cxa3250an Sony Electronics, cxa3250an Datasheet - Page 27

• Manufacturer Part Number: cxa3250an
• Description: All Band Tv Tuner Ic With On-chip Pll
• Manufacturer: Sony Electronics

120
100
+20
+10
–10
–20
–30
–40
–50
–60
–70
–80
40
30
20
10
80
60
40
20
0
0
0
–40
0
0
Conversion gain vs. Reception frequency (Untuned input)
VHF (Low)
Next adjacent cross modulation vs. Reception frequency
100
100
–30
SG output level [dBm] (f
200
200
PCS beat characteristics
VHF (High)
–20
Reception frequency [MHz]
Reception frequency [MHz]
300
300
f
IF
(Untuned input)
–10
400
400
f
f
f
f
f
f
VHF (Low)
Local
P
C
S
IF
Beat
=49.25MHz
=52.83MHz (f
=53.75MHz (f
=45.75MHz
f
Beat
=f
=95MHz
500
500
IF
UHF
0
f
P
920kHz
IF
level)
=45MHz
600
600
f
f
(100kHz, 30%AM)
UD
UD
+10
P
=f
=f
P
–12dB)
–1.7dB)
D
D
700
700
+12MHz
–12MHz
f
IF
=45MHz
+20
800
800
900
900
—27—
–100
–200
–300
–400
400
300
200
100
20
15
10
5
0
0
Noise figure vs. Reception frequency (Untuned input, in DSB)
0
0
VHF (Low) VHF (High)
Oscillation frequency power supply fluctuation (PLL off)
VHF (Low) VHF (High)
100
100
200
200
Reception frequency [MHz]
Oscillation frequency [MHz]
300
300
400
400
500
500
UHF
600
600
UHF
700
700
f
IF
V
V
(V
=45MHz
CXA3250AN
CC
CC
CC
800
800
–5%
+5%
=5V)
900
900