TGC4405 TriQuint, TGC4405 Datasheet - Page 8

• Manufacturer Part Number: TGC4405
• Description: Wireless Accessories 17 - 27GHz Upconverter
• Manufacturer: TriQuint

Specifications of TGC4405

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1061094

IF In
TriQuint Semiconductor: www. triquint.com [phone] Fax [phone] [e-mail]
Bias-up Procedure
•Vg set to -1.5 V
•Vd set to +5 V
•Vmxr set to -0.9V
•Vdbl set to -0.9 V
•Adjust Vg more positive until Idq is 425 mA.
•Apply signals to LO and IF input
This will be ~ Vg = -0.5 V
LO In
Doubler
Resistive FET
Mixer +
Baluns
2xLO
Buffer
Electrical Schematic
Bias Procedures
TGC4405
Oct 2006 © Rev -
RF Amplifier
100
pF
Bias-down Procedure
•Turn off signals
•Reduce Vg to -1.5V. Ensure Id ~ 0 mA
•Turn Vdbl to 0V
•Turn Vmxr to 0V
•Turn Vd to 0V
•Turn Vg to 0V
0.01
uF
100
pF
100
pF
100
pF
15 Ω
TGC4405
1 uF
1 uF
1 uF
1 uF
RF Out
Vmxr
Vd
Vdbl
Vg
8