AM7808 datasheet(6/20 Pages) ETC

6 / 20 page

Rev C Preliminary

Amalfi Confidential

Page 6

475 Alberto Way, Ste 200, Los Gatos, CA 95032

• Tel: 408-399-5360 • Fax: 408-399-5362 • www.amalfi.com

Preliminary Device Specification

AM7808

Electrical Specifications – GSM900 (cont.)

Specification

Parameter

Min

Typ

Max

Unit

Condition

Overall – EGSM900 Band

Nominal Conditions (unless otherwise stated)

Temperature = 25

°C, VBA T = 3.5V, PIN = 3dBm

Frequency = 880MHz to 915MHz

12.5% Duty Cycle, Pulse Width = 577µs, TX_EN =

ENABLE= ‘High’, SW1 = ‘Low’

Input Port Characteristics

Input Power Range

dBm

Max output guaranteed at Min drive level

Input Impedance

Input VSWR

2.5:1

POUT = 5dBm to 33.0dBm

PIN ≤ 6dBm

Power Control

Power Control Range

VRAMP = VRAMP min to VRAMP max

Power Output Variation from

nominal conditions

POUT = 15dBm to 28.5dBm

-2.5

1.5

POUT = 5dBm to 15dBm

-3

PIN = 0 to 6dBm, Temp = -20°C to +85°C

2.7V

≤ V

BAT ≤ 4.5V

Relative to Nominal Output Power Condition:

VBAT=3.5V, LB_IN = 3dBm, f = 897.5MHz

Switch Section

Coupled power POUT to RX1

and RX2 ports

dBm

POUT=33.0dBm

Insertion Loss ANT to RX1

and RX2

1.1

1.3

Freq=925MHz to 960MHz, ENABLE=’High’, TX-

ENABLE=’Low”, SW1= ‘Low’ for RX1 and ‘High’

for RX2

Input VSWR ANT-RX1 and

RX2

1.5:1

Freq=925MHz to 960MHz, ENABLE=’High’, TX-

ENABLE=’Low”, SW1= ‘Low’ for RX1 and ‘High’

for RX2

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