
TA31275FN/ TA31275FNG
03-01-23
17
Reference Data (This is characteristics data when it used evaluation boards. This is not
guarantee on condition that it is stating except electrical characteristics.)
40°C
25
600
5
400
200
600
0
5
10
15
20
0
400
VCC = 5 V
f (IF) in
= 50dBVEMF
f (IF) in
= 10.7 MHz + f
Dev
= ±20 kHz
fmod
= 600 Hz
<Meas point>
FILOUT at audio analyzer
110°C
25°C
200
30
50
30
60
70
90
110
120
20
10
0
10
20
80
100
VCC = 5 V
f (MIX) in
= 314.9 MHz
V (MIX) in
= 60dBV
f (Lo) in = 40.7 MHz
<Meas point>
MIXOUT at spectrum
analyzer
* Terminated with the IF
input impedance
Multiplication
is used
Multiplication
is not used
50
30
10
30
10
0
20
40
1
2
3
4
5
6
20
f (MIX) in
= 314.9 MHz
V (MIX)
= 60dBV
f (Lo) in = 40.7 MHz
V (Lo) in = 100dBV
LOBS
= “H”
<Meas point>
MIXOUT at spectrum
analyzer
* Terminated with the
IF input impedance
110°C
40°C
25°C
8
100
24
300
500
1000
18
22
20
16
12
VCC = 5 V
V (MIX) in
= 60dBV
V (Lo) in = 100dBV
LOBS
= “L” (direct input)
<Meas point>
MIXOUT at spectrum
analyzer
* Terminated with the IF
input impedance
110°C
40°C
25°C
14
10
Mixer Conversion Gain Frequency
Characteristics
MIX IN input frequency
f (MIX) in
(MHz)
M
ixer
con
v
er
sion
g
a
in
G
V
(M
IX)
(d
B)
Mixer Conversion Gain –
Local Input Level Characteristics
Local input level
V (Lo) in (dBV)
M
ixer
con
v
er
sion
g
a
in
G
V
(M
IX)
(d
B)
Mixer Conversion Gain –
Supply Voltage Characteristics
Local input level
V (Lo) in (dBV)
M
ixer
con
v
er
sion
g
a
in
G
V
(
d
B
)
Mixer Conversion Gain –
Local Input Level Characteristics
Local input level
V (Lo) in (dBV)
M
ixer
con
v
er
sion
g
a
in
G
V
(M
IX)
(d
B)
40
50
30
60
70
90
110
120
20
10
20
30
80
100
VCC = 5 V
f (MIX) in
= 314.9 MHz
V (MIX) in
= 60dBV
f (Lo) in = 40.7 MHz
LOBS
= “H”
<Meas point>
MIXOUT at spectrum
analyzer
* Terminated with the
IF input impedance
110°C
25°C
0
40°C
Detuning Characteristics
Detuning frequency
(kHz)
Atte
nuation
leve
l
(d
B)
Mixer Intercept Point
0
40
160
60
80
120
80
60
40
20
100
VCC = 5 V
f (MIX) in
= 314.9 MHz
f (Lo) in = 40.7 MHz
V (Lo) in = 100dBV
fmod
= 600 Hz
<Meas point>
MIXOUT at spectrum
analyzer
Desired wave
Interference
wave
140
100
Mixer
outp
u
t
le
vel
V
(MIX)
ou
t
(d
B
V)