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參數(shù)資料
| 型號(hào)： | TDA5737ATS |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | 3-BAND, VIDEO TUNER, PDSO24 |
| 封裝： | 5.30 MM, PLASTIC, MO-150, SOT-340-1, SSOP-24 |
| 文件頁數(shù)： | 28/28頁 |
| 文件大?。?/td> | 180K |
| 代理商： | TDA5737ATS |
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2000 Dec 19
9
Philips Semiconductors
Preliminary specication
5 V VHF, hyperband and UHF
mixers/oscillators for TV and VCR 3-band tuners
TDA5737A
3. The gain is defined as the transducer gain (measured in Fig.16) plus the voltage transformation ratio of L7 to L8
(10 : 2 and 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.16. 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.
7. The frequency drift is defined as the change in oscillator frequency when the ambient temperature varies from
Tamb =25to0 °C and from Tamb =25to50 °C.
8. Switch-on drift is defined as the change in oscillator frequency between 5 s and 15 minutes after switch on.
9. With thermal compensation, the capacitors of the tank circuits have the following temperature coefficients:
a) In band A: C1, C6 and C8 are N750
b) In band B: C4, C11, C12, C13 and C36 are N750
c) In band C: C5, C7, C9 and C10 are N750; C2 is N220 and C3 is NP0.
10. SRF: spurious signal on LO with respect to LO output signal:
a) RF level = 120 dB
V at fRF < 180 MHz
b) RF level = 107.5 dB
V at fRF = 180 to 225 MHz
c) RF level = 97 dB
V at fRF = 225 to 860 MHz.
handbook, full pagewidth
MGD264
signal
source
V
D.U.T.
AIN
GND
IF
out
IF
out
e
50
50
50
V
o
2 x 5
turns
2
turns
i
V
meas
V'
RMS
voltmeter
spectrum
analyzer
TR
N1/N2 = 5
Fig.3 Band A gain measurement.
Zi(AIN) >> 50 ; Vi =2 × Vmeas.
Vi =Vmeas + 6 dB.
Vo =V’meas + 15.4 dB (transformer ratio N1/N2 = 5 and transformer loss).
Gv = 20 log (Vo/Vi).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA5737M | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V VHF, hyperband and UHF mixers/oscillators for TV and VCR 3-band tuners |
| TDA5737M/C1 | 制造商:NXP Semiconductors 功能描述:2-BAND, VIDEO TUNER, 24 Pin Plastic SMT |
| TDA5744 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power mixers/oscillators for hyperband tuners |
| TDA5744TS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power mixers/oscillators for hyperband tuners |
| TDA5745 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low power mixers/oscillators for hyperband tuners |
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