 - Hungary    given out to Jan H.
Signal generator.

Function generator

Self made
Function generator, 0-20 MHz with wobbel facility.
Applied: IC MAX038, and a video OpAmp for achieving 50 ohm output imp.
A ready-made freq.counter unit for showing the generated frequency.

Self made
Saw tooth generator for testing circuits 35 Hz-125 kHz (based on viewing the distortion of the saw tooth). Applied: Only transistors and passive elements, without any IC.