Item No.*26 : Lock-in Amplifier

Transcription

1 Item No.*26 : Lock-in Amplifier A. AB : Specifications of high frequency DSP lock in amplifier: Signal Channel Voltage input: Single-ended BNC Input impedance: 50Ω or 1 MΩ + 30 pf Damage threshold: ±5 V (DC + AC) Bandwidth: 25kHz to 200 MHz Sensitivity: <1 MHz 100 nvrms to 1 Vrms full scale <50 MHz 1 µvrms to 1 Vrms full scale <200 MHz 10 Vrms to 1 Vrms full scale Gain accuracy: <50 MHz ± 0.25 db <200 MHz ± 0.50 db Gain stability: 0.2 %/ C Coherent pickup: Low noise reserve, sensitivity <30 mv f < 10 MHz <100 nv (typ.) f < 50 MHz <2.5 µv (typ.) f < 200 MHz <25 µv (typ.) Input noise (50 Ω): 1 nv/ Hz (typ.), 8 nv/ Hz (max.) Input noise (1 MΩ): 5 nv/ Hz (typ.), 8 nv/ Hz (max.) Dynamic reserve: up to 80 db Reference Channel

2 External reference: Input: Impedance: Level: Pulse width: Threshold setting: Acquisition time: 25 khz to 200 MHz 50 Ω or 10 kω + 40 pf 0.7 Vpp pulse or 0 dbm sine >2 ns at any frequency Automatic, midpoint of waveform <10 s (auto-ranging, any frequency) <1 s (within same octave) Internal reference: 25 khz to 200 MHz Frequency Resolution: Frequency accuracy: Harmonic detection: 3 digits ±0.1 in the 3 rd digit 2F (50 khz to 200 MHz) Reference outputs: Phase locked to Int. or Ext. reference Front panel ref output: Rear panel TTL output: Phase resolution: 0.02 Absolute phase error: <50 MHz <2.5 <100 MHz <5.0 <200 MHz <10.0 Rel. phase error, orthog: 25 khz to 200 MHz square wave, 1.0 Vpp nominal into 50 Ω 25 khz to 1.5 MHz, 0 to +5 V nominal, 3 V into 50 Ω <2.5

3 Phase noise (external): Phase drift: <10 MHz <0.1 / C <100 MHz <0.25 / C <200 MHz <0.5 / C Demodulator Zero stability: Time constants: rms at 100 MHz, 100 ms time constant Digital displays have no zero-drift. Analog outputs have <5 ppm/ C drift for all dynamic reserve settings. 100 µs to 30 ks with 6, 12, 18 or 24 db/octave rolloff No Filter mode: 10 to 20 µs update rate (X and Y) Harmonic rejection: Odd harmonics: -9.5 ref, -14 ref, etc. (20log 1/n where n = 3, 5, 7, 9...) Even harmonics: <-40 dbc Sub-harmonics: <-40 dbc Spurious responses: -10 ref ± 2 IF Displays Channel 1: Type: -23 ref ± 4 IF <-30 dbc otherwise 4½-digit LED with 40-segment bar graph Quantities: X, R [V or dbm], X-noise, Aux In 1 Channel 2: Type: 4½-digit LED with 40-segment bar graph Quantities: Y, Θ, Y-noise[V or dbm], Aux In 2 Expand: 10 or 100 for Ch1 and Ch2

4 Ratio: Reference: Type: Quantities: X and Y ratioed with respect to Aux In 1 or Aux In 2 before filtering and computation of R. The ratio input is normalized to 1 V and has a dynamic range greater than ½-digit LED Reference Frequency, Phase, Offsets, Aux Out, IF Frequency, Elapsed Time Channel 1 and Channel 2 Outputs Voltage range: Update Rate: X, Y: 48 to 96 khz R, Θ, Aux inputs: X-noise, Y- noise: ±10 V full scale proportional to X, Y or CH1, CH2 displayed quantity 12 to 24 khz 512 Hz Auxiliary Inputs and Outputs Inputs: 2 Type Range Resolution Bandwidth Outputs: 2 Range Resolution Data Buffers: General Differential, 1 MΩ ±10 V 0.33 mv 3 khz ±10 V 1 mv Two 16,000 point buffers. Data is recorded at rates up to 512 Hz and is read using the computer interfaces. Interfaces: Power: IEEE and RS-232 interfaces are standard. All instrument functions can be controlled and read through the interfaces. 70 W, 100/120/220/240 VAC, 50/60 Hz

5 B. DKD : Specifications: Lock-in amplifier Voltage inputs: Single ended or differential Sensitivity: 1 nv to 1 V (voltage input) 1 fa to 1 µa (current input) Operating frequency range: 1mHz to 2MHz Gain accuracy Noise Harmonic distortion CMRR Dynamic reserve Harmonic detection Time constants Data display Aux outputs Aux inputs Interfaces USB flash ±1 % (<200 khz), ±2 % (to 2 MHz) 2.5 nv/ Hz at 1 khz, ~10 nv/ Hz at 10 Hz -80 db (<100 khz), -60 db (>100 khz) ~90 db at 1 khz ~120 db Detect at N fref, where N 20 1µs to 30 ks Touchscreen data display chart recordings and display, FFT calculation and display 4 BNC D/A outputs, ±10 V, 1 mv resolution 4 BNC A/D inputs, ±10 V, 1 mv resolution IEEE488.2, RS-232, USB device and Ethernet. slot for USB flash storage of screen shots and data Voltage controlled current source: Current range: 100fA to 100mA Voltage compliance: 50V Gain: 1 na/v to 50 ma/v, gain accuracy: better than 1.5%, Gain drift: 200 ppm/ C Offset: 3 mv Noise density 10nA/ Hz at maximum current DC output resistance: Ω Transformer preamplifier Input noise: 0.1 nv/ Hz Gain: 100 or 500 Mode: Single-ended and differential Source impedance: 0.05 Ω to 1 kω Output: Single-ended or differential CMRR >120 db below 1 khz Frequency response: 0.1 Hz to 40 khz Output impedance: >5 kω (Transformer only) <1 Ω (Transformer and buffer)

6 The transformer preamplifier and voltage controlled current source should be compatible with the Lock-in amplifier Accessories: Shielded GPIB Cables

7 NOTICE INVITING TENDER No. 01/ dt due on at hrs. Director, UGC-DAE Consortium for Scientific Research, Indore invites separately sealed bids from eligible bidders for supply of the following: Sl. No. Description of Item Two Parts Tender Items *1. Water Chiller for Helium Gas Compressor *2. Helium Gas Cylinders *3. Mass Flow Meter for helium gas *4. Stabiliser 300 KVA *5. Helium Gas Recovery Compressor *6. Helium Gas Bags *7. UPS System *8. Dewars *9. Flexible Liquid Helium Transfer Line *10. Stirlin 4 Cryo Generator *11. Dilution Refrigerator *12. Liquid Nitrogen Plant *13. Objective lenses *14. Probe Station *15. Temperature Controller * nm Laser Source and interface filter for Raman Spectrometer *17. Scanning Electron Microscope *18. Dual Beam Scanning Electron Microscope *19. Vacuum Pumps *20. X-Ray Scintillation Detector *21. Motorized Cross slits for X-ray and x-y-z sample positioning stages *22. Water Chiller *23. Vacuum Compatible Silicon Drift Detector *24. Intensity and frequency stabilized He Ne Laser for MOKE *25. High Temperature Tubular Furnace *26. Lock-in Amplifier *27. 16T Wet Superconducting Magnet *28. Current source, Nano-Voltmeter. Electrometer *29. High Precision Capacitance Bridge *30. Tri Arc Furnace for making high purity intermetallic compound *31. Manual Wire Bonder *32. Research Based Microwave Synthesizer *33. Laser Diode Module *34. High Frequency Function Generator *35. Interferometry displacement Sensor Cryogenic temperature *36. LCR Meter

8 *37. Source measure unit *38. Table Top Lithography System *39. Lorentz Objective Lens for Tecnai-G2-20 *40. Advance Ferroelectric AC Loop Tracer *41. 1-Slot multiplexer scanner for switching AC signals for capacitance measurement *42. UHV Chamber *43. Experimental Station for in-situ XAS measurements *44. Low Energy Electron Diffraction (LEED) *45 Electron beam evaporator *46. Sputter ION source *47. Z-only liner translator for UHV *48. Cleaver *49. Ultrasonic Transducers and Receiver *50. UHV Vacuum Gauge Controller *51. 1 Cathode for Magnetron Sputtering System *52. Piezometer *53. Air Conditioners *54. XMCD Experimental Alignment Stand *55. Helium Leak Detector *56. Substrate Heater for IBS System *57. 16T Magnet *58. 4-Circle X-Ray Diffraction System and lane setup *59. IR Furnace for single crystal growth 60. Pure Helium Gas 61. High Purity Chemicals 62. Targets and substrates 63. UHV Components 64. Mossbauer Source Single Part Tender Items a. Cost of the Tender Document: Rs. 200/- (Non-Refundable) for each item, payable by demand draft in favour of UGC-DAE CSR payable at Indore, b. Detailed tender document can be obtained in person, by post from Administrative Officer-I (Purchase & Stores Section), UGC-DAE CSR, Indore (address given above) after paying the cost of the tender document. The details of the tenders are also available on our website c. The Tender Document can also be downloaded from our website In case the Tender Document is downloaded from the website, the cost of Tender Document is Rs. 200/- for each item shall be payable by Demand Draft in favour of UGC-DAE CSR payable at Indore in separate envelope along with the tender. The tenderer must submit the tender cost along with the tender. The tenders, if received without tender cost, will not be considered. d. If any overseas suppliers participate in the tender directly (Who does not have Indian Agent or Branch Office in India), then the cost of the tender documents may be waived. e. Starred (*) Items must be quoted in two separate sealed parts (Part A-Technical and Part B-Financial).

9 f. Tender document will be available from to on all working days - Monday to Friday (10.00 AM to 4.00 PM). g. These items can be shifted in any laboratory of the consortium in the country. Administrative Officer-I (Purchase & Stores Section)

10 Terms and Conditions 1. Tender in sealed cover duly superscribed "Tender No.. dt. due on..for.. item.. " complete with all details, otherwise tender may not be opened/considered. If you are interested to quote more than one items, you shall submit the quotations in sealed cover separately. (*) items as mentioned in the Tender No. No. 01/ dt due on at hrs. must be quoted in two parts (Part A-Technical and Part B-Financial). The two parts show separate sealed covers. 2. Price should be quoted CIP / CIF Mumbai & Insurance up to Indore separately (As per INCOTERMS 2010). In case of local firms they should quote for delivery in premises of this office. 3. Director, UGC-DAE CSR, Indore, reserves the rights of accepting in full or part /not accepting the tenders without assigning any reasons. 4. The acceptance of tender, will rest with the Director, UGC-DAE CSR, Indore, who does not bind himself to accept the lowest tender and reserves to himself the authority to reject any or all of the tenders received without assignment of any reason. 5. Delivery period must be mentioned. 6. The tender shall remain open for acceptance for a period of 90 days from the date of receipt. 7. The decision of the Director, UGC-DAE CSR, Indore, shall be final in all the cases. 8. Director, UGC-DAE CSR, Indore, shall not be liable for postal delays. The incomplete tenders or the tenders received after due date will not be considered. 9. Quote your offer along with literatures/catalogues, if any. 10. We are exempted from the excise duty. The excise duty exemption certificate is issued by Department of Science & Industrial Research (DSIR), Govt. of India, New Delhi under Notification No. 10/97-Central Excise dt. 1 March Our Registration No. is F.No.11/375/99-TU-V dtd. April 1, 2013 & valid up to Price should be quoted exclusive of Customs Duty. This institution will take care of Customs Duty. 12. Sales Tax / VAT must be quoted separately. 13. No claim for any tax or duty, not stipulated in the tender will be admitted at any stage. 14. The tenderer should furnish the users list where similar equipment has been supplied recently. 15. Special care should be taken to write the rates in figures as well as in words. No overwriting be done on the rates and units. Arbitration: in connection with the present contract shall be finally settled under the Rules of conciliation and arbitration of the 16 International Chamber of Commerce should be replaced by between both parties in connection with the CONTRACT which cannot be settled amicably shall be exclusively & finally settled by Arbitration under the rules of conciliation and arbitration of the International Chamber of Commerce, Mumbai by one or more Arbitrators appointed in accordance with the said Rules. No deviation from the stipulated terms and conditions will be allowed. Tenders should be unconditional The equipment should be warranted for 12 months from the date of commissioning / installation. 19. It will be obligatory on the part of the tenderer to sign on your offer. 20. Subject to Indore Jurisdiction. 21. For Imported goods, the payment will be made through Letter of Credit or after receipt of goods by Wire Transfer. No advance payment will be made. 22. For Indigenous goods no advance payment will be made. 23. The Performance bank guarantee must be provided till the warranty period. 24. The last date for submission of the tender documents is up to hrs. Tender will be opened on at hrs. Tenderer (s) / authorized representative(s) may attend on the opening of the tender bids.