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UAA2073AM

Image rejecting front-end for GSM applications

Philips Electronics 

Philips Semiconductors

Image rejecting front-end

for GSM applications

Product specification

UAA2073AM

AC CHARACTERISTICS

VCC = 3.75 V; Tamb = −30 to +75 °C; fIF = 175 MHz; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNIT

Receive section (receive section on)

RiRX

RF input resistance (real part of balanced; at 942.5 MHz

−

150 −

the parallel input impedance)

CiRX

RF input capacitance (imaginary balanced; at 942.5 MHz

part of the parallel input

impedance)

−

1

−

fiRX

RLiRX

GCPRX

RF input frequency

925 −

960

return loss on matched RF input note 1

15

20

−

conversion power gain

differential RF input to

19

22

25

differential IF output matched to

1 kΩ differential

Grip

gain ripple as a function of RF note 2

frequency

−

0.2 0.5

∆G/T

gain variation with temperature note 2

−20 −15 −10

DES1

1 dB desensitization input power interferer frequency offset

3 MHz

−

−30 −

CP1RX

IP2DRX

IP3RX

1 dB input compression point

half IF spurious rejection

(fRF = fLO + 0.5fIF)

3rd order intercept point

referenced to the RF input

note 1

note 2

note 2

−25 −23.0 −

60

−

−

−21.5 −15 −

NFRX

overall noise figure

RF input to differential IF output;

note 3

Tamb = +25°C

−

over full temperature range −

3.6 4.0

−

4.7

RLRX

typical application IF output load balanced

impedance

−

1000 −

CLRX

foRX

IR

IF output load capacitance

IF frequency range

image frequency rejection

unbalanced

fLO < fRF

−

−

2

−

175 −

30

45

−

Ω

pF

MHz

dB

dB

dB

mdB/K

dBm

dBm

dB

dBm

dB

dB

Ω

pF

MHz

dB

1997 Jan 27

9

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