DBM-300B
Connector Equipped
Double Balanced
Tacan Mixer
3QO.1500
MHz
DESCRIPTION
DBM-3OOB
a SMA
is
connector-
equiWed double balanced mixer
suitable for Tacan applications. Over
this band the mixer offers typically 5.5
dB conversion loss, high uniform
isolations and excellent match.
The rugged transmissk>n line
transformers and a quad of precisely
matched Schottky diodes are sealed in
a sturdy package with a nnlntlng
bracket, simplifying mechanical
Installation.
GUARANTEED MINIMUM
PERFORMANCE DATA
TEST CONDITION:
LO
+
7 dBm (High side LO)
AF -
10dBm
IF 100 MHz
NOTE:
Specifications below, guaranteed with IF from
DC to 500 MHz. For higher IF frequencies.
consult
IF
response
curve for typical
rolloff.
OVERAU FREQUENCY RANGE IN MHz:
L
A
X
300.1500
300.1500
DC-7OG
FREQUENCY BANDS IN MHz:
300- 800- 1300-
800 1300 1500
CofWersion Loss 9.5 7.0 8.0
L-A Isolation
35 30
25
L-X
Isolation
25 20 20
A-X Isolation
17 15
10
ABSOLUTE MAXIMUM RATINGS:
Operating Temp. - 54 to + 100.C
X-por1Input Current 50 mA
Total Input Power 200 mW @ + 25°C
Derate linearly to 50 mW @ 100°C
DC POLARITY:
Positive
with L a~ A port signalsin..phase
CJ)
~
x
-
~
w
Each DBM-300B
mixer is
individually tested to Vari-L's
demanding quality and performance
specifications.
LIMITED
WARRANTY
Vari-l Company, Inc. warrants its
products against defects in parts and
workmanship for a period of one year
VARI-l Company, Inc. 11101East 51st Avenue Denver, CoIo~
80239 Phone: (303) 371-1560TWX: 910.932'{)311
79
DBM-300B
Connector Equipped
Double Balanced
Tacan Mixer
300-1500MHz
x
m
~
cn
~
-
TYPICAL PERFORMANCE
lrT1)edance: ports 50 ohms
All
1 dB Compression
Point: + 2 dBm
1 dB Desensitization
Point:0 dBm
3rd Order InterceptPoint: + 12 dBm
Noise FigureIs within 1 dB of conversm ~
lO PowerRange: + 4 to + 13 dBm
ENVIRONMENTAL
CONDITIONS
GUARANTEED ENVIRONMENTAL
PERFORMANCE:
All units are designed to meet their
specifications over - 54.C to
+ 100.C and after exposure to any or
all of the following tests per
MIL-STD-202E.
PACKAGE
MATERIAL:
Header & Plate: CAS per
00.s..698
Cover: Teme Coated Steel per
Federal Starard Specifications
QO.T-191b.Class 1, Type 2.
Grade B
Base material conforms to
00.s..698
Connector body: Stainless Steel
per QO.5-764, Class 303. ~.
A
,
~
Exposur8
Thermal Shock
AItit~
H.F. Vibration
Mechanical Shock
Random Vibration
(IS--perU8j
Te.t
Method Condition
1070
10SC
2O4C
2138
214
B
G
0
C
IIF
C
.
Contacts:Beryllium~r
QO.c.530,Half hard
per
Dielectric: Poiytetrafluorethylene
per Mll-P-19468
FederalSpecification
l-P-403
Solderability
~
211A
Terminal Strength
Resistance to
SolderingHeat 21OA
B
Sealedunits, meet the requirements
of
MethOO1(H)Qof MIL-sTD-202E when
exposed to humidity.
FINISH:
Header,Plate,800 Cover.
bright nickel per QO.N-2O9A,
Class 1, Grade F, Form 58 over
Cq)P8r per Mll-G-1455OA. Class
3 ~nector:
Per paragraph
4,6,11. of Mll-G-39012.
Pin:Gold per Mll-G45204. Type
1. GradeC. Class2
M-
CIJ::---~:::~:~~t~~.
fl".
-I
I
..- ...
~
~iii~~'"
cu...
- I
~
--
0
~
-
'.-
--
~~
c~'
~
005
10
FI8QuerM:Y
':=:3-
100
In MHz
:lX)SX)7tX)
80
VARI-L
Company, Inc. 11101East 51st Avenue Denver, Colorado 80239 Phone: (303) 371-1560TWX: 91Q..932.()311