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9
87
6
RF
IN / OUT
RF
GND
RF
OUT / IN
RF
GND
14
-15V13+15V1CONT4GND
2, 3, 5, 10, 11, 12
N/C
N/C = NO INTERNAL CORRECTION
Parameter Min Typ Max Units Conditions
Operating Frequency 20 300 MHz
DC Current 25 mA At +15 VDC Supply
25 mA At -15 VDC Supply
Control Current 1mA0 V to +5 V Control
Insertion Loss 0.8 1.5 dB
Attenuation
Range
18 20 dB
Slope
6.5±1.5 dB/V
Linearity
±0.8 dB Best Straight Line Fit From
IL +1.5 dB to 18 dB
VSWR 1.15 1.25/1
Impedance 50 OHMS
Slew Rate 6 dB/µs
Intercept Points
2nd
+77 dBm
3rd
+44 dBm
RF Power
Operate
+10 dBm
No Damage
+20 dBm
Operating Temperature 0 +25 +60 °CTA
GUARANTEED PERFORMANCE
1.4
0
0+1+2+3+4+5
CONTROL VOLTAGE
ATTENUATION (dB)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
VSWR
1.3
1.2
1.1
1.0
700 MHz
500 MHz
300 MHz
100 MHz
TYPICAL PERFORMANCE
Attenuation vs Control Voltage
At 100 MHz
VSWR
MODEL NO.
DA0035
PIN Diode Linear VCA
FEATURES
20 - 300 MHz
20 dB Linear Range Typical
±0.8 dB Linearity
+44 dBm 3rd Order Intercept
0.8 dB Insertion Loss
14 Pin DIP
See 100C0911 For Connectorized Version
VCA
DAICO I ndustries
Rev. K / Iss. 1
.018 DIA LEAD
14 PLACES
COLOR BEAD
CONTRASTING
.50
.600
.20
.22
.87
PART IDENTIFICATION
SQUARE
CORNER
.300
.100
TYP
17
814
.xx = .02
.xxx = .010
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