TGA8622-SCC Просмотр технического описания (PDF) - TriQuint Semiconductor

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TGA8622-SCC

2 - 20 GHz Gain Block Amplifier

TriQuint Semiconductor 

RECOMMENDED

BIAS CIRCUIT

Product Data Sheet

TGA8622-SCC

6V

RF connections: Bond using two 1.0-mil diameter, 20-mil-length gold bond wires at both RF Input and

RF Output.

Measuring IDSS: Set V-, V+, and VCTRL to 0 V. Connect VCTRL to V+. Short V- to ground.

Increase V+, VCTRL from 0 V and measure I+ maximum for V+, VCTRL </= 4 V. I+ maximum is IDSS.

Maximum gain bias (in this sequence):

Set V- to -1 V, V+ to 6 V, and VCTRL to 1.5 V. Adjust V- to achieve I+ = 50% IDSS.

Gain reduction: Set bias for maximum gain condition and decrease VCTRL from 1.5 V.

(I+ will drop accordingly; do not re-adjust V-.)

TriQuint Semiconductor Texas Phone: (972)994 8465 Fax: (972)994 8504 Web: www.triquint.com

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