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參數(shù)資料
| 型號(hào)： | TUA6020 |
| 廠商： | SIEMENS AG |
| 英文描述： | 2 Band TV Tuner Mixer-Oscillator-PLL with balanced IF-Amplifier(兩波段電視調(diào)諧器（帶振蕩器、IF放大器）) |
| 中文描述： | 2波段電視調(diào)諧器混頻器振蕩器與均衡的中頻放大器（兩波段電視調(diào)諧器（帶振蕩器中頻放大器）鎖相環(huán)） |
| 文件頁(yè)數(shù)： | 29/38頁(yè) |
| 文件大?。?/td> | 464K |
| 代理商： | TUA6020 |
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Reference
5 - 9
TUA6020
preliminary
Wireless Components
Specification, March 2000
Table 5-3 AC/DC Characteristics with T
A
25
°
C, V
CC
(continued)
Symbol
Limit Values
Unit
Test Conditions
L
Item
min
typ
max
Oscillator pulling,
PLL unlocked
V
i
100
108
dBμV
α
f = 10 kHz
f
RF
= 375.25 MHz
V
i
100
108
dBμV
α
f = 10 kHz
f
RF
= 847.25 MHz
N + 5 pulling,
PLL unlocked
V
i
-50
dBc
f
RF
= 471.25 MHz,
f
RF1
= 511.25 MHz,
P
RF
=P
RF1
= 80dBμV
V
i
-50
dBc
f
RF
= 847.25 MHz,
f
RF1
= 887.25 MHz,
P
RF
=P
RF1
= 80 dBμV
Oscillator
phase noise
1)
χ
OSC
-58
-60
dBc/Hz
fm = 1kHz
χ
OSC
-88
-90
dBc/Hz
fm = 10kHz
IF suppression
a
15
20
dB
V
i
= 80 dBμV
SAW preamplifier
IF output impedance
R
IF
125
τ
serial equivalent
circuit,
f
IF
= 38.9 MHz
L
IF
10
nH
Rejection at the IF outputs
Divider interference
level
2).
Vo
30
dBμV
Channel S02 beat
rejection
3).
INT
S02
66
dBc
f
RF
= 76.25 MHz
P
RF
= 80 dBμV
This value is only guaranteed in lab.
1). Measured in the evaluation board (
see Chapter 4
), worst case in band
2). This is the level of divider interferences close to the IF frequency. For example channel S3:
fOSC = 158.15 MHz, 1/4 fOSC = 39.5375 MHz. Measured in the evaluation
board (
see Chapter 4
).
3). Channel S02 beat is the interfering product of f
RF
, f
IF
and f
OSC
of channel S02, f
beat
= 37.35 MHz.
The possible mechanisms are f
OSC
- 2 x f
IF
or 2 x f
RFpix
- f
OSC
. Measured in evaluation board
(
see Chapter 4
).
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