Answer following questions based on the circuit 1. By connecting Pins 1 and I at the 'Range Selection’ terminal, the output of the temperature sensor is fed into the Arduino Nano via a buffer (voltage follower) (Fig. 1).The gain of the buffer (voltage follower) is: ……………..,and thus, the amplified output voltage range of the sensor is: ……………………….The purpose of the buffer (voltage follower) is: 2. The output of the temperature sensor is fed into Arduino Nano and digitised by a 10-bit ADC (analogue to digital converter).(a) What is the theoretical resolution of the 10-bit ADC is (assuming ADC VREF = 5.00V):…………………. (mV/bit)(b) If the non-inverting amplifier is applied, the sensitivity of the temperature measurement in bit is roughly:………………… (bits per °C)(c) If the buffer amplifier is applied, the sensitivity of the temperature measurement in bit is roughly:…………………. (bits per °C)(d) Comment on your calculation in terms of the sensitivity of the measurement. EXTERNAL POWER9V DCJ1X1-1 OX1-2 OX1-3 OC7100nF+5VOV+5VVOUTOVTEMPERATURE SENSOREXTERNAL CONNECTOROV3OVD11N4004KHIC1C2=100nFC3330uFTEMPERATURESENSORMCP9700-E_TOPOWER SUPPLY DECOUPLINGPLACE ACROSS IC3+5VOVVDD VOUTGNDTP6XOV2C1100nFVOUTHH4OVTP1XTP5R41K5LED1 POWERRED INDICATORR38K2wwwC8100nFVINR110KOVNON-INVERTINGAMPLIFIER+5V007.HaIC3BIC3AMCP602PJAR239KwwwMCP602POP-AMPBUFFERTP3xHOVTP2OVVAMPC9100nFV_BUFFC10100nFC6 =100nFον+5VC4100nFTP4XOVOVC5=330uFV_AMPV BUFFSDASCLVINOV32,1532.14 3V332.1332.12J2.1132.1032.932.832.7SDASCLJ2.632.532.4J2.3J2.2J2.1+5VOVD13/SCKAREFADA1A2A3A4A5A6A75VRST.2GND.2VINUSB4321ARDUINO-NANO-3.0SDASCLVCCGNDD12/MISOD11/MOSIM1GND.1RST1DO/RXD1/TXU$1D10D9DBD7D6D5D4D3D3D2‒‒‒1.151.1431.1331.1231.1131.10128x6431.931.831.7J1.631.531411.41.331.231.1RANGE SELECTLINK+5VDISPLAY-OLED-128X64-12COVNote: Has inbuilt 4K7 Pull-up resistorsTSC113 EL565 Temperature Measurement Rev_1Mod History:Rev 0: First releaseRev 1: R3 was 6k8, now 8K2Drawn: JM2046Date: 31-AUGUST-202129-Sep-21 2:11 PMREV: 1

1. The gain of the buffer (voltage follower) is: 1 and thus, the amplified output voltage range of…

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Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Answer following questions based on the circuit

1. By connecting Pins 1 and I at the 'Range Selection’ terminal, the output of the temperature sensor is fed into the Arduino Nano via a buffer (voltage follower) (Fig. 1).

The gain of the buffer (voltage follower) is: ……………..,

and thus, the amplified output voltage range of the sensor is: ……………………….

The purpose of the buffer (voltage follower) is:

2. The output of the temperature sensor is fed into Arduino Nano and digitised by a 10-bit ADC (analogue to digital converter).

(a) What is the theoretical resolution of the 10-bit ADC is (assuming ADC V_REF = 5.00V):

…………………. (mV/bit)

(b) If the non-inverting amplifier is applied, the sensitivity of the temperature measurement in bit is roughly:

………………… (bits per °C)

…………………. (bits per °C)

(d) Comment on your calculation in terms of the sensitivity of the measurement.

EXTERNAL POWER
9V DC
J1
X1-1 O
X1-2 O
X1-3 O
C7
100nF
+5V
OV
+5V
VOUT
OV
TEMPERATURE SENSOR
EXTERNAL CONNECTOR
OV
3
OV
D1
1N4004
KH
IC1
C2
=100nF
C3
330uF
TEMPERATURE
SENSOR
MCP9700-E_TO
POWER SUPPLY DECOUPLING
PLACE ACROSS IC3
+5V
OV
VDD VOUT
GND
TP6
X
OV
2
C1
100nF
VOUT
HH
4
OV
TP1
X
TP5
R4
1K5
LED1 POWER
RED INDICATOR
R3
8K2
www
C8
100nF
VIN
R1
10K
OV
NON-INVERTING
AMPLIFIER
+5V
00
7.
Ha
IC3B
IC3A
MCP602P
JA
R2
39K
www
MCP602P
OP-AMP
BUFFER
TP3
xH
OV
TP2
OV
VAMP
C9
100nF
V_BUFF
C10
100nF
C6 =
100nF
ον
+5V
C4
100nF
TP4
X
OV
OV
C5
=
330uF
V_AMP
V BUFF
SDA
SCL
VIN
OV
32,15
32.14 3V3
32.13
32.12
J2.11
32.10
32.9
32.8
32.7
SDA
SCL
J2.6
32.5
32.4
J2.3
J2.2
J2.1
+5V
OV
D13/SCK
AREF
AD
A1
A2
A3
A4
A5
A6
A7
5V
RST.2
GND.2
VIN
USB
4
3
2
1
ARDUINO-NANO-3.0
SDA
SCL
VCC
GND
D12/MISO
D11/MOSI
M1
GND.1
RST1
DO/RX
D1/TX
U$1
D10
D9
DB
D7
D6
D5
D4
D3
D3
D2
‒‒‒
1.15
1.14
31.13
31.12
31.11
31.10
128x64
31.9
31.8
31.7
J1.6
31.5
314
11.4
1.3
31.2
31.1
RANGE SELECT
LINK
+5V
DISPLAY-OLED-128X64-12C
OV
Note: Has inbuilt 4K7 Pull-up resistors
TSC113 EL565 Temperature Measurement Rev_1
Mod History:
Rev 0: First release
Rev 1: R3 was 6k8, now 8K2
Drawn: JM2046
Date: 31-AUGUST-2021
29-Sep-21 2:11 PM
REV: 1

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