D1221UK Datasheet, PDF (3/4 Pages) Seme LAB – GOLD METALLISED MULTI-PURPOSE SILICON DMOS RF FET 10W - 12.5V - 175MHz SINGLE ENDED

D1221UK







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3RXW:
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7XQHGIRUPD[LPXPRXWSXWSRZHU
Figure 1 – Gain vs. Power Output.






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Figure 2 – Efficiency vs. Power Output.



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Figure 3 – IMD vs. Power Output.
D1221UK
OPTIMUM SOURCE AND LOAD IMPEDANCE
Frequency
Z_S
Z_L
MHz
Ω
Ω
175MHz 7.2 + j15 4.1 - j2.5
Typical S Parameters
!
V_DS = 12.5V, I_DQ = 0.4A
# MHZ S MA R 50
!Freq
!MHz
50
100
150
200
250
300
350
400
450
500
550
600
S11
mag
ang
0.7 -116.5
0.7
-140
0.75 -150.2
0.81 -157.2
0.85 -163.1
0.88 -168.1
0.9 -172.6
0.92 -176.6
0.93 179.7
0.94 176.3
0.95 173.1
0.95 170.
S21
mag
ang
14.93 97.9
7.42 73.6
4.56 58.1
3.1
46.5
2.23 37.4
1.67 30.3
1.3
24.7
1.04 20.3
0.85 17.1
0.71 14.9
0.6
13.5
0.52
13
S12
mag
ang
0.036 15.7
0.03
2.7
0.02
11
0.016 52.3
0.026 82.6
0.04 90.1
0.055 90.8
0.071 89.2
0.086 86.8
0.101 84.2
0.115 81.5
0.13
78.8
S22
mag
ang
0.64 -108.4
0.65 -132
0.71 -143.1
0.78 -151.2
0.83 -157.9
0.86 -163.7
0.89 -168.8
0.91 -173.4
0.92 -177.5
0.93 178.7
0.94 175.2
0.95 171.
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc. Telephone [phone]. Fax [phone].
E-mail: [e-mail] Website: http://www.semelab.co.uk
Document Number 5316
Issue 1