Philips PM3218 Oscilloscope
Manufacturer:
Model:
PM3218
Date:
1979
Category:
Group:
Description:
35 MHz Dual Channel Oscilloscope

Information

The 35 MHz dual-channel Oscilloscope PM 3218 is a compact, portable instrument, ergonomically designed to facilitate its extensive measuring capabilities. The instrument provides both a main and a delayed timebase with provision for alternate timebase displays, comprehensive triggering facilities including peak-to-peak Auto, DC coupling and automatic TV waveform display. A large 8 x 10 cm screen with illuminated internal graticule lines makes for easier viewing, and a 10 kV accelerating potential gives a high intensity trace with a well-defined spot. A double-insulated Power supply allows the frame ground to be directly connected to floating ground circuits provided that this ground does not carry live potentials. By this means, interference by ground currents, as is frequently experienced with grounded oscilloscopes, is also substantially reduced. The wide range of applications enabled by the above features is further extended by a versatile Power supply that enables the instrument to be operated from different line voltages as well as from d.c. For field operation an optional battery version is also available.

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Datasheet
Manual type:
Datasheet
Pages:
5
Size:
588.09 Kbytes (602209 Bytes)
Language:
english
Revision:
Manual ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
04 February 2017
MD5:
12669a9e86f7ddc36ce3c552bc149977
Downloads:
323
Service and User Manual
Manual type:
Service and User Manual
Pages:
50
Size:
6.25 Mbytes (6555845 Bytes)
Language:
english, german, french
Revision:
Manual ID:
9444 032 18..1 and/or 9499 443 00102
Date:
01 January 1979
Quality:
Scanned document, all readable.
Upload date:
31 July 2020
MD5:
5f8eebd54626916387a82b74bad65a49
Downloads:
10

Information

1. GENERAL INFORMATION 9 1.1. INTRODUCTION 9 1.2. CHARACTERISTICS 10 1.2.1. C.R.T. 10 1.2.2. Vertical or Y-axis 10 1.2.3. Horizontal or X-axis 11 1.2.4. Main time base 11 1.2.5. Delayed time base 11 1.2.6. X Deflection 12 1.2.7. Triggering of the main time base 12 1.2.8. Triggering of the delayed time base 12 1.2.9. Calibration generator 12 1.2.10. Power supply 13 1.2.11. Environmental characteristics 13 1.2.12. Mechanical data 13 1.2.13. Z-mod input 13 1.3. ACCESSORIES 14 1.3.1. Supplied with the instrument 14 1.3.2. Optional 14 1.4. BLOCK DIAGRAM DESCRIPTION 15 1.4.1. Y Channel 15 1.4.2. Main time-base triggering 15 1.4.3. Main time-base circuit 15 1.4.4. Hold-off circuit 15 1.4.5. Z-axis 15 1.4.6. Delayed time-base triggering 16 1.4.7. Delayed time-base circuit 16 1.4.8. Alternate time-base logic 16 1.4.9. Power supply 16 2. DIRECTIONS FOR USE 17 2.1. INSTALLATION 17 2.1.1. Safety regulations 17 2.1.2. Local mains connection and fuse protection 17 2.1.3. Connection to an external supply 18 2.1.4. Front cover and instrument positions 18 2.2. CONTROLS AND SOCKETS 18 2.2.1. Cathode-ray tube and POWER controls 18 2.2.2. Vertical channels 19 2.2.3. Horizontal channel 19 2.2.4. Main time-base generator 20 2.2.5. Delayed time base generator 21 2.2.6. Miscellaneous 21 2.3. OPERATING INSTRUCTIONS 22 2.3.1. Switching on the instrument 22 2.3.2. Preliminary settings of the controls 22 2.3.3. Input coupling (AC/DC, 0) 22 2.3.4. Use of probes 22 2.3.5. Adjustment of attenuator probes 23 2.3.6. Selection of chopped or alternate modes 23 2.3.7. Differential mode 24 2.3.8. Selection of trigger mode 24 2.3.9. Triggering source 25 2.3.10. Time-base magnifier 26 2.3.11. Hold-off 26 2.3.12. XY-measurements 26 2.3.13. Using the delayed time base 26 2.4. PROCEDURES REQUIRED FOR THE REMOVAL OF FUSES, BEZEL AND CONTRAST PLATE 27 2.4.1. Removing the instrument covers 27 2.4.2. Removing the mains transformer 28 2.4.3. Replacing the thermal fuse F101 29 2.4.4. Replacing the fuse F201 29 2.4.5. Removing the bezel and the contrast plate 29 3. SERVICE DATA 75

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