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參數(shù)資料
| 型號： | TDA5732 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Low power VHF, UHF mixer/oscillator for TV and VCR 2-band tuners |
| 中文描述： | 低功耗，超高頻調(diào)音臺甚高頻/電視和錄像機2振蕩器波段調(diào)諧器 |
| 文件頁數(shù)： | 8/18頁 |
| 文件大小： | 108K |
| 代理商： | TDA5732 |
1995 Mar 22
8
Philips Semiconductors
Preliminary specification
Low power VHF, UHF mixer/oscillator
for TV and VCR 2-band tuners
TDA5732M
Notes
1.
The RF signal is modulated with 50% AM at 15 kHz: The level of the RF signal is increased until there is a 23 dB
difference between the LO carrier and the sideband components.
The frequency shift is defined as a variation in oscillator frequency when the supply voltage varies from
V
P
= 5 to 4.75 V or from V
P
= 5 to 5.75 V.
The ripple susceptibility is measured for a 500 kHz ripple at the LO output with the set-up as illustrated in Fig.8. The
level of the ripple signal is increased until there is a 53.5 dB difference between the LO carrier and the sideband
components.
The frequency shift is defined as a variation in oscillator frequency when the supply voltage varies from
T
amb
= 25
°
C to 0
°
C or from T
amb
= 25
°
C to 50
°
C.
The switching on drift is defined as the variation in oscillator frequency between 5 seconds and 15 minutes after
switching on.
SRF: spurious signal on LO with respect to LO output signal;
a) RF voltage level = 1 V at f
i
= 55.25 to 225 MHz.
b) RF level = 2.5 dBm at f
i
= 225 to 361.25 MHz.
c) RF level =
10 dBm at f
i
= 367.25 to 801.25 MHz.
2.
3.
4.
5.
6.
Band C oscillator
f
R
f
shift
frequency range
frequency shift
413
46
200
203
22
847
200
MHz
kHz
kHz
mV
mV
V
P
= 5%; note 2
V
P
= 10%; note 2
V
P
= 4.75 to 5.25 V; f
i
= 413 MHz
V
P
= 4.75 to 5.25 V; f
i
= 847 MHz;
note 3
T = 25
°
C with compensation;
note 4
5 s to 15 min after switching on;
note 5
±
50 kHz; frequency offset;
B = 3 kHz
χ
ripple(p-p)
ripple susceptibility of the
supply voltage
(peak-to-peak value
f
drift
frequency drift (worst case in
the frequency range)
1100
2500
kHz
300
1300
kHz
Φ
N
phase noise, carrier-to-noise
sideband (worst case in the
frequency range)
64
dBc
LO output
Y
O
output admittance (G
P
//C
P
)
G
P
; f
i
= 101 MHz; see Fig.11
G
P
; f
i
= 847 MHz; see Fig.11
C
P
; f
i
= 101 to 847 MHz; see Fig.11
R
L
= 50
; V
P
= 4.5 to 5.5 V;
V
t
= 0 to 28 V
R
L
= 50
; note 6
83
2.4
3.1
0.5
90
100
mS
mS
pF
dB
μ
V
V
O
output voltage
SRF
spurious signal on LO output
with respect to LO output
signal
LO signal harmonics w.r.t. LO
signal
15
10
dB
HLO
R
L
= 50
10.5
9.5
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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