POWER THIN FILM APOWER THIN FILM A
POWER THIN FILM APOWER THIN FILM A
POWER THIN FILM ATTENUATTENUA
TTENUATTENUA
TTENUATORSTORS
TORSTORS
TORS
DCN TF 124-B-0698DCN TF 124-B-0698
DCN TF 124-B-0698DCN TF 124-B-0698
DCN TF 124-B-0698
MINI-SYSTEMS, INC.
THIN FILM DIVISIONTHIN FILM DIVISION
THIN FILM DIVISIONTHIN FILM DIVISION
THIN FILM DIVISION
45 FRANK MOSSBERG DRIVE, ATTLEBORO, MA 0270345 FRANK MOSSBERG DRIVE, ATTLEBORO, MA 02703
45 FRANK MOSSBERG DRIVE, ATTLEBORO, MA 0270345 FRANK MOSSBERG DRIVE, ATTLEBORO, MA 02703
45 FRANK MOSSBERG DRIVE, ATTLEBORO, MA 02703
508-226-2111 FAX: 508-226-2211508-226-2111 FAX: 508-226-2211
508-226-2111 FAX: 508-226-2211508-226-2111 FAX: 508-226-2211
508-226-2111 FAX: 508-226-2211
2828
2828
28
The MSAThe MSA
The MSAThe MSA
The MSAT series Thin Film Power chip attenuators provide attenuation accuracy for frequencies throughT series Thin Film Power chip attenuators provide attenuation accuracy for frequencies through
T series Thin Film Power chip attenuators provide attenuation accuracy for frequencies throughT series Thin Film Power chip attenuators provide attenuation accuracy for frequencies through
T series Thin Film Power chip attenuators provide attenuation accuracy for frequencies through
20 GHz. They offer the low noise, stray capacitance and tight tolerance of Thin Film in compact sizes that20 GHz. They offer the low noise, stray capacitance and tight tolerance of Thin Film in compact sizes that
20 GHz. They offer the low noise, stray capacitance and tight tolerance of Thin Film in compact sizes that20 GHz. They offer the low noise, stray capacitance and tight tolerance of Thin Film in compact sizes that
20 GHz. They offer the low noise, stray capacitance and tight tolerance of Thin Film in compact sizes that
make them ideal for smaller microwave and stripline applications at operating powers to 2 Watts.make them ideal for smaller microwave and stripline applications at operating powers to 2 Watts.
make them ideal for smaller microwave and stripline applications at operating powers to 2 Watts.make them ideal for smaller microwave and stripline applications at operating powers to 2 Watts.
make them ideal for smaller microwave and stripline applications at operating powers to 2 Watts.
MECHANICAL DAMECHANICAL DA
MECHANICAL DAMECHANICAL DA
MECHANICAL DATT
TT
TAA
AA
A
SIZESIZE
SIZESIZE
SIZE
SUBSTRASUBSTRA
SUBSTRASUBSTRA
SUBSTRATETE
TETE
TE
BOND PADSBOND PADS
BOND PADSBOND PADS
BOND PADS
BACKSIDE SURFACEBACKSIDE SURFACE
BACKSIDE SURFACEBACKSIDE SURFACE
BACKSIDE SURFACE
RESISTOR MARESISTOR MA
RESISTOR MARESISTOR MA
RESISTOR MATERIALTERIAL
TERIALTERIAL
TERIAL
ELECTRICAL DAELECTRICAL DA
ELECTRICAL DAELECTRICAL DA
ELECTRICAL DATT
TT
TAA
AA
A
AA
AA
ATTENUATTENUA
TTENUATTENUA
TTENUATION RANGETION RANGE
TION RANGETION RANGE
TION RANGE
AA
AA
ATTENUATTENUA
TTENUATTENUA
TTENUATION ACCURACYTION ACCURACY
TION ACCURACYTION ACCURACY
TION ACCURACY
FREQUENCY RANGEFREQUENCY RANGE
FREQUENCY RANGEFREQUENCY RANGE
FREQUENCY RANGE
IMPEDANCEIMPEDANCE
IMPEDANCEIMPEDANCE
IMPEDANCE
VSWRVSWR
VSWRVSWR
VSWR
-1dB THROUGH -24dB; ( 0.5dB STEPS AVAILABLE )-1dB THROUGH -24dB; ( 0.5dB STEPS AVAILABLE )
-1dB THROUGH -24dB; ( 0.5dB STEPS AVAILABLE )-1dB THROUGH -24dB; ( 0.5dB STEPS AVAILABLE )
-1dB THROUGH -24dB; ( 0.5dB STEPS AVAILABLE )
±0.2dB±0.2dB
±0.2dB±0.2dB
±0.2dB
DC THROUGH 20 GHzDC THROUGH 20 GHz
DC THROUGH 20 GHzDC THROUGH 20 GHz
DC THROUGH 20 GHz
5050
5050
50ΩΩ
ΩΩ
Ω
1.5:1 MAX.1.5:1 MAX.
1.5:1 MAX.1.5:1 MAX.
1.5:1 MAX.
COMMON SERIES DACOMMON SERIES DA
COMMON SERIES DACOMMON SERIES DA
COMMON SERIES DATT
TT
TAA
AA
A
CURRENT NOISECURRENT NOISE
CURRENT NOISECURRENT NOISE
CURRENT NOISE
POWER RAPOWER RA
POWER RAPOWER RA
POWER RATINGTING
TINGTING
TING
TT
TT
T.C.R..C.R.
.C.R..C.R.
.C.R.
HIGH TEMP EXPOSUREHIGH TEMP EXPOSURE
HIGH TEMP EXPOSUREHIGH TEMP EXPOSURE
HIGH TEMP EXPOSURE
THERMAL SHOCKTHERMAL SHOCK
THERMAL SHOCKTHERMAL SHOCK
THERMAL SHOCK
STST
STST
STABILITYABILITY
ABILITYABILITY
ABILITY
OPERAOPERA
OPERAOPERA
OPERATING TEMP RANGETING TEMP RANGE
TING TEMP RANGETING TEMP RANGE
TING TEMP RANGE
STRAY DISTRIBUTEDSTRAY DISTRIBUTED
STRAY DISTRIBUTEDSTRAY DISTRIBUTED
STRAY DISTRIBUTED
CAP CAP
CAP CAP
CAPACITACIT
ACITACIT
ACITANCEANCE
ANCEANCE
ANCE
-20dB TYPICAL-20dB TYPICAL
-20dB TYPICAL-20dB TYPICAL
-20dB TYPICAL
2 W2 W
2 W2 W
2 WAA
AA
ATTS, (70°C DERATTS, (70°C DERA
TTS, (70°C DERATTS, (70°C DERA
TTS, (70°C DERATED LINEARLTED LINEARL
TED LINEARLTED LINEARL
TED LINEARLY TO 150°C) P =Y TO 150°C) P =
Y TO 150°C) P =Y TO 150°C) P =
Y TO 150°C) P = EE
EE
E22
22
2/R/R
/R/R
/R
±150ppm/°C±150ppm/°C
±150ppm/°C±150ppm/°C
±150ppm/°C
150°C, 100 HRS., ±150°C, 100 HRS., ±
150°C, 100 HRS., ±150°C, 100 HRS., ±
150°C, 100 HRS., ±0.25% MAX. 0.25% MAX.
0.25% MAX. 0.25% MAX.
0.25% MAX. ∆∆
∆∆
∆R/R: R/R:
R/R: R/R:
R/R: ±±
±±
±0.0.
0.0.
0.0303
0303
03% MSI TYPICAL% MSI TYPICAL
% MSI TYPICAL% MSI TYPICAL
% MSI TYPICAL
MIL-STD 202, METHOD 107FMIL-STD 202, METHOD 107F
MIL-STD 202, METHOD 107FMIL-STD 202, METHOD 107F
MIL-STD 202, METHOD 107F, ±, ±
, ±, ±
, ±0.25% MAX.0.25% MAX.
0.25% MAX.0.25% MAX.
0.25% MAX.
∆∆
∆∆
∆R/R: R/R:
R/R: R/R:
R/R: ±±
±±
±0.1% MSI TYPICAL0.1% MSI TYPICAL
0.1% MSI TYPICAL0.1% MSI TYPICAL
0.1% MSI TYPICAL
1000 HRS., 70°1000 HRS., 70°
1000 HRS., 70°1000 HRS., 70°
1000 HRS., 70°C, C,
C, C,
C, 100% POWER100% POWER
100% POWER100% POWER
100% POWER,,
,,
, ± ±
± ±
±0.5% MAX. 0.5% MAX.
0.5% MAX. 0.5% MAX.
0.5% MAX. ∆∆
∆∆
∆R/R: R/R:
R/R: R/R:
R/R: ±±
±±
±0.1% MSI TYPICAL0.1% MSI TYPICAL
0.1% MSI TYPICAL0.1% MSI TYPICAL
0.1% MSI TYPICAL
-5-5
-5-5
-555
55
5°C TO +150°C°C TO +150°C
°C TO +150°C°C TO +150°C
°C TO +150°C
0.08pF0.08pF
0.08pF0.08pF
0.08pF
MSAMSA
MSAMSA
MSATT
TT
T
PP
PP
PART NUMBER DESIGNAART NUMBER DESIGNA
ART NUMBER DESIGNAART NUMBER DESIGNA
ART NUMBER DESIGNATIONTION
TIONTION
TION
MSAMSA
MSAMSA
MSATT
TT
T-5, MSA-5, MSA
-5, MSA-5, MSA
-5, MSA TT
TT
T-6, MSA-6, MSA
-6, MSA-6, MSA
-6, MSATT
TT
T-7 SERIES-7 SERIES
-7 SERIES-7 SERIES
-7 SERIES
0.148" x 0.122" (±0.003") x 0.025" (±0.003")0.148" x 0.122" (±0.003") x 0.025" (±0.003")
0.148" x 0.122" (±0.003") x 0.025" (±0.003")0.148" x 0.122" (±0.003") x 0.025" (±0.003")
0.148" x 0.122" (±0.003") x 0.025" (±0.003")
99.6% ALUMINA99.6% ALUMINA
99.6% ALUMINA99.6% ALUMINA
99.6% ALUMINA
25K Å MIN. GOLD; WIRE OR RIBBON BONDABLE, OR SOLDERABLE.25K Å MIN. GOLD; WIRE OR RIBBON BONDABLE, OR SOLDERABLE.
25K Å MIN. GOLD; WIRE OR RIBBON BONDABLE, OR SOLDERABLE.25K Å MIN. GOLD; WIRE OR RIBBON BONDABLE, OR SOLDERABLE.
25K Å MIN. GOLD; WIRE OR RIBBON BONDABLE, OR SOLDERABLE.
GOLDGOLD
GOLDGOLD
GOLD
TT
TT
TANTANT
ANTANT
ANTALUM NITRIDEALUM NITRIDE
ALUM NITRIDEALUM NITRIDE
ALUM NITRIDE
EXAMPLE: MSAEXAMPLE: MSA
EXAMPLE: MSAEXAMPLE: MSA
EXAMPLE: MSAT 7G-03dB (MSAT 7G-03dB (MSA
T 7G-03dB (MSAT 7G-03dB (MSA
T 7G-03dB (MSAT 7 Series: -3dB)T 7 Series: -3dB)
T 7 Series: -3dB)T 7 Series: -3dB)
T 7 Series: -3dB)
XGXG
XGXG
XG
55
55
5
66
66
6
77
77
7
SERIESSERIES
SERIESSERIES
SERIES
dBdB
dBdB
dB
MSAT-7
FULLY SURFACE MOUNTABLE
MSAT-6
TOP CONTACT W/ WRAPAROUND GROUND
MSAT-5
TOP CONTACT W/ GOLD BACK
INPUT OUTPUT
GROUND
INPUT OUTPUT
GROUND
INPUT OUTPUT
GROUND
-4dB
-8dB
-11dB
1817161514131211109876
5
4321 FREQUENCY (GHz)
ATTENUATION ACCURACY OVER FREQUENCY
MSAT-5 ATTENUATOR
INSERTION LOSS
0
3
6
9
12
15