RF25A-12 View Datasheet(PDF) - Conexant Systems

Part Name

Description

View to exact match

RF25A-12

RF25A for CDMA, and AMPS Applications

Conexant Systems 

RF25A

Rx ASIC

Table 5. RF25A Rx ASIC Electrical Specifications (1 of 2)

TA = 25° C, VCC = 3.0 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 (Adjustable)

Frequency range

Input impedance:

CDMA input (differential)

AMPS input (single-ended)

Gain:

Maximum

Minimum

Maximum (AMPS)

Minimum (AMPS)

Symbol

Test Condition

Cellular LNA

Cellular Mixer

Rx VGA - I/Q Demodulator

Min Typical Max

14.5

0.5

1.5

1.6

20

-5

8

-12

-15

11

14

11

7.5

8

-6

-9

+5

+3

-15

-10

3000

1000

300

20

18

50

300

1000

1000

53

54

55

–47

–42

–37

61

62

63

-39

–34

-29

Units

dB

dB

dB

dB

dB

dBm

dBm

dB

dB

mA

dB

dB

dB

dB

dBm

dBm

dBm

dBm

dB

dBm

Ω

Ω

MHz

dB

mA

MHz

Ω

Ω

dB

dB

dB

dB

8

Conexant – Preliminary.

1011110A

Proprietary Information

August 4, 2000

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