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UAA2077TS

2 GHz image rejecting front-end

Philips Electronics 

Philips Semiconductors

2 GHz image rejecting front-end

Preliminary specification

UAA2077TS

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX.

UNIT

DES3

IP3RX

NFRX

ZL(RX)

RLo(RX)

fo(RX)

IR

input referred

3 dB desensitisation

interferer frequency offset is

−

3 MHz; useful signal is

−101 dBm; note 1

3rd order intercept point

referenced to RF input; note 1 −

overall noise figure

R inputs to IF outputs; note 1

−

typical application IF output load balanced; note 1

−

impedance

return loss on matched IF output note 1

10

IF frequency range

rejection of image frequency

fRF > fLO

−

fRF > fLO; fRF is the frequency of −

the wanted signal; note 1

tbf −

−12 −

3.7 −

1000 −

15 −

200 −

38 −

dBm

dBm

dB

Ω

dB

MHz

dB

Local oscillator section (receive section enabled)

fi(LO)

Ri(LO)

Ci(LO)

RLi(LO)

Pi(LO)

RI(LO)

LO input frequency

LO input resistance (real part of balanced; at 1645 MHz

the parallel input impedance)

LO input capacitance (imaginary balanced; at 1645 MHz

part of the parallel input

impedance)

return loss on matched input

(including standby mode)

note 1

LO power level

note 1

reverse isolation

pins LOIN to RFIN at

LO frequency; note 1

1605 −

−

50

1790 MHz

−

Ω

−

1.2 −

pF

10 15 −

−10 −3 0

40 −

−

dB

dBm

dB

Timing

tstu

start-up time of each block

1

5

20 µs

Notes

1. Measured and guaranteed only on demonstration board including PCB and balun.

2000 Apr 17

8

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