CFY25
Semiconduc tor Gr oup 1 of 8 Draft D , Jul. 98
HiRel
X-Band
GaAs Low Noise / General Purpose MESFET
HiRel
Discrete and Microwave
Semiconductor
For professional pre- and driver-amplifiers
For frequencies from 500 MHz to 20 GHz
Hermetically sealed microwave package
Low noise figure, high gain, moderate power
Space Qualification Expected 1998
ESA/SCC Detail Spec. No.: 5613/008,
Type Variant No.s 01 to 05
12
34
ESD: Electrostatic discharge sensitive device, observe handling precautions!
Type Marking Ordering Code Pin Configuration Package
1234
CFY25-P (ql)
CFY25-23 (ql)
CFY25-23P (ql)
CFY25-20 (ql)
CFY25-20P (ql)
- see below G S D S Micro-X
CFY25-nnl: specifies noise, gain and output power level (see electrical characteristics)
(ql) Quality Level: P: Professional Quality, Ordering Code: Q62703F120
H: High Rel Quality, Ordering Code: on request
S: Space Quality, Ordering Code: on request
ES: ESA Space Quality, Ordering Code: Q62703F119
(see order instructions for ordering example)
CFY25
Semiconduc tor Gr oup 2 of 8 Draft D , Jul. 98
Maximum Ratings
Parameter Symbol Values Unit
Drain-source voltage VDS 5V
Drain-gate voltage VDG 7V
Gate-source voltage (reverse / forward) VGS - 5... + 0.5 V
Drain current ID80 mA
Gate forward current IG1.5 mA
RF Input Power, C- and X-Band 1) PRF,in + 17 dBm
Junction temperature TJ175 °C
Storage temperature range Tstg - 65... + 175 °C
Total power dissipation 2) Ptot 250 mW
Soldering temperature 3) Tsol 230 °C
Thermal Resistance
Junction-soldering point Rth JS 410 K/W
Notes.:
1) For VDS 3 V. For VDS > 3 V, derating is required.
2) At TS = + 72.5 °C. For TS > + 72.5 °C derating is required.
3) During 15 sec. maximum. The same terminal shall not be resoldered until 3 minutes have
elapsed.
CFY25
Semiconduc tor Gr oup 3 of 8 Draft D , Jul. 98
Electrical Characteristics (at TA=25°C; unless otherwise specified)
Parameter Symbol Values Unit
min. typ. max.
DC Characteristics
Drain-source saturation current
VDS = 3 V, VGS = 0 V IDss 15 30 60 mA
Gate threshold voltage
VDS = 3 V, ID = 1 mA -VGth 0.3 1.0 3.0 V
Drain current at pinch-off
VDS = 3 V, VGS = - 4 V IDp - < 100 - µA
Gate leakage current at pinch-off
VDS = 3 V, VGS = - 4 V -IGp - < 100 200 µA
Transconductance
VDS = 3 V, ID = 15 mA gm15 35 40 - mS
Gate leakage current at operation
VDS = 3 V, ID = 15 mA -IG15 - < 1 2 µA
Thermal resistance
junction to soldering point Rth JS - 370 - K/W
CFY25
Semiconduc tor Gr oup 4 of 8 Draft D , Jul. 98
Electrical Characteristics (continued)
Parameter Symbol Values Unit
min. typ. max.
AC Characteristics
Noise figure 1)
VDS = 3 V, ID = 15 mA, f = 12 GHz NF dB
CFY25-P - < 2.3 -
CFY25-20, -20P - 1.9 2.1
CFY25-23, -23P - 2.2 2.4
Associated gain. 1)
VDS = 3 V, ID = 15 mA, f = 12 GHz GadB
CFY25-P - > 8.5 -
CFY25-20, -20P 8.5 9 -
CFY25-23, -23P 8.0 8.7 -
Output power at 1 dB gain compression 2)
VDS = 3 V, ID(RF off) = 20 mA, f = 12 GHz P1dB dBm
CFY25-20, -23 - 15 -
CFY25-20P, 23P, -P 14 15 -
Linear power gain 2)
VDS = 3 V, ID = 20 mA, f = 12 GHz,
Pin = 0 dBm
Glp dB
CFY25-20 - 9.2 -
CFY25-23 - 8.5 -
CFY25-20P, -P 8.5 9.2 -
CFY25-23P 8.0 8.5 -
Notes.:
1) Noise figure / sssociated gain characteristics given for minimum noise figure matching
conditions (fixed generic matching, no fine-tuning).
2) Output power / linear power gain characteristics given for optimum output power
matching conditions (fixed generic matching, no fine-tuning).
CFY25
Semiconduc tor Gr oup 5 of 8 Draft D , Jul. 98
Typical Common Source S-Parameters CFY25-20
VDS = 3 V, ID = 15 mA, Zo = 50
f |S11| <S11 |S21| <S21 |S12| <S12 |S22| <S22 k-Fact. S
21
/S
12
MAG
[GHz] [magn] [angle] [magn] [angle] [magn] [angle] [magn] [angle] [magn] [dB] [dB]
0,5 0,958 -22 3,301 160 0,0170 71 0,683 -14 0,44 22,9
1,0 0,931 -28 3,208 155 0,0287 64 0,673 -18 0,50 20,5
1,5 0,901 -36 3,107 148 0,0398 59 0,660 -23 0,54 18,9
2,0 0,875 -45 3,016 139 0,0502 53 0,648 -29 0,56 17,8
2,5 0,858 -56 2,950 130 0,0602 47 0,635 -35 0,55 16,9
3,0 0,838 -67 2,877 120 0,0691 42 0,621 -41 0,56 16,2
3,5 0,815 -78 2,795 111 0,0767 36 0,603 -48 0,58 15,6
4,0 0,794 -88 2,708 102 0,0834 31 0,590 -54 0,61 15,1
4,5 0,776 -98 2,621 93 0,0893 25 0,573 -60 0,64 14,7
5,0 0,760 -108 2,537 84 0,0939 20 0,562 -67 0,66 14,3
5,5 0,746 -117 2,451 76 0,0975 15 0,549 -73 0,69 14,0
6,0 0,732 -126 2,365 68 0,1000 10 0,539 -80 0,72 13,7
6,5 0,718 -135 2,281 60 0,1017 5 0,529 -86 0,77 13,5
7,0 0,703 -143 2,202 52 0,1035 1 0,521 -91 0,81 13,3
7,5 0,689 -150 2,133 45 0,1049 -3 0,511 -96 0,87 13,1
8,0 0,674 -158 2,072 38 0,1056 -6 0,504 -101 0,92 12,9
8,5 0,661 -166 2,020 30 0,1063 -10 0,495 -106 0,97 12,8
9,0 0,650 -174 1,976 23 0,1068 -13 0,484 -111 1,02 12,7 11,7
9,5 0,640 178 1,933 16 0,1076 -16 0,474 -116 1,06 12,5 11,0
10,0 0,629 170 1,896 9 0,1080 -20 0,463 -121 1,11 12,4 10,4
10,5 0,620 162 1,859 2 0,1084 -23 0,452 -127 1,16 12,3 9,9
11,0 0,613 153 1,826 -5 0,1090 -26 0,443 -133 1,19 12,2 9,6
11,5 0,607 145 1,797 -13 0,1097 -29 0,436 -140 1,22 12,1 9,3
12,0 0,600 137 1,767 -20 0,1105 -33 0,431 -147 1,24 12,0 9,1
12,5 0,593 130 1,738 -27 0,1114 -36 0,426 -153 1,27 11,9 8,8
13,0 0,587 122 1,708 -34 0,1125 -40 0,421 -159 1,30 11,8 8,5
13,5 0,580 114 1,678 -41 0,1138 -43 0,419 -166 1,32 11,7 8,3
14,0 0,575 106 1,651 -49 0,1149 -47 0,417 -172 1,34 11,6 8,1
14,5 0,572 98 1,627 -56 0,1161 -51 0,413 -178 1,36 11,5 7,9
15,0 0,568 90 1,607 -63 0,1180 -55 0,410 176 1,37 11,3 7,7
15,5 0,565 82 1,589 -70 0,1198 -59 0,408 170 1,37 11,2 7,6
16,0 0,565 73 1,570 -78 0,1219 -64 0,404 164 1,37 11,1 7,5
16,5 0,564 65 1,552 -86 0,1242 -69 0,402 157 1,36 11,0 7,4
17,0 0,564 57 1,548 -92 0,1266 -74 0,398 152 1,35 10,9 7,4
17,5 0,564 51 1,554 -98 0,1292 -78 0,396 147 1,32 10,8 7,4
18,0 0,567 47 1,562 -102 0,1319 -81 0,394 143 1,28 10,7 7,6
CFY25
Semiconduc tor Gr oup 6 of 8 Draft D , Jul. 98
Typical Common Source S-Parameters CFY25-20 (continued)
VDS = 3 V, ID = 30 mA, Zo = 50
f |S11| <S11 |S21| <S21 |S12| <S12 |S22| <S22 k-Fact. S
21
/S
12
MAG
[GHz] [mag] [ang] [mag] [ang] [mag] [ang] [mag] [ang] [mag] [dB] [dB]
0,5 0,953 -24 3,987 159 0,0140 74 0,657 -15 0,49 24,5
1,0 0,921 -30 3,858 153 0,0246 67 0,647 -18 0,53 22,0
1,5 0,892 -39 3,714 146 0,0346 60 0,634 -23 0,56 20,3
2,0 0,861 -49 3,583 138 0,0444 55 0,621 -28 0,59 19,1
2,5 0,836 -60 3,484 128 0,0543 49 0,608 -35 0,58 18,1
3,0 0,814 -72 3,374 118 0,0621 43 0,594 -41 0,60 17,4
3,5 0,790 -83 3,254 108 0,0684 38 0,576 -47 0,63 16,8
4,0 0,768 -94 3,129 99 0,0736 32 0,557 -53 0,67 16,3
4,5 0,749 -104 3,007 90 0,0779 27 0,541 -59 0,70 15,9
5,0 0,731 -114 2,890 82 0,0810 22 0,527 -65 0,74 15,5
5,5 0,714 -124 2,776 73 0,0844 18 0,515 -72 0,78 15,2
6,0 0,699 -133 2,662 65 0,0863 14 0,505 -78 0,83 14,9
6,5 0,683 -141 2,556 57 0,0880 10 0,498 -84 0,88 14,6
7,0 0,669 -149 2,458 50 0,0893 6 0,492 -89 0,93 14,4
7,5 0,657 -157 2,374 42 0,0904 3 0,486 -94 0,98 14,2
8,0 0,645 -165 2,299 35 0,0918 0 0,480 -99 1,02 14,0 13,1
8,5 0,632 -173 2,233 28 0,0933 -2 0,474 -103 1,07 13,8 12,2
9,0 0,620 179 2,174 21 0,0945 -5 0,467 -108 1,11 13,6 11,6
9,5 0,609 171 2,120 14 0,0960 -8 0,459 -112 1,15 13,4 11,1
10,0 0,600 163 2,071 7 0,0976 -10 0,453 -118 1,18 13,3 10,7
10,5 0,592 154 2,026 0 0,0990 -13 0,446 -123 1,21 13,1 10,4
11,0 0,586 146 1,984 -7 0,1006 -16 0,441 -129 1,23 12,9 10,1
11,5 0,579 138 1,947 -14 0,1026 -19 0,436 -136 1,24 12,8 9,8
12,0 0,574 130 1,910 -21 0,1047 -22 0,432 -142 1,25 12,6 9,6
12,5 0,571 123 1,876 -29 0,1066 -25 0,428 -149 1,26 12,5 9,4
13,0 0,566 115 1,842 -36 0,1088 -28 0,425 -155 1,27 12,3 9,2
13,5 0,563 107 1,806 -43 0,1108 -32 0,424 -161 1,28 12,1 9,0
14,0 0,561 99 1,774 -50 0,1140 -35 0,422 -167 1,27 11,9 8,8
14,5 0,559 91 1,745 -57 0,1170 -39 0,421 -173 1,26 11,7 8,7
15,0 0,556 83 1,719 -64 0,1199 -43 0,419 -179 1,26 11,6 8,5
15,5 0,556 75 1,698 -72 0,1229 -48 0,417 175 1,24 11,4 8,4
16,0 0,556 66 1,676 -79 0,1257 -53 0,414 168 1,23 11,2 8,3
16,5 0,557 58 1,653 -87 0,1286 -58 0,412 162 1,23 11,1 8,2
17,0 0,559 50 1,646 -93 0,1320 -63 0,410 157 1,20 11,0 8,3
17,5 0,561 45 1,649 -99 0,1350 -67 0,409 152 1,16 10,9 8,4
18,0 0,565 40 1,656 -103 0,1376 -71 0,407 148 1,13 10,8 8,6
CFY25
Semiconduc tor Gr oup 7 of 8 Draft D , Jul. 98
Order Instructions:
Full type variant including quality level must be specified by the orderer. For
HiRel
Discrete
and Microwave Semiconductors the ordering code specifies device family and quality level
only.
Ordering Form: Ordering Code: Q..........
CFY25- (nnl) (ql)
(nnl): Noise/Gain/Power Level
(ql): Quality Level
Ordering Example: Ordering Code: Q62703F119
CFY25-20P
For CFY25, Noise/Gain/Power Level 20P:
NF < 2.1dB, Ga > 8.5 dB, P1dB > 14 dBm @ 12 GHz
in ESA Space Quality Level
Further Informations:
See our WWW-Pages:
- Discrete and RF-Semiconductors (Small Signal Semiconductors)
www.siemens.de/semiconductor/products/35/35.htm
-
HiRel
Discrete and Microwave Semiconductors
www.siemens.de/semiconductor/products/35/353.htm
Please contact also our marketing division :
Tel.: ++89 6362 4480
Fax.: ++89 6362 5568
e-mail: martin.wimmers@siemens-scg.com
Address: Siemens Semiconductors,
High Frequency Products Marketing,
P.O.Box 801709,
D-81617 Munich
CFY25
Semiconduc tor Gr oup 8 of 8 Draft D , Jul. 98
Micro-X Package Published by Siemens Semiconductors, High Frequency
Products Marketing, P.O.Box 801709, D-81617 Munich.
Siemens AG 1998. All Rights Reserved.
As far as patents or other rights of third parties are
concerned, liability is only assumed for components per se,
not for applications, processes and circuits implemented
within components or assemblies.
The information describes the type of component and shall
not be considered as assured characteristics.
Terms of delivery and rights to change design reserved.
For questions on technology, delivery and prices please
contact the Offices of Semiconductor Group in Germany or
the Siemens Companies and Representatives woldwide
(see address list).
Due to technical requirements components may contain
dangerous substances. For information on the type in
question please contact your nearest Siemens Office,
Semiconductor Group.
Siemens Semiconductors is a certified CECC and QS9000
manufacturer (this includes ISO 9000).