2024. május 18., szombat

Call for Proposal No. SZTE/2013/PB0243/E Amended! Deadline for submission of offers extended!

The Directorate of Finance and Engineering, University of Szeged (hereafter Inviting Authority) invites candidates to an open procedure for supplying the following product:

Computer controlled 16 channel amplifier system with electrode impedance measuring and current injection for chronic neuronal recording on freely moving animals

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Offer No: SZTE/2013/PB0243/E

Deadline for submission of offers: April 10th, 2013 (3.00 pm)

Estimated Date of delivery: until April 30th, 2013

Short specification of product:

Computer controlled 16 channel amplifier system with electrode impedance measuring and current injection for chronic neuronal recording on freely moving animals

I. Computer controlled 16 channel extracellular amplifier module.

1. Input:

>1012 W, range ±2 V

2. Differential Input:

CMR >70 dB at 1 kHz (tested with 0 W input resistance)

3. Input Capacitance:

10 pF

4. CHANNEL Monitor:

-8V…+7V; +13V in single ended mode

5. HIGHPASS Filter:

single pole, attenuation: -6 dB / octave, corner frequencies (Hz): DC, 0.1, 0.3, 0.5, 1, 3, 5, 10, 30, 50, 100, 300, 500, 800, 1k, 3k; selected by rotary switch

6. HIGHPASS Monitor:

-8V…+7V

7. LOWPASS Filter:

single pole, attenuation: -6 dB/octave, corner frequencies (Hz): 20, 50, 100, 200, 300, 500, 700, 1k, 1,3k, 2k, 3k, 5k, 8k, 10k, 13k, 20k; selected by rotary switch

8. LOWPASS Monitor:

-8V…+7V

9. GAIN:

10, 20, 50, 100, 200, 500, 1k, 2k, 5k, 10k; selected by rotary switch

10. GAIN Monitor:

+1V…+10V

11. Output: range:

±10 V into 1 kW / ±1 V into 50 W

12. Headstage:

MINIATURE HEADSTAGE for FREELY MOVING ANIMALS:

Dimensions: < 24x12x6 (mm)

Weight < 2.5 g

Number of channels: 16 channels for extracellular / LFP recording; additional differential channel for extra/intra and juxtacellular recording and filling;

Tracking LEDs (red and blue colors)

Acceleration sensor with analog output for X-Y-Z axis

Standard 2.5m cable

13. External power supply :

115/230 Volt AC, 60/50 Hz, fuse 1.6/0.8 A, slow

14. Dimensions:

19” rackmount cabinet compatible

II. Computer controlled 16 channel electrode resistance test and current injection module.

1. Resistance measurement:

0.01…10 MW,

2. Resistance measurement display: XX.XX MW

3. Current injection:

0…±280 nA, symmetrical around baseline

4. Current injection display:

XXX nA

5. Output scaling:

1 V / MW or 1 V / 10 nA

6. Output resistance:

50W, range ±10 V

Offers are to be submitted to the following e-mail address in PDF file:

lajkone.takacs.ibolya@gmf.u-szeged.hu

In the heading of the offer please indicate the Description of Product and the Offer Number. The address/Tel/Fax No of candidate and the name of contact person should also be included.

Please indicate the delivery charge and all the other expenses in your proposal.

For further information please turn to the following contact persons:

Ibolya Takacs Lajko foreign sales representative lajkone.takacs.ibolya@gmf.u-szeged.hu

Prof. Dr. Gabor Tamas and Dr. Gabor Molnar technical support gtamas@bio.u-szeged.hu

molnarg@bio.u-szeged.hu

The official language of the procedure is Hungarian, but offers can also be submitted in English language. The Inviting Authority expects offers from suppliers that can guarantee a prompt delivery and have a stable financial background. The Inviting Authority reserves the right to request further information from candidates within 5 working days in writing . Request for further information will be sent to each candidate with a valid offer. Following the submission deadline, the Inviting Authority evaluates the offers and candidates are informed on the result with the least possible delay.

The Inviting Authority reserves the right to cancel the above offer procedure fully or partially, without any justification. The Inviting Authority is not liable for consequences resulted by the withdrawal.

This call for proposal is not to be considered as a contractual commitment undertaken by the Inviting Authority. The call and the full procedure are subject to the Inviting Authority’s internal regulations.