FPD6836
0.25W POWER PHEMT
• FEATURES
DRAIN
BOND
GATE
BOND
♦ 25.5 dBm Linear Output Power at 12 GHz
♦ 10 dB Power Gain at 12 GHz
♦ 16.5 dB Maximum Stable Gain at 12 GHz
♦ 12 dB Maximum Stable Gain at 24 GHz
♦ 50% Power-Added Efficiency
♦ 8V Operation
PAD (1X)
PAD (1X)
SOURCE
BOND
PAD (2x)
DIE SIZE (µm): 400 x 400 µm
DIE THICKNESS: 75 µm
BONDING PADS (
µm): >75 x 70
• DESCRIPTION AND APPLICATIONS
The FPD6836 is an AlGaAs/InGaAs pseudomorphic High Electron Mobility Transistor (PHEMT),
featuring a 0.25 µm by 360 µm Schottky barrier gate, defined by high-resolution stepper-based
photolithography. The recessed and offset Gate structure minimizes parasitics to optimize
performance. The epitaxial structure and processing have been optimized for reliable medium-
power applications. The FPD6836 also features Si3N4 passivation and is available in a low cost
plastic package.
Typical applications include commercial and other narrowband and broadband high-performance
amplifiers, including SATCOM uplink transmitters, PCS/Cellular low-voltage high-efficiency output
amplifiers, and medium-haul digital radio transmitters.
• ELECTRICAL SPECIFICATIONS AT 22°C
Parameter
Symbol
Test Conditions
Min
Typ
Max Units
RF SPECIFICATIONS MEASURED AT f = 12 GHz USING CW SIGNAL
Power at 1dB Gain Compression
Power Gain at P1dB
P1dB
G1dB
PAE
VDS = 8 V; IDS = 50% IDSS
VDS = 8 V; IDS = 50% IDSS
24.5
9.0
25.5
10.0
50
dBm
dB
%
Power-Added Efficiency
V
DS = 8 V; IDS = 50% IDSS
P
OUT = P1dB
Maximum Stable Gain (S21/S12)
f = 12 GHz
SSG
V
DS = 8 V; IDS = 50% IDSS
15.5
11.0
16.5
12.0
dB
f = 24 GHz
Saturated Drain-Source Current
Maximum Drain-Source Current
Transconductance
Gate-Source Leakage Current
Pinch-Off Voltage
Gate-Source Breakdown Voltage
Gate-Drain Breakdown Voltage
Thermal Resistivity (see Notes)
IDSS
IMAX
GM
IGSO
|VP|
VDS = 1.3 V; VGS = 0 V
VDS = 1.3 V; VGS ≅ +1 V
VDS = 1.3 V; VGS = 0 V
VGS = -5 V
VDS = 1.3 V; IDS = 0.36 mA
IGS = 0.36 mA
90
110
215
140
1
135
mA
mA
mS
µA
V
10
1.3
0.7
12.0
14.5
1.0
|VBDGS
|VBDGD
|
|
14.0
16.0
125
V
V
IGD = 0.36 mA
V
DS > 3V
θJC
°C/W
Phone: +1 408 850-5790
Fax: +1 408 850-5766
http://www.filtronic.co.uk/semis
Revised: 11/17/04
Email: sales@filcsi.com