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Filtronic Compound Semiconductors

FRD3500X230 Datasheet Preview

FRD3500X230 Datasheet

3.5 GHZ WIMAX REFERENCE DESIGN

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PRELIMINARY
FRD3500X230
3.5 GHZ WIMAX REFERENCE DESIGN (1 W)
PERFORMANCE (3.5 GHz)
(802.16-2004 WiMAX Modulation)
30 dBm Typical Output Power, < 2.5% EVM
14 dB Typical Small-Signal Gain
Class B Efficiency 14% (8V / 720 mA IDQ)
> 48 dBm 3rd Order Intercept Point
Low total components count
www.DataSheet4U.com
DESCRIPTION AND APPLICATIONS
DEMO BOARD SIZE: 1 x 2 in. (2.54 x 5.08 cm.)
CONNECTORIZED VERSION SHOWN
The FRD3500X230 is a 2-stage, connectorized Reference Design that delivers a typical linear power
of 30 dBm with the 802.16-2004 modulation, while maintaining less than 2.5% EVM. The design
features a FPD4000AS driver stage, followed by a FPD10000AF power output stage. Both stages
are dual-biased to allow a range of bias conditions on each stage, allowing operation from Class B to
Class A. Board layout and components list are included.
ELECTRICAL SPECIFICATIONS AT 22°C
Parameter
Symbol
Test Conditions
Operating Bandwidth
Small Signal Gain
Gain Flatness
Center Frequency (adjustable)
Power at 1dB Gain Compression
Class A - CW Single Tone
Power Gain at dB Gain Compression
Class A - CW Single Tone
Channel Power with 802.16-2004
2.5% max. EVM
Channel Power with 802.16-2004
2.5% max. EVM
Power-Added Efficiency
802.16-2004 modulation
BW
SSG
G
fCEN
P1dB
G1dB
PCH
PCH
Eff
Class A / AB / B
Class A: VDS = 10V; IDQ = 1.6 A
Class A: VDS = 10V; IDQ = 1.6 A
Nominal bias conditions
VDS = 10V; IDQ = 1.6 A
VDS = 10V; IDQ = 1.6 A
Class AB Mode
VDS = 10 V; IDQ = 1.25 A
Class B Mode
VDS = 8 V; IDQ = 730 mA typ.
Class AB Mode
Class B Mode
Min Typ Max Units
200 MHz
14 dB
± 1.5
dB
3.4 3.5 3.6
37.5 dBm
13 dB
31.0 31.5
dBm
29 30
dBm
10 %
14
Operating Current at 30 dBm PCH
Nominal Drain Supply
Nominal Gate Voltages
For Class B Operation
Total DC Power (operating)
IOP VDD = 8.0 V; VGG = -1.20 / -0.89 V
VDD All operating conditions
VGG VGG1 (1st Stage)
VGG2 (2nd Stage)
PTOT
Class B at PCH = 30 dBm
0.9
8
-1.2
-0.89
7.0
A
V
V
V
W
Phone: +1 408 850-5790
Fax: +1 408 850-5766
http:// www.filtronic.co.uk/semis
Revised: 8/10/05
Email: sales@filcsi.com




Filtronic Compound Semiconductors

FRD3500X230 Datasheet Preview

FRD3500X230 Datasheet

3.5 GHZ WIMAX REFERENCE DESIGN

No Preview Available !

PRELIMINARY
FRD3500X230
3.5 GHZ WIMAX REFERENCE DESIGN (1 W)
RECOMMENDED OPERATING BIAS CONDITIONS
Drain-Source Voltage:
From 8V to 10V
Quiescent Current:
From 700mA (Class B) to 1.6A (Class A)
ABSOLUTE MAXIMUM RATINGS1
Parameter
Symbol
Test Conditions
Min Max
Drain Supply Voltage
www.DataSheet4U.com Gate Supply Voltage
Operating Current
Gate Current
RF Input Power2
Channel Operating Temperature
Storage Temperature
Total Power Dissipation
VDD -3V < VGS < +0V
12
VGG 0V < VDD < +8V
-3
IOP For VDS > 2V
1.8
IG Forward or reverse current
+60/-15
PIN Under any acceptable bias state
500
TCH Under any acceptable bias state
175
TSTG Non-Operating Storage -40 150
PTOT Ambient temperature to 85ºC
12
Gain Compression
Comp.
Under any bias conditions
5
Simultaneous Combination of Limits3
2 or more Max. Limits
80
1TAmbient = 22°C unless otherwise noted
2Max. RF Input Limit must be further limited if input VSWR > 2.5:1
3Users should avoid exceeding 80% of 2 or more Limits simultaneously
Units
V
V
A
mA
mW
ºC
ºC
W
dB
%
Notes:
Operating conditions that exceed the Absolute Maximum Ratings could result in permanent damage to the devices.
HANDLING PRECAUTIONS
To avoid damage to the devices care should be exercised during handling. Proper Electrostatic
Discharge (ESD) precautions should be observed at all stages of storage, handling, assembly, and
testing. This product has be tested to Class 1A (> 250V but < 500V) using JESD22 A114, Human
Body Model, and to Class A, (< 200V) using JESD22 A115, Machine Model..
APPLICATIONS NOTES & DESIGN DATA
Recommendations on matching circuits is available from your local Filtronic Sales Representative or
directly from the factory. User must ensure that proper bias sequencing is observed: Gate bias
must be applied before Drain bias, and during power-down the Drain bias must be removed
first.
Phone: +1 408 850-5790
Fax: +1 408 850-5766
http:// www.filtronic.co.uk/semis
Revised: 8/10/05
Email: sales@filcsi.com


Part Number FRD3500X230
Description 3.5 GHZ WIMAX REFERENCE DESIGN
Maker Filtronic Compound Semiconductors
Total Page 5 Pages
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