Broad Band
Voltage Variable Attenuator
50Ω
RVA-3000+
20 to 3000 MHz
Maximum Ratings
Features
Operating Temperature
Storage Temperature
Absolute Max. Supply Voltage(V+)
Absolute Max. Control Voltage(Vctrl)
Absolute Max. RF Input Level
-55°C to 85°C
-55°C to 85°C
12V
20V
+26 dBm
Pin Connections
RF IN
RF OUT
V CONTROL
V+
GROUND
2
10
6
14
1,3,4,5,7,8,9,11,12,13,15,16
Outline Drawing
•
•
•
•
•
•
•
•
Broadband, 20-3000 MHz, could be used up to 4000MHz
IP3, +55 dBm typ.
Good VSWR at IN/OUT ports over attenuation range
Fast Rise/Fall Time, 5μSec/4μSec Typ.
Minimal phase deviation over attenuation range
No external bias and RF matching network required
Shielded case
Aqueous washable
CASE STYLE: DV874
PRICE: $ 11.95 ea. QTY (10-49)
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
Applications
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
• Power level control
• Feed forward amplifiers
TOP SIDE
Electrical Specifications (TAMB= 25OC)
SIDE VIEW
FREQ.
(MHz)
Min.
PCB Land Pattern
BOTTOM SIDE
MIN. INSERTION MAX. ATTENUATION INPUT
CONTROL
IP3 RETURN POWER SUPPLY
LOSS, dB (+17V)
dB (0V)
POWER Voltage Current (dBm) LOSS Voltage Current
(dBm)
(V)
(mA)
(dB)
(V)
(mA)
Max.
Typ.
Max.
Typ.
Min.
Max.
20 - 500
500 -1500
1500 -3000
2.8
3.0
3.6
3.5
4.0
5.0
56
40
29
39
28
22
+26
+26
+26
0 - 17
0 - 17
0 - 17
Max.
Typ.
Typ.
30
30
30
48
56
57
23
26
21
Max.
+5
+5
+5
10
10
10
Notes:
Rise/Fall time: 5μSec/4μSec Typ.
Switching Time, turn on/off: 6μSec. Typ.
Equivalent Schematic
METALLIZATION
SOLDER RESIST
V+
Suggested Layout,
Tolerance to be within ±.002
Outline Dimensions ( inch
mm )
RF
RF
MATCHING
A
B
C
D
E
F
G
H
J
.500 .500 .195 .100 .080 .115 .060 .040 .540
12.70 12.70 4.95 2.54 2.03 2.92 1.52 1.02 13.72
MATCHING
IN
OUT
V CONTROL
K
L
M
N
P
Q
R
S
wt.
.060 .100 .135 .135 .115 .140 .070 .150 grams
1.52 2.54 3.43 3.43 2.92 3.56 1.78 3.81
1.0
RVA-3000+
TYPICAL ATTENUATION AT 500 MHz
Demo Board MCL P/N: TB-163
Suggested PCB Layout (PL-040)
50
ATTENUATION (dB)
45
40
35
30
25
20
15
10
NOTES:
1. TRACE WIDTH IS SHOWN FOR FR4 WITH DIELECTRIC THICKNESS
0.025” ± 0.0025”; COPPER: 1/2 OZ. EACH SIDE.
FOR OTHER MATERIALS TRACE WIDTH MAY NEED TO BE MODIFIED
2. BOTTOM SIDE OF THE PCB IS CONTINUOUS GROUND PLANE.
5
0
0
3
6
9
12
15
18
CONTROL VOLTAGE (V)
DENOTES PCB COPPER LAYOUT WITH SMOBC
(SOLDER MASK OVER BARE COPPER)
DENOTES COPPER LAND PATTERN FREE OF SOLDER MASK
'.)''#$/&-')#
.
')+"$()')%&*(**!'(("& '&$"&*"&""),"+*-*"+
REV. OR
M106828
EDR-7131/1F1
RVA-3000+
RAV
071202
Page 1 of 2
RVA-3000+
Performance Charts
RVA-3000+
ATTENUATION Vs. FREQUENCY
OVER CONTROL VOLTAGES
RVA-3000+
ATTENUATION Vs. INPUT POWER
OVER CONTROL VOLTAGES AT 500MHz
48
64
0V
2.5V
4V
8V
17V
48
42
ATTENUATION (dB)
ATTENUATION (dB)
56
40
32
24
16
8
0V
2.5V
4V
8V
17V
36
30
24
18
12
6
0
0
0
500
1000
1500
2000
2500
3000
3500
0
4000
5
10
FREQUENCY (MHz)
RVA-3000+
INPUT RETURN LOSS Vs. FREQUENCY
OVER CONTROL VOLTAGES
25
30
56
0V
2.5V
4V
8V
17V
38
0V
2.5V
4V
8V
17V
50
RETURN LOSS (dB)
43
RETURN LOSS (dB)
20
RVA-3000+
OUTPUT RETURN LOSS Vs. FREQUENCY
OVER CONTROL VOLTAGES
48
33
28
23
18
13
44
38
32
26
20
14
8
8
0
500
1000
1500
2000
2500
3000
3500
4000
0
500
1000
FREQUENCY (MHz)
61
600
57
53
49
45
0V
2.5V
4V
8V
17V
41
37
33
1000
1500
2000
2500
3000
3500
4000
PHASE SHIFT (DEG.)
700
500
2000
2500
3000
3500
4000
RVA-3000+
PHASE SHIFT Vs. FREQUENCY
OVER CONTROL VOLTAGES
65
0
1500
FREQUENCY (MHz)
RVA-3000+
IP3 Vs. FREQUENCY
OVER CONTROL VOLTAGES
IP3 (dBm)
15
INPUT POWER (dBm)
500
400
300
200
0V
2.5V
4V
8V
17V
100
0
0
500
1000
FREQUENCY (MHz)
1500
2000
2500
3000
3500
4000
FREQUENCY (MHz)
'.)''#$/&-')#
.
')+"$()')%&*(**!'(("& '&$"&*"&""),"+*-*"+
Page 2 of 2