1. ECHO signal amplification and source of the noise
120mV Input Noise
Used third gain stage amplifier for Echo amplification.
06/12/2018
Input
Applied (220mV) for amplification
Major milestones achievement – Delivery / new project kick-off.
Challenges – technical, resources etc.
Customer visits / Major proposals.
ECHO signal

2. Amplified Echo Signal for 3.6V
ECHO signal amplification and source of the noise
Used third gain stage amplifier for Echo amplification.
06/12/2018
Output and amplified signal
Major milestones achievement – Delivery / new project kick-off.
Challenges – technical, resources etc.
Customer visits / Major proposals.
Amplified Noise Signal for 1.52V
Amplified Noise is effecting the controller output and RX signal.
Input

3. Amplified Echo Signal for 3.6V Solution and Reduce the noise
Used third gain stage amplifier for Echo amplification.
Replace the resistor 1.1K to 6.8K
06/12/2018
Vref=0.44V
Output and amplified signal
Major milestones achievement – Delivery / new project kick-off.
Challenges – technical, resources etc.
Customer visits / Major proposals.
Input
Output after replace the R16