TA1296FN Datasheet, PDF (8/22 Pages) Toshiba Semiconductor – Down-Converter IC with PLL for Satellite Tuner

TA1296FN
Down-Converter Block
AC Characteristics (unless otherwise specified, V_CC1 = V_CC2 = V_CC3 = V_CC4 = 5 V, Ta = 25°C)
Parameter
Symbol
Test
Circuit
Test Condition
(Note 4)
Min
Typ.
Max
Unit
RF input frequency
Mfin
¾
¾
850 ¾ 2200 MHz
RF input level
MPin
¾
¾
¾
¾ -35 dBmW
IF output frequency
Afin
¾
¾
350 ¾ 550 MHz
IF output impedance
(Note 3) AZout
¾ Single-end
¾
75
¾
W
Local oscillator frequency
LO
¾
¾
1300 ¾ 2700 MHz
Conversion gain
CG
(Note 3)
fRF = 898 MHz
2 fRF = 1598 MHz
fRF = 2198 MHz
27.5 31
34
27.5 31 34.5 dB
25
29 32.5
Noise figure
NF
(Note 3)
fRF = 898 MHz
3 fRF = 1598 MHz
fRF = 2198 MHz
¾
9
10.5
¾
9
11
dB
¾
11
13
IF output power level
(Note 3)
Apsat
fRF = 898 MHz
2 fRF = 1598 MHz
fRF = 2198 MHz
6.5
8.5
¾
6.5 8.5
¾ dBmW
6.5 8.5
¾
3^rd inter modulation
(IF output intercept point)
fd = 898 MHz, fud = 903 MHz
15 18.5 ¾
fd = 1598 MHz,
IP3
4 fud = 1603 MHz
15
17
¾ _dBmW
(Note 3)
fd = 2198 MHz,
fud = 2203 MHz
15
17
¾
Conversion gain shift
(Note 3)
CGs
fRF = 898 MHz
2 fRF = 1598 MHz
fRF = 2198 MHz
¾
¾
±2
¾
¾
±2
dB
¾
¾
±2
Frequency shift
(PLL OFF)
fosc = 1300 MHz
DfB
2 fosc = 2000 MHz
fosc = 2600 MHz
¾
¾ ±4.5
¾
¾ ±3.5 MHz
¾
¾ ±3.5
Phase noise
(with 10-kHz offset)
fosc = 1300 MHz
PN
2 fosc = 2000 MHz
fosc = 2600 MHz
¾ -74 -70
¾
-75
-71
dBc/
Hz
¾ -74 -70
RF pin
LO leak level
LORF
fosc = 1300 MHz
2 fosc = 2000 MHz
fosc = 2600 MHz
-40 -37
-32 -29 dBmW
-32 -29
IF pin
LO leak level
LOIF
fosc = 1300 MHz
2 fosc = 2000 MHz
fosc = 2600 MHz
-28
-32
-32.5
-20
-24 dBmW
-27
Note 3: IF output frequency = 402 MHz
Note 4: IF output load = 75 W
8
2002-02-12