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FEATURES
3 BIT
.10
.106 DIA THRU
.25
1.300
1.00±.03
4 PLACES
.34
.06
0.10 - 150 MHz
High Intercept Points
Stable Phase
Fast Speed, 150 nSec
PART
IDENTIFICATION
+15V
.25
GND
GND
1.75±.03
1.550
12 dB
6 dB
24 dB
GND
GND
GND
GND
GND
J2
-15V
.10
J1
0.38±.02
2 PLACES
1.50±.03
.15±.05
.025±.002 DIA
12 PLACES
CONNECTOR
SMA FEMALE
2 PLACES
.20
+15V
MODEL NO.
DAT36217
Attenuator 3 Section
6 dB 12 dB 24dB
•• •• ••
•••
•••••
GND
GND GND GND -15V
"1" "0"
24 dB12 dB6 dB
"0"
RFRF
OUT/ININ/OUT
J2J1
VSWR
1.8
1.6
1.4
1.2
1.0 0
TYPICAL PERFORMANCE
I.L. (dB)
2.52.0
2.0
1.5
1.0
0.5
0.1 0.4 1 4 10 40 100 400 1000
at 25°C
I.L. (dB)
VSWR
FREQUENCY (MHz)
GUARANTEED PERFORMANCE
Parameter Min Typ Max Units Conditions
Operating Frequency 0.10 150 MHz
DC Current 3.5 10 mA At +15 VDC Supply
Control Type TTL 3 Line
Control Current
High
Low
Insertion Loss 1.90 3 dB
Attenuation
Flatness
LSB
Range
42 dB 6, 12, 24 dB
Accuracy
VS Range
Phase Shift Vs. Attenuation 0.3 1 DEG
VSWR 1.2/1 1.5/1
Impedance 50 OHMS
Switching Speed 150 300 nSec 50% TTL - 90% / 10% RF
Transition (Rise/Fall) Time 20 nSec 10% / 90% or 90% / 10% RF
Switching (Video) Transients 29 mV Peak Value
Intercept Points
RF Power
2nd
3rd
Operate
No Damage
Operating Temperature -55 +25 +125 °CTA
3.5 10 mA At -15 VDC Supply
Logic “1” = Attenuation
±10 ±100 µA VIH = +2.7 Volts
±10 ±100 µA VIL = 0.5 Volts
0.60 2 dB
6dB
dB ± (0.25 dB +2% of Atten.
Setting in dB)
0.3 +1 DEG
+75 +85 dBm
+35 +58 dBm
+25 +20 dBm 1 dB Compression
+27 dBm
DAICO I ndustries
Rev. - / Iss. 1
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