Page 1
FEATURES
4 BIT
10 - 2000 MHz
50 nSec Switching Speed
CMOS Control
24 Pin Flatpack
PART IDENTIFICATION
1.27
1.100
.100
TYP
24
112
CONTRASTING
COLOR BEAD
13
.015±.002 DIA
24 PLACES
.77
.325 TYP
.20
.070
.xx = .02
.xxx = .010
MODEL NO.
DAT48062
Attenuator 4 Section
RF
IN/OUT
24 23 22 21 20 19 18 17 16 15 14 13
•••••••••
1dB 2dB 4dB 8dB
•• •• •• ••
••••
•• • ••
CONT4CONT1
CONT3
+5V GNDGNDGNDGNDGND
GND
N/C = NO INTERNAL CONNECTION
CONT2
"0"
"0"
"0""1"
GNDGNDGNDGNDGNDGNDGNDGNDGNDGND
GND
RF
IN/OUT
121110987654321
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
VSWR
TYPICAL PERFORMANCE
I.L. (dB)
4.51.9
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
01.0
1
41040100 400 1000 3000
at 25°C
FREQUENCY (MHz)
I.LOSS
VSWR
10000
GUARANTEED PERFORMANCE
Parameter Min Typ Max Units Conditions
Operating Frequency 10 2000 MHz
DC Current 0.3 5.0 mA At +5 VDC Supply
Control Type CMOS 4 Line
Control Current
High
Low
±1 ±40 µA3 - 5 V
±1 ±40 µA0 - 0.5 V
Insertion Loss 3.4 4.0 dB
Attenuation
LSB
Range
0 15 dB 1, 2, 4, 8
Accuracy
Flatness
1dB
+0.05 +0.2 dB
VSWR 1.3/1 1.7/1
Impedance 50 OHMS
Switching Speed 32 50 nSec 50% Control Signal
Transition (Rise/Fall) Time 22 nSec 90% / 10% or 10% / 90% RF
Switching (Video) Transients 34 mV Peak Value
Intercept Points
RF Power
2nd
3rd
Operate
No Damage
+64 +70 dBm 500 MHz / 350 MHz
+38 +45 dBm 250 MHz / 350 MHz
+20 +10 dBm 0.1 dB Compression
+8.8 +7 dBm 0.1 dB Compression @ 10 MHz
+15.2 +13 dBm 0.1 dB Compression @ 100 MHz
+25 dBm
Operating Temperature 0 +25 +65 °CTA
Non-Operating Temperature -34 +95 °CTA
Logic “0” = Thru
Logic “1” = Attenuation
dB ± (0.25 dB +2% of Atten.
Setting in dB)
90% / 10% RF
DAICO I ndustries
Rev. N/D / Iss. 1
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