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參數(shù)資料
| 型號： | TDA5637T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | 9 V VHF, hyperband and UHF mixers- oscillators for TV and VCR 3-band tuners |
| 中文描述： | 3-BAND, VIDEO TUNER, PDSO24 |
| 封裝： | PLASTIC, SO-24 |
| 文件頁數(shù)： | 10/28頁 |
| 文件大?。?/td> | 217K |
| 代理商： | TDA5637T |
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1996 Jun 10
10
Philips Semiconductors
Product specification
9 V VHF, hyperband and UHF mixers-
oscillators for TV and VCR 3-band tuners
TDA5636; TDA5637
Notes
1.
2.
The RF frequency range is defined by the oscillator frequency range and the intermediate frequency.
Limits are related to the tank circuits used in Fig.17; frequency bands may be adjusted by the choice of external
components.
The frequency shift is defined as the change in oscillator frequency when the supply voltage varies from
V
P
= 9 to 8.1 V or from V
P
= 9 to 9.9 V.
The frequency drift is defined as the change in oscillator frequency when the ambient temperature varies from
T
amb
= 25 to 0
°
C or from T
amb
= 25 to 50
°
C.
Switching on drift is defined as the change in oscillator frequency between 5 s and 15 min after switching on.
The input level causing 10 kHz frequency detuning at the LO output; f
OSC
= f
RF
+ 38.9 MHz.
SRF: spurious signal on LO with respect to LO output signal:
RF level = 120 dB
μ
V at f
RF
< 180 MHz
RF level = 107.5 dB
μ
V at f
RF
= 180 to 225 MHz
RF level = 97 dB
μ
V at f
RF
= 225 to 860 MHz.
3.
4.
5.
6.
7.
Band C oscillator
f
OSC
f
shift
f
drift
frequency range
frequency shift
frequency drift
note 2
V
P
= 10%; note 3
T = 25
°
C with compensation; note 4
5 s to 15 min after switching on; note 5
470
900
500
1400
400
MHz
kHz
kHz
kHz
LO output
S
22
output reflection
coefficient
output admittance
(Y
p
+ j
ω
C
p
)
see Fig.16
Y
O
see Fig.16
see Fig.16
R
L
= 50
R
L
= 50
; note 7
83
400
0.7
91
100
10
pF
dB
μ
V
dBc
V
o
SRF
output voltage
spurious signal on
LO output with
respect to LO output
signal
LO signal harmonics
with respect to LO
signal
HLO
R
L
= 50
10
dBc
IF amplifier
S
22
output reflection
coefficient
magnitude; through 1 nF; see Fig.15
phase; through 1 nF; see Fig.15
R
S
; through 1 nF
L
S
; through 1 nF
14.5
5.5
73
12
dB
deg.
nH
Z
o
output impedance
(R
s
+ j
ω
L
s
)
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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