TGA2525 TriQuint, TGA2525 Datasheet - Page 9

• Manufacturer Part Number: TGA2525
• Description: RF Amplifier 2-18GHz LNA / Gain Block w/AGC
• Manufacturer: TriQuint

Specifications of TGA2525

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1062622

Bias-up Procedure
Vg1 set to -1.5 V
Vd set to +5 V
Vg2 set to +1 V
Adjust Vg1 more positive until Id is 75 mA. This will
be ~ Vg1 = -0.6 V
Apply RF signal to input
Adjust Vg2 to obtain desired gain.
TriQuint Semiconductor: www. triquint.com [phone] Fax [phone] [e-mail]
0.01
RF
In
uF
100
pF
TGA2525
Electrical Schematic
Vg1
Bias Procedures
Vd
Mar 2008 © Rev A
Vg2
100
pF
Bias-down Procedure
Reduce Vg2 to +1 V
Turn off RF supply
Reduce Vg1 to -1.5V. Ensure Id ~ 0 mA
Vg2 to 0 V
Turn Vd to 0 V
Turn Vg1 to 0 V
100
pF
RF
Out
0.01
uF
0.01
uF
TGA2525
9