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參數資料
| 型號： | SN761678BDBTG4 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | TV TUNER IC |
| 中文描述： | 電視調諧器集成電路 |
| 文件頁數： | 9/20頁 |
| 文件大?。?/td> | 321K |
| 代理商： | SN761678BDBTG4 |
www.ti.com
Electrical Characteristics – Mixer, Oscillator, IF Amplifier
V
CC
= 5 V, T
A
= 25°C, measured in
Figure 18
reference measurement circuit at 50-
system,
IF filter characteristics: f
peak
= 43 MHz (unless otherwise noted)
SN761678B
TV TUNER IC
SLES185–JUNE 2006
PARAMETER
TEST CONDITIONS
MIN
22
22
22
22
26
25
16
16
16
16
20
19
TYP
25
25
25
25
29
28
19
19
19
19
23
22
9.5
9.5
10
10
11
11
89
89
86
86
87
87
117
117
117
117
117
117
88
88
86
86
84
84
MAX
28
28
28
28
32
31
22
22
22
22
26
25
UNIT
G
c11
G
c13
G
c14
G
c16
G
c17
G
c19
G
c21
G
c23
G
c24
G
c26
G
c27
G
c29
NF
1
NF
3
NF
4
NF
6
NF
7
NF
9
CM
1
CM
3
CM
4
CM
6
CM
7
CM
9
V
IFO1
V
IFO3
V
IFO4
V
IFO6
V
IFO7
V
IFO9
Φ
OSC1
Φ
OSC3
Φ
OSC4
Φ
OSC6
Φ
OSC7
Φ
OSC9
f
in
= 58 MHz
(1)
f
in
= 130 MHz
(1)
f
in
= 136 MHz
(1)
f
in
= 364 MHz
(1)
f
in
= 370 MHz
(1)
f
in
= 804 MHz
(1)
f
in
= 58 MHz
(2)
f
in
= 130 MHz
(2)
f
in
= 136 MHz
(2)
f
in
= 364 MHz
(2)
f
in
= 370 MHz
(2)
f
in
= 804 MHz
(2)
f
in
= 55.25 MHz
f
in
= 127.25 MHz
f
in
= 133.25 MHz
f
in
= 361.25 MHz
f
in
= 367.25 MHz
f
in
= 801.25 MHz
f
in
= 55.25 MHz
(3)
f
in
= 127.25 MHz
(3)
f
in
= 133.25 MHz
(3)
f
in
= 361.25 MHz
(3)
f
in
= 367.25MHz
(3)
f
in
= 801.25 MHz
(3)
f
in
= 55.25 MHz
(4)
f
in
= 127.25 MHz
(4)
f
in
= 133.25 MHz
(4)
f
in
= 361.25 MHz
(4)
f
in
= 367.25MHz
(4)
f
in
= 801.25 MHz
(4)
f
in
= 55.25 MHz
(5)
f
in
= 127.25 MHz
(5)
f
in
= 133.25 MHz
(5)
f
in
= 361.25 MHz
(5)
f
in
= 367.25MHz
(5)
f
in
= 801.25 MHz
(5)
Conversion gain 1 (mixer-IF amplifier),
VHF-LOW
dB
Conversion gain 1 (mixer-IF amplifier),
VHF-HIGH
dB
Conversion gain 1 (mixer-IF amplifier), UHF
dB
Conversion gain 2 (mixer-IF amplifier),
VHF-LOW
dB
Conversion gain 2 (mixer-IF amplifier),
VHF-HIGH
dB
Conversion gain 2 (mixer-IF amplifier), UHF
dB
Noise figure, VHF-LOW
dB
Noise figure, VHF-HIGH
dB
Noise figure, UHF
dB
1% cross-modulation distortion, VHF-LOW
dBμV
1% cross-modulation distortion, VHF-HIGH
dBμV
1% cross-modulation distortion, UHF
dBμV
IF output voltage, VHF-LOW
dBμV
IF output voltage, VHF-HIGH
dBμV
IF output voltage, UHF
dBμV
Phase noise, VHF-LOW
dBc/Hz
Phase noise, VHF-HIGH
dBc/Hz
Phase noise, UHF
dBc/Hz
Prescaler beat
(6)
25
dBμV
(1)
(2)
(3)
(4)
(5)
(6)
IF = 43 MHz, RF input level = 80 dBμV (see
Figure 19
)
IF = 43 MHz, RF input level = 80 dBμV (see
Figure 20
)
f
= f
±
6 MHz, P
in
= 80 dBμV, AM 1 kHz, 30%, DES/CM = S/I = 46 dB
IF = 45.75 MHz
Offset = 10 kHz, RF input level = 70 dB
μ
V
Design parameter, not tested
9
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