TDA8060ATS datasheet(8/16 Pages) PHILIPS

8 / 16 page

2000 Nov 10

Philips Semiconductors

Product speciﬁcation

Satellite ZERO-IF QPSK down-converter

TDA8060ATS

Notes

1. This parameter is very dependent on the application; the range represents the capacity of the oscillator.

2. Measured in baseband (at pin IOUT or pin QOUT) on a carrier at 2 MHz and 25 dBmV.

3. fLO = 1000 MHz; RF wanted = 1005 MHz; RF unwanted = 2002 MHz (see Fig.3). Done on the demo board

OM5732.

4. Quadrature error with respect to 90

°.

5. The differential input impedance of the IC is 34

Ω in series with the IC pins which give an inductance of 5 nH.

For optimum performance, this inductance should be cancelled by a matching network. Coupling capacitors of 1 pF

give an acceptable result.

6. Gain = Vo(dB) − Vi(dB) (see Fig.4). Gain for symmetrical RF input.

B(−3dB)

channel

−3 dB bandwidth

−

MHz

output impedance

−

−Ω

Vo(p-p)

output voltage level (peak-to-peak value)

note 8

−

Ro(L)

resistive load at output

400

−−Ω

Overall with a 100 nF capacitor instead of LP1 and LP2

td(g)(I-Q)(40)

group delay mismatch in 40 MHz band

between I and Q

−

0.5

td(g)(I-Q)(R40)

group delay ripple in 40 MHz band for I or Q

−

0.5

Gv(I-Q)(40)

voltage gain mismatch in 40 MHz band

between I and Q

−−

1dB

GR(I-Q)(40)

voltage gain ripple in 40 MHz band for I or Q

−−

1dB

SYMMETRICAL RF INPUT

Gv(RF-IBBOUT)(min)

minimum voltage gain from RF input to

pin IBBOUT

VAGC = 0.1VCC

−

Gv(RF-IBBOUT)(max)

maximum voltage gain from RF input to

pin IBBOUT

VAGC = 0.9VCC

−

Gv(RF-QBBOUT)(min)

minimum voltage gain from RF input to

pin QBBOUT

VAGC = 0.1VCC

−

Gv(RF-QBBOUT)(max) maximum voltage gain from RF input to

pin QBBOUT

VAGC = 0.9VCC

−

noise ﬁgure at maximum gain

VAGC = 0.9VCC;

Zsource =50 Ω

−

ASYMMETRICAL RF INPUT

Gv(RF-IBBOUT)(min)

minimum voltage gain from RF input to

pin IBBOUT

VAGC = 0.1VCC

−

Gv(RF-IBBOUT)(max)

maximum voltage gain from RF input to

pin IBBOUT

VAGC = 0.9VCC

−

Gv(RF-QBBOUT)(min)

minimum voltage gain from RF input to

pin QBBOUT

VAGC = 0.1VCC

−

Gv(RF-QBBOUT)(max) maximum voltage gain from RF input to

pin QBBOUT

VAGC = 0.9VCC

−

noise ﬁgure at maximum gain

VAGC = 0.9VCC;

Zsource =50 Ω

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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