TetraFET
D1213UK
METAL GATE RF SILICON FET
MECHANICAL DATA
D
B
E
8
1
7
6
3
4
2
C
A
F
5
Q
O
N
M
J
K
L
GOLD METALLISED
MULTI-PURPOSE SILICON
DMOS RF FET
6W – 7.2V – 500MHz
SINGLE ENDED
I
P
H
G
DBC1 Package
PIN 1 Source
PIN 2 Drain
PIN 3 Drain
PIN 4 Source
DIM
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
mm
6.47
0.76
45°
0.76
1.14
2.67
11.73
8.43
7.92
0.20
0.64
0.30
3.25
2.11
6.35SQ
1.65
0.13
FEATURES
• SIMPLIFIED AMPLIFIER DESIGN
• SUITABLE FOR BROAD BAND APPLICATIONS
• LOW C
rss
Tol.
.003
.003
5°
.003
.003
.003
.005
.003
.003
.001
.001
.001
.003
.003
.003
.020
max
PIN 5 Source
PIN 6 Gate
PIN 7 Gate
PIN 8 Source
Tol.
0.08
0.08
5°
0.08
0.08
0.08
0.13
0.08
0.08
0.02
0.02
0.02
0.08
0.08
0.08
0.51
max
Inches
.255
.030
45
°
.030
.045
.105
.462
.332
.312
.008
.025
.012
.128
.083
.250SQ
.065
.005
• LOW NOISE
• HIGH GAIN – 10 dB MINIMUM
APPLICATIONS
•
HF/VHF/UHF COMMUNICATIONS
from 1 MHz to 1 GHz
ABSOLUTE MAXIMUM RATINGS
(T
case
= 25°C unless otherwise stated)
P
D
BV
DSS
BV
GSS
I
D(sat)
T
stg
T
j
Semelab plc.
Power Dissipation
Drain – Source Breakdown Voltage
Gate – Source Breakdown Voltage
Drain Current
Storage Temperature
Maximum Operating Junction Temperature
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Website:
http://www.semelab.co.uk
E-mail:
sales@semelab.co.uk
58W
40V
±20V
20A
–65 to 150°C
200°C
Prelim. 7/99
D1213UK
ELECTRICAL CHARACTERISTICS
(T
case
= 25°C unless otherwise stated)
Parameter
Test Conditions
Min.
BV
DSS
I
DSS
I
GSS
g
fs
G
PS
η
C
iss
C
oss
C
rss
Drain–Source
Breakdown Voltage
Zero Gate Voltage
Drain Current
Gate Leakage Current
Forward Transconductance*
Common Source Power Gain
Drain Efficiency
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
V
GS
= 0
V
DS
= 12.5V
V
GS
= 20V
I
D
= 10mA
V
DS
= 10V
P
O
= 6W
V
DS
= 7.2V
f = 500MHz
V
DS
= 0
V
GS
= –5V f = 1MHz
f = 1MHz
f = 1MHz
V
DS
= 12.5V V
GS
= 0
V
DS
= 12.5V V
GS
= 0
I
DQ
= 0.5A
I
D
= 100mA
V
GS
= 0
V
DS
= 0
V
DS
= V
GS
I
D
= 2A
0.5
1.6
10
50
20:1
40
Typ.
Max. Unit
V
1
1
7
mA
µA
V
S
dB
%
—
120
80
8
pF
pF
pF
V
GS(th)
Gate Threshold Voltage*
VSWR Load Mismatch Tolerance
* Pulse Test:
Pulse Duration = 300
µs
, Duty Cycle
≤
2%
THERMAL DATA
R
THj–case
Thermal Resistance Junction – Case
Max. 3°C / W
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Website:
http://www.semelab.co.uk
E-mail:
sales@semelab.co.uk
Prelim. 7/99
D1213UK
10
10
100
8
8
80
P out
Drain Efficiency
W
W
%
11
10
6
P out
6
60
4
4
40
f = 500MHz
Idq = 0.5A
V ds = 7.2V
9
Gain
dB
8
2
f = 500MHz
Idq = 0.5A
V ds = 7.2V
0
0.5
1
P in W
2
20
0
0
2.5
0
0.5
1
P in W
Pout
Gain
7
0
1.5
2
6
2.5
1.5
2
Pout
Drain Efficiency
Figure 1 – Power Output and Efficiency
vs. Power Input.
Figure 2 – Power Output & Gain
vs. Power Input.
-15
-20
-25
IMD3
dBc
D1213UK
f 1 = 500.0 MHz
f 2 = 500.1 MHz
V ds = 7.2V
Idq = 0.5A
OPTIMUM SOURCE AND LOAD IMPEDANCE
Frequency
MHz
500
Z
S
Z
L
Ω
Ω
2.3 - j0.4 2.1 - j1.9
-30
-35
-40
-45
0
2
4
6
8
10
P out W PEP
Figure 3 – IMD vs. Output Power.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Website:
http://www.semelab.co.uk
E-mail:
sales@semelab.co.uk
Prelim. 7/99
D1213UK
Typical S Parameters
!
V
DS
= 7.2V
I
DQ
= 0.2A
# MHZ S MA R 50
!Freq
MHz
70
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
950
1000
S11
mag
0.69
0.74
0.82
0.86
0.89
0.90
0.91
0.92
0.93
0.93
0.93
0.93
0.93
0.92
0.92
0.91
0.92
0.94
0.95
0.93
ang
-147
-153
-161
-167
-172
-176
-179
178
174
171
168
164
162
158
155
153
151
148
144
140
S21
mag
6.8
4.5
2.5
1.6
1.2
1.0
0.7
0.6
0.5
0.5
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
ang
68
59
47
42
35
33
27
26
23
21
20
15
18
16
21
23
29
29
31
29
S12
mag
0.021
0.017
0.015
0.024
0.037
0.052
0.064
0.082
0.095
0.116
0.130
0.148
0.159
0.173
0.182
0.189
0.207
0.235
0.275
0.308
ang
-1
10
50
78
83
87
82
82
80
77
73
66
66
60
58
56
59
59
56
52
S22
mag
0.77
0.79
0.84
0.87
0.89
0.90
0.91
0.92
0.93
0.93
0.94
0.94
0.95
0.94
0.95
0.96
0.96
0.95
0.93
0.92
ang
-160
-163
-167
-169
-171
-173
-175
-177
-178
-179
180
178
177
177
176
175
173
171
170
168
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Website:
http://www.semelab.co.uk
E-mail:
sales@semelab.co.uk
Prelim. 7/99