GTRA214602FC

5

Rev. 02.1, 2022-1-27

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The information in this document is subject to change without notice.

4600 Silicon Drive | Durham, NC 27703 | Tel: +1.919.313.5300

Evaluation Board, 2110 – 2170 MHz

Test Fixture Part Number

LTA/GTRA214602FC-V1

PCB Information

Rogers 4350, 0.762 mm [0.030”] thick, 2 oz. copper, ε

r = 3.66

Find Gerber files for this test fixture on the Wolfspeed Web site at www.wolfspeed.com/RF

C103

C108

C201

C210

C209

C211

RF_IN

RF_OUT

V GG

V GG

V DD

V DD

g t r a 21 4 6 0 2 f c _ C D _ 2 0 2 0 - 0 9 - 2 1 _ b n

GTRA214602FC_OUT_01

GTRA214602FC_IN_01

RO4350, 30 MIL

RO4350, 30 MIL

C213 C214

C215

C208

C206 C207

C202

C205

C204

C203

C106

C101

C104

C107

R102

C105

C109

R101

C102

R103

U1

C212

Reference circuit assembly diagram (not to scale)

Bias Sequencing

Bias ON

1. Ensure RF is turned off

2. Apply pinch-off voltage of –5 V to the gate

3. Apply nominal drain voltage

4. Bias gate to desired quiescent drain current

5. Apply RF

Bias OFF

1. Turn RF off

2. Apply pinch-off voltage of to the gate

3. Turn off drain voltage

4. Turn off gate voltage