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UAA2068AHL

Transmit chain and synthesizer with integrated VCO for DECT

Philips Electronics 

Philips Semiconductors

Transmit chain and synthesizer with

integrated VCO for DECT

Product specification

UAA2068AHL

SYMBOL

PARAMETER

CONDITIONS

MIN.

VCO

fVCO

oscillator frequency

over full temperature 940

range; note 2

GVCO

tuning input VCO gain

−

GMOD

modulation input VCO gain

−

Switch part

FTLOTXoff isolation between LO and TX

f = 1890 MHz; note 2 −

outputs when TX preamplifier is

off (RX mode)

FTLOTXon isolation due to the switch when f = 1890 MHz; note 2 −

TX preamplifier is on (TX mode)

TX preamplifier and LO buffer parts

Po(TX)

TX preamplifier output power

over full temperature

range; note 2

fo(TX)

output frequency on TX

preamplifier or LO buffer

Ro(TX)

TX preamplifier output resistance balanced

(real part of the parallel output

impedance)

Co(TX)

TX preamplifier output

capacitance (imaginary part of

the parallel output impedance)

balanced

FTVCOTX VCO frequency feedthrough at

the TX output

referenced to the fo(TX)

level; note 2

CNR25

carrier-to-noise ratio at TX output carrier offset

∆f = 25 kHz

CNR4686 carrier-to-noise ratio at TX output carrier offset

∆f = 4686 kHz

∆fo(offset)

total frequency shift due to

measured 20 µs after

200 mV VCC change disabling the disabling the

synthesizer

synthesizer; note 2

∆fo(drift) frequency drift during a slot

note 2

Po(LO)

Ro(LO)

LO preamplifier output power

LO preamplifier output

resistance (real part of the

parallel output impedance)

note 2

balanced

0

1 880

−

−

−

−

−

−

−

−

−

TYP.

−

45

1

−50

−40

3

−

150

0.5

−41

−75

−135

−

1

−14

120

MAX.

960

−

−

−

−

7

1 920

−

−

−36

−

−132

±15

± 10

−

−

UNIT

MHz

MHz/V

MHz/V

dB

dB

dBm

MHz

Ω

pF

dBc

dBc/Hz

dBc/Hz

kHz

kHz

dBm

Ω

1999 Jun 04

11

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