cxa3025n Sony Electronics, cxa3025n Datasheet - Page 8

• Manufacturer Part Number: cxa3025n
• Description: All Band Tv Tuner Ic Vhf-catv-uhf
• Manufacturer: Sony Electronics

Example of Representative Characteristics
–20
–40
–60
40
30
20
10
20
0
0
–60
Conversion gain vs. Reception frequency
0
VHF (Low)
I/O characteristics (Untuned input)
100
–50
200
Receiving frequency [MHz]
–40
RF input level [dBm]
300 400
(Untuned input)
–30
f
VHF (High)
IF
is 45MHz in both cases
500
–20
f
f
RF
RF
= 100MHz (VHF)
= 450MHz (UHF)
600
–10
UHF
700
0
800
900
10
– 8 –
Next adjacent cross modulation vs. Reception frequency
120
100
80
60
40
20
20
15
10
0
5
0
0
0
Noise figure vs. Reception frequency
VHF (Low)
VHF (Low)
100
100
200
200
(Untuned input, in DSB)
Receiving frequency [MHz]
Receiving frequency [MHz]
VHF (High)
300 400
300 400
(Untuned input)
f
IF
VHF (High)
= 45MHz, 100kHz 30%AM
500
500
f
f
600
600
UD
UD
UHF
= f
= f
UHF
f
IF
700
700
D
D
= 45MHz
+12MHz
–12MHz
800
800
900
900
CXA3025N