TDA8051T 데이터 시트보기 (PDF) - Philips Electronics

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TDA8051T

QPSK receiver

Philips Electronics 

Philips Semiconductors

QPSK receiver

Product specification

TDA8051

SYMBOL

PARAMETER

CONDITIONS

V1(I-Q)

DC output level on

pin I-Q_OUT

Ro(dif)

output differential resistance

Overall: Rs = 75 Ω/Ri = 4 kΩ unless otherwise specified

Vo

voltage output on

see Fig.8

pins I_OUT and Q_OUT

LOlev

LO level on

pins I_OUT and Q_OUT

see Fig.8

So

∆GI-Q

spurious emission on

pins I_OUT and Q_OUT

gain error on

pins I_OUT and Q_OUT

f = 0 to 5 MHz; see Fig.8

see Fig.8

AMR

AM rejection in I and Q

channels

guaranteed by design; see

Fig.9

IM3

3rd-order intermodulation

guaranteed by design; see

Fig.10

Voltage Controlled Oscillator (VCO)

fvco(min)

fvco(max)

αN(osc)

min. oscillation frequency

max. oscillation frequency

oscillator phase noise

note 1

note 1

at 10 kHz

at 100 kHz

Phase Locked Loop (PLL)

Step

RD

frequency step size

fixed reference divider ratio

at pin VCO output

RDR

programmable reference

divider ratio

ND

programmable fix main divider

ratio

NDR

main divider ratio

I(CP)

charge pump current

Crystal oscillator

fxtal

crystal frequency

rxtal = 25 to 200 Ω

Zi

crystal oscillator input

fxtal = 4 MHz

impedance (absolute value)

VI(DC)

Vi

DC input level

input level

MIN.

−

−

−

−

−

−

−

−

−

−

−

−

100

−

2

−

128

−

1

600

−

−

TYP. MAX.

3.1 −

460 −

48 −

− −45

−40 −

±1 −

− −40

− −45

88 −

260 −

−75 −

−95 −

− 500

2−

− 80

4−

− 2600

300 −

−4

120 −

0

2.9 −

30 −

UNIT

V

Ω

dBmV

dBc

dBc

dB

dBc

dBc

MHz

MHz

dBc/Hz

dBc/Hz

kHz

−

−

−

−

µA

MHz

Ω

V

mVrms

1999 Aug 20

9

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