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參數(shù)資料
| 型號： | 935263936118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | 2-BAND, VIDEO TUNER, PDSO28 |
| 封裝： | PLASTIC, SOT-341, SSOP-28 |
| 文件頁數(shù)： | 13/48頁 |
| 文件大?。?/td> | 242K |
| 代理商： | 935263936118 |
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2000 Aug 02
20
Philips Semiconductors
Product specication
5 V mixers/oscillators and synthesizers for
cable TV and VCR 2-band tuners
TDA6502; TDA6502A;
TDA6503; TDA6503A
Notes
1. The RF frequency range is defined by the oscillator frequency range and the IF frequency.
2. This is the level of the RF signal (100% amplitude modulated with 11.89 kHz) that causes a 750 Hz frequency
deviation on the oscillator signal; it produces sidebands 30 dB below the level of the oscillator signal.
3. Limits are related to the tank circuits used in Fig.19; frequency bands may be adjusted by the choice of external
components.
4. The frequency shift is defined as a change in oscillator frequency when the supply voltage varies from
VCC = 5 to 4.75 V (4.5 V) or from VCC = 5 to 5.25 V (5.5 V). The oscillator is free running during this measurement.
5. The frequency drift is defined as a change in oscillator frequency when the ambient temperature varies from
Tamb =25to50 °C or from Tamb =25to0 °C. The oscillator is free running during this measurement.
UHF OSCILLATOR
fOSC(o)
oscillator operational
frequency
300
1000
MHz
fOSC
oscillator frequency
note 3
413
847
MHz
f
OSC(V)
oscillator frequency variation
with supply voltage
VCC = 5%; note 4
35
kHz
V
CC = 10%; note 4
100
kHz
fOSC(T)
oscillator frequency variation
with temperature
T=25 °C; with compensation;
note 5
500
kHz
f
OSC(t)
oscillator frequency drift
5 s to 15 min after switching on;
note 6
120
kHz
Φ
OSC
phase noise, carrier-to-noise
sideband
±100 kHz frequency offset; worst
case in the frequency range
105
dBc/Hz
RSC
ripple susceptibility of VCC
(peak-to-peak value)
VCC = 5 V; worst case in the
frequency range; ripple frequency
500 kHz; note 7
15
30
mV
IF PREAMPLIFIER
IF
IF operational frequency
30
60
MHz
S22
output reection coefcient
magnitude; see Fig.9
12.8
dB
phase; see Fig.9
0.2
degree
Zo
output impedance
(RS +jωLS)
RS at 43.5 MHz; see Fig.9
80
LS at 43.5 MHz; see Fig.9
0.5
nH
REJECTION AT THE IF OUTPUT
INTdiv
level of divider interferences
in the IF signal
worst case; note 8
16
20
dB
V
INTxtal
crystal oscillator
interferences rejection
VIF = 100 dBV; worst case in the
frequency range; note 9
60
dBc
INTref
reference frequency
rejection
VIF = 100 dBV; worst case in the
frequency range; fREF = 62.5 kHz;
note 10
60
dBc
INTch6
channel 6 beat
VRF(pix) =VRF(snd) =80dBV;
note 11
50
54
dBc
INTchA-5
channel A-5 beat
VRF(pix) =80dBV; note 12
56
60
dBc
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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