TTI LISN 1600 Instruction Manual Download | Manualshive

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Book Part No. 48511 - 0250 Issue 2

Thurlby Thandar Instruments Limited

Glebe Road, Huntingdon, Cambridgeshire. PE18 7DX England

Telephone: 01480 412451 Fax: 01480 450409

LISN 1600

Line Imperdance Stabilisation Network

Instruction Manual

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Summary of Contents for LISN 1600

Page 1: ...8511 0250 Issue 2 Thurlby Thandar Instruments Limited Glebe Road Huntingdon Cambridgeshire PE18 7DX England Telephone 01480 412451 Fax 01480 450409 LISN 1600 Line Imperdance Stabilisation Network Inst...

Page 2: ...equirements to impose compliance with these standards on manufacturers of electronic equipment These standards divide the EMC behaviour of a piece of equipment into four categories Conducted emissions...

Page 3: ...tificial Hand Network 220 pF 500 Max applied voltage 15 V dc rms Measurement Circuit Connector 50 BNC on front panel Max applied voltage 7 V dc rms Attenuation 0 5 dB nominal calibration factor 5 dB a...

Page 4: ...ed in accordance with the specific provisions of local wiring regulations relating to such equipment The leakage current can reach 1 6 Amp so a secure safety earth connection is vital for safe operati...

Page 5: ...r chemical corrosion the safety protection may be impaired and the apparatus should be withdrawn from use and returned for checking and repair Earthing WARNING HIGH EARTH LEAKAGE CURRENT APPARATUS The...

Page 6: ...ked regularly It is strongly recommended that users should establish a formal procedure for the regular conduct of these checks Fusing The LISN contains no internal overload protection for the unit un...

Page 7: ...standards organisations in most countries of the world In Europe the various national standards previously used have been replaced by a common set of harmonised standards following the publication and...

Page 8: ...ectrum analyser Provides a defined impedance to the interfering signals looking into the supply port independent of the impedance of the supply mains The outline block diagram shows how these function...

Page 9: ...measuring receiver to minimise dynamic range limitations caused by intermodulation This filter precedes the limiter so it also further improves the protection against large low frequency signals causi...

Page 10: ...bove the noise floor in order to obtain the best overload margin At each point select L1 and L2 alternately and take the higher of the two readings Some measuring systems can do this automatically if...

Page 11: ...centre conductors of the BNC sockets A mating ground pin is attached directly to the metal plate This construction results in the shortest possible transition from the coaxial environment into the LI...

Page 12: ...LISN in measuring interference signals with a source impedance that may be substantially different from 50 The graphs on page 16 of this manual show the nominal input impedance and transmission loss...

Page 13: ...n the network PCBs carry the proper X2 or Y rating for mains circuit applications Front Panel PCB The front panel PCB carries the 50 signal processing circuits SW1 in conjunction with the two relays s...

Page 14: ...he knobs off the switch shafts and undo the 3 nuts on the switch bushes and the nut from the BNC connector The front panel PCB can now be pulled back from the panel Take care not to lose the spacers f...

Page 15: ...s Surge Arrester 90V 5kA 23386 0020 L1 Choke 250UH LISN 22154 0060 L2A B C D Inductor Section LISN 12 turns 22152 0060 R1 3 4 Resistor 10RJ 11W WW CER KH216 23287 0100 R2 Resistor 330KF W75 MF 100ppm...

Page 16: ...0130 R1 8 20 Resistor 200RF W75 MF 100ppm 23209 1200 R9 10 Resistor 100RF W75 MF 100ppm 23209 1100 R11 12 13 14 Resistor 390RF W75 MF 100ppm 23209 1390 R15 Resistor 330RF W75 MF 100ppm 23209 1330 R16...

Page 17: ...175 0140 Mains Lead 16 AMP EURO Germany France 22491 0220 Cable Bush Liquid Tight M20x1 5 22448 0230 Fixing Nut M20x1 5 for cable bush 0230 22448 0231 LISN1600 Case Parts Foot Poly E Black P2629 20662...

Page 18: ...ency of 50 50 H 5 CISPR 16 Network showing nominal value and 20 limits 1 kHz 10 kHz 100 kHz 1 MHz 10 MHz 100 MHz 1 10 100 1 kHz 10 kHz 100 kHz 1 MHz 10 MHz 100 MHz 6 5 4 3 2 1 0 Ohms Transmission Loss...

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