Features

n

Attenuation: 0.5 dB steps to 31.5 dB

n

6 Bit Digital Gain Control

n

CMOS Logic

n

Serial Logic Interface

n

Single Positive Voltage Supply

n

8 mm PBGA Package

n

JEDEC MO-151 Footprint

n

Single Package Solution for GSM,CDMA,PCS

Description

The M/A-COM AM55-0024 is a dual channel IF amplifier

and digital attenuator packaged in a multi-layer multi-chip

module (MCM). Gain control is via two separate serial

logic interfaces. The part utilizes Plastic Ball Grid Array

(PBGA) interconnect technology to achieve high circuit

density and superior performance. This device is ideal for

GSM/DCS/PCS digital base station applications where high

dynamic range gain control functionality is required.

Hi Dyn Range 2 Channel IF Amp with

Power Control, 100 - 400 MHz

Functional Block Diagram

Parameter

Absolute Maximum

Input Power

2

+20 dBm

Operating Voltage

2

Operating Temperature

-40°C to +85°C

Storage Temperature

-65°C to +150°C

Absolute Maximum Ratings

1

1. Exceeding any one or combination of these limits may

cause permanent damage.

°C.

Logic

Interface

IF in B

IF in A

IF out B

IF out A

Parameter

Test Conditions

Units

Min.

Typ.

Max.

Gain

100 - 400 MHz

dB

19.5

21

22.5

Gain Control Range

100 - 400 MHz

dB

31.5

Minimum Gain Control Step Size

100 - 400 MHz

dB

0.5

Return Loss

100 - 400 MHz

dB

10

12

100 - 400 MHz @ 5V

dBm

30

Supply Voltage

V

3/5

Supply Current

@ 3V / @ 5V

mA

300/400

Switching Speed (50% TTL to 90% RF)

nS

50

Isolation

dBc

50

60

P1 dB

dBm

15

17.5

Noise Figure

100 - 400 MHz

dB

4

1. All measurements in a 50 Ohm system.

V 2.00