Technology Transfer

1

Programmable Power Supply

Voltage Range: -150 V to +150 V

Current: 60 mA

Resolution: 5 mV

Noise: 8 mVp-p

Output impedance: 65 Ω, 1 nF

No. of Channels: 3

● Piezo actuator (0 to 1 kHz)

● Electrode biasing in ion trap

● Micro-motion in STM

● Delay line in TDS

2

Variable high Current source

Current Range: -8 A to +8 A

Compensation voltage: ±24 V

Stability: 2 ppm

Noise: 8 mA (rms) at full load

Control: Analog/ digital

● Peltier driven heating/ cooling with high precision

● Driving Resistive Heaters

3

Variable Current source

Current Range: 4 mA to 500 mA

Compensation Voltage: up to 5V

Noise: < 8 μAp-p

Resolution: 15 μA (16-bit DAC)

Control: Digital/Analog

● Diode laser drivers

● LED Drivers

4

Fixed low current sources

Current: 50, 100, 200, 300, 400 μA
 Stability: 25 ppm/oC

Noise: 1 nAp-p @ 0.1-10Hz

Compensation voltage: 40 V

● Excitation current for temperature sensors

5

Low noise power supply (LPS)

Voltage: ±5 V

Current: 1 A

Stability 200ppm

Ripple: <2mVpp

● Power Supply for Trans-Impedance Amplifier for Photodiodes

6

Mach-Zehnder interferometer based Wave-meter

Path Length: 15cm

Piezo actuator stroke: 8 μm

Wavelength: 400 nm to 800nm

Update Rate: 200 Hz

Laser frequency Stability: 10 MHz

● External Cavity Diode Laser

7

Transimpedance Amplifier (TIA)

Input Wavelength: 400nm -1000 nm

Gain Settings: 10 V/V, 100 V/V, 1000 V/V

Output Voltage: 0 V to 5 V

Output Voltage Noise: < 10 mVp-p

● Photodetection

8

FPGA based Fast PID

Input resolution: 16-bit

Input offset: ±10 V

Output voltage: -10 V to + 10 V

Output noise < 1 mV

Output resolution: 16-bit

Bandwidth: 200 kHz

● External Cavity Diode Laser

● Any fast control system