RF250-32 Ver la hoja de datos (PDF) - Conexant Systems

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RF250-32

Rx ASIC for CDMA, AMPS, and PCS Applications

Conexant Systems 

RF250

Rx ASIC

Table 5. RF250 Rx ASIC Electrical Specifications (1 of 3)

TA = 25° C, VCC = 3.3 V, PLO = –10 dBm

Parameter

Gain @ 881 MHz

Gain variation over band (869-894 MHz)

Gain variation over temperature

Noise figure @ 881 MHz

Reverse isolation

P1dB @ input

IP3 @ input

Input return loss (869-894 MHz)

Output return loss (869-894 MHz)

Total supply current (adjustable)

Conversion gain (power):

CDMA mode

AMPS mode

Single-sideband noise figure:

CDMA mode

AMPS mode

P1dB @ input:

CDMA mode

AMPS mode

IP3 @ input:

CDMA mode

AMPS mode

Mixer RF input return loss, RF port 1 (869-894

MHz)

LO input power level

IF output resistance:

CDMA mode (differential)

AMPS mode (single-ended)

IF frequency range

LO/RF input isolation

Total supply current

Symbol

Test Condition

Cellular LNA

Cellular Mixer

Min Typical Max Units

13

dB

0.5 dB

1.5 dB

2.0

dB

20

dB

–5

dBm

8

dBm

–12 dB

–15

dB

12

mA

14

11

7.5

8

–6

–9

5

3

–15

–10

3000

1000

20

18

dB

dB

dB

dB

dBm

dBm

dBm

dBm

dB

dBm

Ω

Ω

300 MHz

dB

mA

101251A

Conexant Systems, Inc.

7

August 24, 2000

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