INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
POSA-138
(+)
118
138
+5
1
16
-72
-100
-125
-145
-163
0.07
0.03
2.3
-40
-30
2.0
12
25
Electrical Specifications
REV. B
M98898
POSA-138
WD/TD/CP
060210
page 1 of 2
Low Noise 118 to 138 MHz
Plug-In
POSA-138+
POSA-138
Voltage Controlled Oscillator
MODEL
NO.
Outline Dimensions ( )
inch
mm
Maximum Ratings
Operating Temperature
-55C to 85C
Storage Temperature
-55C to 100C
Absolute Max. Supply Voltage (Vcc)
+15V
Absolute Max. Tuning Voltage (Vtune)
+24V
all specifications: 50 ohm system
Pin Connections
RF OUT
9
VCC
12
V-TUNE
3
GROUND
1,2,4,5,6,7,8,10,11,13,14,15,16
CASE GROUND
2,5,6,7,8,10,11,13,14
Outline Drawing
Typ.
Typ.
Typ.
Typ.
Typ.
Min. Max.
TUNING
SENSI-
TIVITY
(MHz/V)
HARMONICS
(dBc)
PUSHING
(MHz/V)
PULLING
pk-pk
@ 12 dBr
(MHz)
PHASE NOISE
dBc/Hz SSB at offset
frequencies:
Typ.
POWER
OUTPUT
(dBm)
TUNING
VOLTAGE
(V)
FREQ.
(MHz)
Max.
Min. Max.
100
Hz
CASE STYLE: C07
PRICE: $46.95 ea. QTY (1-9)
Applications
aircraft
transmitters
military hi-rel applications
Features
low phase noise, -163 dBc/Hz at 1 MHz offset, typ.
linear tuning
excellent harmonic suppression, -40 dBc typ.
load insensitive
hermetic, metal case
Typ.
3 dB
MODULATION
BANDWIDTH
(MHz)
DC
OPERATING
POWER
Vcc
(volts)
Current
(mA)
Max.
1
kHz
10
kHz
100
kHz
1
MHz
A
B
C
D
E
.770
.810
.380
.410
.030
19.56
20.57
9.65
10.41
0.76
F
G
H
wt
.200
.20
.14
grams
5.08
5.08
3.56
11.0
+ RoHS compliant in accordance
with EU Directive (2002/95/
EC)
The +suffix identifies RoHS Compliance. See our web
site for RoHS Compliance methodologies and
qualifications.
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
Performance Curves
page 2 of 2
POSA-138
Frequency and Tuning Sensitivity (at +25C)
80
100
120
140
160
180
1
4
7
10
13
16
Tuning Voltage (V)
F
r
equenc
y
(
M
Hz
)
0
2
4
6
8
10
T
uning S
ens
it
iv
it
y
(MH
z
/
V
)
-55C
+25C
+85C
T SENS.
POSA-138
Power Output
2.0
3.0
4.0
5.0
6.0
7.0
1
4
7
10
13
16
Tuning Voltage (V)
O
u
t
p
u
t
Po
w
e
r (d
Bm)
-55C
+25C
+85C
V
TUNE
TUNING
SENS.
(MHz/V)
FREQUENCY (MHz)
POWER OUTPUT (dBm)
HARMONICS (dBc)
FREQ. PUSHING
(MHz/V)
V
TUNE
POSA-138
Harmonics Level
-70
-60
-50
-40
-30
-20
1
4
7
10
13
16
Tuning Voltage (V)
H
a
rmo
n
i
cs (d
Bc)
F2
F3
F4
POSA-138
Frequency Pushing
(Supply Voltage 12V)
0.00
0.01
0.02
0.03
0.04
0.05
1
4
7
10
13
16
Tuning Voltage (V)
P
u
s
h
ing (
M
Hz
/
V
)
-55C
+25C
+85C
-55C
+25C
+85C
F2
F3
F4
1.00
2.71
113.26 112.87 112.65
3.33
3.10
2.70
2.00
2.02
115.30 114.90 114.64
3.72
3.44
3.05
3.00
1.81
117.13 116.71 116.43
4.02
3.77
3.38
4.00
1.75
118.89 118.46 118.15
4.31
4.05
3.65
5.00
1.76
120.68 120.22 119.89
4.59
4.32
3.92
6.00
1.84
122.54 122.05 121.70
4.86
4.59
4.18
7.00
1.94
124.51 124.00 123.62
5.11
4.84
4.42
8.00
2.06
126.59 126.06 125.66
5.27
4.99
4.58
9.00
2.14
128.73 128.20 127.79
5.45
5.16
4.75
10.00
2.17
130.90 130.37 129.95
5.53
5.25
4.84
11.00
2.17
133.08 132.54 132.12
5.50
5.23
4.83
12.00
2.15
135.24 134.69 134.26
5.39
5.08
4.70
13.00
2.13
137.37 136.81 136.33
5.10
4.86
4.49
14.00
2.11
139.48 138.93 138.49
4.67
4.46
4.11
15.00
2.07
141.54 140.99 140.56
4.13
3.95
3.63
16.00
1.98
143.52 142.97 142.54
3.53
3.39
3.10
1.00
-34.25
-42.75
-65.41
0.00
2.00
-36.42
-42.92
-64.59
0.01
3.00
-38.72
-43.72
-60.89
0.01
4.00
-41.00
-44.17
-55.67
0.01
5.00
-43.44
-44.44
-54.77
0.02
6.00
-46.04
-45.37
-54.04
0.02
7.00
-49.29
-45.96
-53.46
0.02
8.00
-50.51
-46.51
-52.51
0.02
9.00
-49.68
-47.51
-51.68
0.01
10.00
-47.94
-48.44
-51.60
0.00
11.00
-46.08
-49.42
-50.42
0.01
12.00
-44.60
-50.27
-49.77
0.01
13.00
-43.33
-51.50
-49.00
0.00
14.00
-42.10
-52.10
-48.60
0.00
15.00
-40.92
-53.75
-47.92
0.01
16.00
-39.86
-55.03
-47.36
0.03
POSA-138+
POSA-138
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