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TDA5736T Datasheet(Hoja de datos) 9 Page - NXP Semiconductors

No. de Pieza. TDA5736T
Descripción  5 V VHF, hyperband and UHF mixers/oscillators for TV and VCR 3-band tuners
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Fabricante  PHILIPS [NXP Semiconductors]
Página de inicio  http://www.nxp.com
Logo 

 9 page
background image
1997 Feb 24
9
Philips Semiconductors
Product specification
5 V VHF, hyperband and UHF mixers/oscillators
for TV and VCR 3-band tuners
TDA5736; TDA5737
Notes
1.
−20 °C<Tamb < +80 °C; 4.5 V < VP < 5.5 V.
2. The RF frequency range is defined by the oscillator frequency range and the intermediate frequency.
3. The gain is defined as the transducer gain (measured in Fig.17) plus the voltage transformation ratio of L7 to L8
(10 : 2, 15.4 dB including transformer loss).
4. The input level causing 10 kHz frequency detuning at the LO output. fosc =fRF + 33.4 MHz.
5. Limits are related to the tank circuits used in Fig.17. Frequency bands may be adjusted by the choice of external
components.
6. The frequency shift is defined as the change in oscillator frequency when the supply voltage varies from
VP = 5 to 4.75 V and from VP = 5 to 5.25 V.
Band C oscillator
fosc
frequency range
0.45 V < Vt < 28 V; notes 1 and 5
485
900
MHz
fshift
frequency shift
∆VP = 5%; note 6
−−
53
kHz
fdrift
frequency drift with no
compensation
∆T=25 °C; NP0 capacitors; note 7 −−
2800
kHz
5 s to 15 mins after switch on; NP0
capacitors; note 8
−−
700
kHz
frequency drift with
compensation
∆T=25 °C; notes 7 and 9;
see Fig.18
−−
1000
kHz
5 s to 15 mins after switch on;
notes 8 and 9; see Fig.18
−−
250
kHz
Vripple
ripple susceptibility of supply
voltage (peak to peak value)
fosc = 485 MHz;
4.75 V < VP < 5.25 V; see Fig.8
20
−−
mV
fosc = 900 MHz;
4.75 V < VP < 5.25 V; see Fig.8
18
−−
mV
Φ
N
phase noise
measured at the IF output at 10 kHz
offset; Vo = 105 dBµV
81
−−
dBc/Hz
LO output
ZO
output admittance (YP+jωCP)YP = 80 MHz; see Fig.12
2.5
mS
YP = 900 MHz; see Fig.12
5
mS
CP; see Fig.12
0.9
pF
Vo
output voltage
RL =50 Ω; 0<Vt < 35 V
80
91
100
dB
µV
SRF
spurious signal on LO output
with respect to LO output
signal
RL =50 Ω; 0.2V<Vt <35V;
notes 1 and 10
−−
−10
dB
HLO
LO signal harmonics with
respect to LO signal
RL =50 Ω; 0<Vt < 35 V; note 1
−−
−10
dB
IF amplifier
S22
output reflection coefficient
magnitude; see Fig.15
−−16
dB
phase; see Fig.15
12
deg.
ZO
output impedance (Rs +jLsω)Rs
67
−Ω
Ls
20
nH
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT




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