PBL40215 Просмотр технического описания (PDF) - Ericsson

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PBL40215

RF Transceiver circuit for the Digital Enhanced Cordless Telecommunications (DECT) system

Ericsson  

PBL 402 15

Transmit section Table.

Parameter

Condition

Frequency range at output

Nominal output power

Gate enable

Output power

Gate disable

Power of 2xLO spurious

Power of 3xLO spurious

TX_P1, 0=0, 0

Output power trim about nominal TX_P1, 0=0, 1

TX_P1, 0=1, 0

TX_P1, 0=1, 1

POFF to PNOM time

PNOM to POFF time

Gate active to PA_GATE active

Gate inactive to PA_GATE inactive

Noise floor

nominal output power

Noise at channel M±1

ı1.728 MHz

Noise at channel M±2

ı3.456 MHz

Noise at channel M±3

ı5.184 MHz

Noise at channel M±4

ı6.912 MHz

Output impedance

Output VSWR

t PAON

GATE (active low)

PA_GATE (active low)

Symbol

ƒ

PNOM

POFF

P2LO

P3LO

PTRIM

tON

tOFF

tPAON

tPAOFF

NFLR

NM1

NM2

NM3

NM4

ZOUT

VSWRO

Min.

1800

Typ.

5

-22

-35

-35

-1.3

0

+1.3

+1.9

2

2

100

3

100

Max.

2000

-20

-20

Unit

MHz

dBm

dBc

dBc

dBc

dB

5

5

200

6

-135

-93

-115

-129

-132

1.5:1

µs

µs

ns

µs

dBm/Hz

dBc

dBc

dBc

dBc

Ω

-

t PAOFF

RF signal at TX

∼ 2µs

Figure 10. GATE / PA_GATE timing diagram, GATE_P = 0.

18

∼ 2µs

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