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Pico-Ammeter


  • NOTE: Facility for online Application for transfer of technology would be available soon...
PCB of Pico-Ammeter

1 PCB of Pico-Ammeter

A dual channel Pico-ammeter based on DDC112 is developed and available for transfer to Industry. The meter is capable of measuring 1pA to 1.8µA current in continuous mode. The meter is auto-calibrated using internal charge injection mechanism that measures a fixed charge of 13pC. Auto ranging facility has also been implemented.


PCB of Pico-Ammeter

1 PCB of Pico-Ammeter

A dual channel Pico-ammeter based on DDC112 is developed and available for transfer to Industry. The meter is capable of measuring 1pA to 1.8µA current in continuous mode. The meter is auto-calibrated using internal charge injection mechanism that measures a fixed charge of 13pC. Auto ranging facility has also been implemented.


PCB of Pico-Ammeter

1 PCB of Pico-Ammeter

A dual channel Pico-ammeter (Figure 1 & 2) based on DDC112 is developed and now available to Industry for transfer of technology. The meter is capable of measuring 1pA to 1.8µA current in continuous mode. Using only the internal capacitor of the IC the meter can measure current from 1pA to 614nA with 0.1% FSR accuracy (Table 1). The measured current of the channels are displayed on a LCD. The meter is auto-calibrated using internal charge injection mechanism that measures a fixed charge of 13pC. Auto ranging facility has also been implemented. A VB based GUI (Figure 3) provides remote connectivity through serial interface and the data transfer rate is 11.52 Kbps. The meter supports continuous measurement and data logging at the rate 1.8K samples per second. The performance analyses in the range of pico-ampere to micro-ampere are shown in Figure 4 and Figure 5.

Laboratory Prototype of Pico-Ammeter


Fig. 1. Block Diagram of the Pico-Ammeter


Fig. 3. Screen-Shot of the GUI

Table 1. Brief Specifications of the meter:

Measurement Range & Accuracy

1pA to 614nA with minimum 0.1% FSR accuracy using internal capacitors
1pA to 1.8µA with minimum 0.1% FSR accuracy using external capacitor

Current:

Fluctuation: 500fA in instantaneous mode and 200fA in window-average mode at 1pA

Continuous Charge:

6fC to 340pC with 0.1% FSR accuracy using internal capacitors
6fc to 1000pC with 0.1% FSR accuracy using external capacitor

Sampling Rate:

1.8K Sample/sec


Figure 4. Performance analysis in the range of pico-ampere.


Figure 5. Performance analysis in the range of 1 nano-ampere to 2 micro-ampere

Facility required:
Standard electronics fabrication facilities with appropriate test equipments are required.

SR NO. Organization name Licensee Name Licensee Code ACQUIRED ON Valid Till Address City State Email Phone
01 M/S. EMPENIO TECHNOLOGY PVT. LTD. Mr. VAIBHAV BHADADE 43 29-10-2018 29-10-2025 Bunglow no. 8, Shroff Residency, Near Orchid Hotel, Balewadi Pune Maharashtra info.empenio@gmail.com 8275488097
SR NO. COUNTRY NAME PATENT NUMBER
No Data Found.
SR NO. NAME STANDARD NUMBER LOGO
No Data Found.

General License Fee : ₹ 26,400.00 (Twenty Six Thousand Four Hundred)

General Royalty : 0%