TB221A - Polyfet

August 29, 2013
TB221A
Frequency=225-2000MHz
Pout=50W
Gain=10dB
Vds=48Vdc
Idq=400mA
Efficiency=30 to 50%
GX3442
Bias instructions for TB221A
1.
2.
3.
4.
5.
6.
7.
8.
PH:(805)484-4210 FAX:(805)484-3393
Apply -6V to Vgs (yellow banana plug).
Apply 48V to Vds (red banana plug).
Increase Vgs until drain current reaches 400mA bias current.
Apply RF input power.
After RF test is completed, remove RF input power.
Lower Vgs to -6V.
Remove 48V Vds supply voltage.
Remove -6V Vgs supply voltage.
1110 Avenida Acaso, Camarillo CA 93012
www.polyfet.com
TB221A
PH:(805)484-4210 FAX:(805)484-3393
1110 Avenida Acaso, Camarillo CA 93012
August 29, 2013
www.polyfet.com
TB221A
PH:(805)484-4210 FAX:(805)484-3393
1110 Avenida Acaso, Camarillo CA 93012
August 29, 2013
www.polyfet.com
TB221A
PH:(805)484-4210 FAX:(805)484-3393
1110 Avenida Acaso, Camarillo CA 93012
August 29, 2013
www.polyfet.com
TB221A
PH:(805)484-4210 FAX:(805)484-3393
1110 Avenida Acaso, Camarillo CA 93012
August 29, 2013
www.polyfet.com
TB221A
PH:(805)484-4210 FAX:(805)484-3393
1110 Avenida Acaso, Camarillo CA 93012
August 29, 2013
www.polyfet.com
TB221A
PH:(805)484-4210 FAX:(805)484-3393
1110 Avenida Acaso, Camarillo CA 93012
August 29, 2013
www.polyfet.com
TB221A
PH:(805)484-4210 FAX:(805)484-3393
1110 Avenida Acaso, Camarillo CA 93012
August 29, 2013
www.polyfet.com
TB221A
PH:(805)484-4210 FAX:(805)484-3393
1110 Avenida Acaso, Camarillo CA 93012
August 29, 2013
www.polyfet.com
TB221A
PH:(805)484-4210 FAX:(805)484-3393
1110 Avenida Acaso, Camarillo CA 93012
August 29, 2013
www.polyfet.com
TB221A
PH:(805)484-4210 FAX:(805)484-3393
1110 Avenida Acaso, Camarillo CA 93012
August 29, 2013
www.polyfet.com
TB221A
August 29, 2013
Polyfet TB221A BOM
NOMENCLATURE
C9,C3,C4,C12
C17,C18,C13
C1,C14,C7
C10
C20,C5
C19
C8
C22
C21
C23
C6
C2
C11
C15, C16
L1
L2
Q1
ATTEN1
R2
R3
PCB
DESCRIPTION
1000pF +/-2% Ultra-low ESR, Microwave Cap., 1111N
100pF +/-2% Ultra-low ESR, Microwave Cap., 1111N
470pF +/-2% Ultra-low ESR, Microwave Cap., 1111N
560pF +/-2% Ultra-low ESR, Microwave Cap., 1111N
0.6pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC
0.3pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC
2.0pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC
1.2pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC
6.8pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC
1.1pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC
820pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC
300pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC
47uF 50V Tantalum Capacitor
47uF 100V Electrolytic Capacitor
538nH Maxi Spring Air Core Inductor
0805 Zo= 1kohms HiSpeed EMI Filter Beads,Chokes/ Arrays
GaN Transistor
0.5dB, 3W,IAX Series Surface Mount Thick Film Attenuator
10 OHM POWER RESISTOR
200 OHM FLANGE MOUNT RESISTOR
material RO6035 Er=3.5 60mils(1.524mm) 2oz/2oz (70um/70um)
PH:(805)484-4210 FAX:(805)484-3393
VENDER
Passive Plus, Inc
Passive Plus, Inc
Passive Plus, Inc
Passive Plus, Inc
Passive Plus, Inc
Passive Plus, Inc
Passive Plus, Inc
Passive Plus, Inc
Passive Plus, Inc
Passive Plus, Inc
Passive Plus, Inc
Passive Plus, Inc
Vishay
Panasonic
Coilcraft
Murata Electronics North America
POLYFET RF DEVICES
IMS
American Technical Ceramics
Innovative Power Products
Rogers. Corp
1110 Avenida Acaso, Camarillo CA 93012
VENDER PART #
1111N102
1111N101
1111N471
1111N561
0505C1R6
0505C1R3
0505C2R0
0505C1R2
0505C6R8
0505C1R1
0505C821
0505C301
597D476X0050Z2T
ECA-2AHG470B
132-20SMGL
81-BLM21BD102SH1D
GX3442
IA3-2010WA00D5
CS12010T0010GBK
IPP-RB201-200
RO6035
www.polyfet.com