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SPA-1318

2150 MHz 1 Watt Power Amplifier with Active Bias

Stanford Microdevices 

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SPA-1318 2150 MHz 1 Watt Power Amp.

Pin # Function

Description

Device Schematic

1

Vcc VCC is the supply voltage for the active bias network.

Bypassing in the appropriate location as shown on

application schematic is required for optimum RF

1

performance.

2

Vbias Vbias is the bias control pin for the active bias network.

Device current is set by the current into this pin.

Recommended configuration shown in the Application

Schematic is required for optimum RF performance.

2

ACTIVE BIAS

NETWORK

5-8

3

RF In RF input pin. This pin requires the use of an external DC

blocking capacitor.

4

N/C No connection

3

5, 6, 7, 8 RF Out/Vcc RF output and bias pin. Bias should be supplied to this pin

through an external RF choke. Because DC biasing is

present on this pin, a DC blocking capacitor should be used

in most applications (see application schematic). The supply

side of the bias network should be well bypassed. An output

matching network is necessary for optimum performance.

EPAD

Gnd Exposed area on the bottom side of the package needs to

be soldered to the ground plane of the board for optimum

thermal and RF performance. Several vias should be

located under the EPAD as shown in the recommended land

pattern (page 6).

Absolute Maximum Ratings

Operation of this device above any one of these

parameters may cause permanent damage.

Bias Conditions should also satisfy the following

expression: IDVD (max) < (TJ - TOP)/Rth,j-l

Caution: ESD sensitive

Appropriate precautions in handling, packaging and

testing devices must be observed.

Parameter

Value

Unit

Supply Current (ID)

Device Voltage (VD)

Power Dissipation

750

mA

6.0

V

4.0

W

Operating Lead Temperature (TL)

RF Input Power

-40 to +85

ºC

800

mW

Storage Temperature Range

-40 to +150 ºC

Operating Junction Temperature (TJ)

+150

ºC

522 Almanor Ave., Sunnyvale, CA 94085

Phone: (800) SMI-MMIC

5

http://www.stanfordmicro.com

EDS-101429 Rev A

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