ISO 9001 ISO 14001 CERTIFIED
Mini-Circuits
®
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site
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50Ω 1600 to 2200 MHz
Voltage Variable Attenuator
Surface Mount
VACC-22+
Electrical Specifi cations
REV. B
M108294
VACC-22+
EDB-030703
BCELL/RS/CP
080206
Features
• frequency range, 1600-2200 MHz
• IP3, 42 dBm typ.
• minimum current at min. attenuation
• low insertion loss
• aqueous washable
• protected by US Patent 7,030,713
Applications
• variable gain amplifi er
• feed forward amps
• ALC circuits
CASE STYLE: GF995
PRICE: $3.95 ea. QTY. (25)
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffi x has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifi cations.
Maximum Ratings
RF IN 2
V CONTROL 1 8
V CONTROL 2 4
RF OUT 6
GROUND 1,3,5,7
Operating Temperature -45°C to 85°C
Storage Temperature -55°C to 100°C
Absolute Max. Control Current 10mA
Absolute Max. RF Input Level 15dBm
FREQ.
(MHz) INSERTION LOSS
(dB) ATTENUATION
(dB) IP3*
(dBm) RETURN LOSS
(dB) CONTROL
VOLTAGE**
at 0V control voltage Input Output (V)
Min. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Typ.
1600 2220 1.2 1.5 25 23 42 38 20 20 0-5
VACC-22+
ATTENUATION Vs. FREQUENCY Vs.
CONTROL VOLTAGE
0
5
10
15
20
25
30
35
40
45
1.6 1.7 1.8 1.9 2 2.1 2.2
FREQUENCY (GHz)
ATTENUATION (dB)
0V 0.5V 0.6V 0.7V 0.8V
0.9V 1.0V 1.1V 1.2V 1.3V
VACC-22+
TYPICAL ATTENUATION AT 1900 MHz
0
5
10
15
20
25
30
35
40
45
012345
CONTROL VOLTAGE (V)
ATTENUATION (dB)
Outline Drawing
Outline Dimensions ( )
inch
mm
PCB Land Pattern
Suggested Layout,
Tolerance to be within ±.002
ABCDEFGH J
.150 .150 .050 .008 .036 .018 .062 .028 .022
3.81 3.81 1.27 0.20 0.91 0.46 1.57 0.71 0.56
KLMNPQRSTwt
.017 .014 .036 .018 .062 .028 .037 .017 .014 grams
0.43 0.36 0.91 0.46 1.57 0.71 0.94 0.43 0.36 0.06
Equivalent schematic of DUT
26
84* Input IP3 tested with two tones separated by 1 MHz at 7 dBm each and 0V control voltage.
** Using recommended control port biasing.
Pin Connections
ISO 9001 ISO 14001 CERTIFIED
Mini-Circuits
®
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site
The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com
RF/IF MICROWAVE COMPONENTS
minicircuits.com
ALL NEW
Page 2 of 3
VACC-22+
Demo Board MCL P/N: TB-250
Suggested PCB Layout (PL-148)
Recommended control port
biasing confi guration
2
8
6
4
RF I N RF OUT
V CONTROL
C1
C2
C3
C4
R1
R2
R1 , R2: 2K OHM CHIP RESISTOR (0 4 0 2 , AS CLOSE AS POSSIBLE TO THE DEVICE)
C1, C2: 0. 01 UF CHIP CA PA CITOR ( 0603)
C3, C4: 6.8 PF CHI P CAPACI TOR (0603)
DC BL OCK DC BL OCK
DUT
VACC-22+
INPUT RETURN LOSS Vs. FREQUENCY Vs. CONTROL
VOLTAGE
15
20
25
30
35
1.6 1.7 1.8 1.9 2 2.1 2.2
FREQUENCY (GHz)
RETURN LOSS (dB)
0V 0.5V 0.6V 0.7V 0.8V 0.9V 1.0V 1.1V 1.2V
1.3V 1.4V 1.5V
VACC-22+
OUTPUT RETURN LOSS vs. FREQUENCY vs.
CONTROL VOLTAGE
19
21
23
25
27
29
31
33
35
1.6 1.7 1.8 1.9 2 2.1 2.2
FREQUENCY (GHz)
RETURN LOSS (dB)
0V 0.5V 0.6V 0.7V 0.8V 0.9V 1.0V 1.1V
1.2V 1.3V 1.4V 1.5V
ISO 9001 ISO 14001 CERTIFIED
Mini-Circuits
®
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site
The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com
RF/IF MICROWAVE COMPONENTS
minicircuits.com
ALL NEW
Page 3 of 3
VACC-22+
IP3 Vs. CONTROL VOLTAGE @ 85°C
0
10
20
30
40
50
60
0 0.2 0.4 0.6 0.8 1 1.2 1.4
CONTROL VOLTAGE (V)
IP3 (dBm)
IP3 at 1600 MHz IP3 at 1900 MHz IP3 at 2200 MHz
VACC-22+
PHASE SHIFT Vs. FREQUENCY Vs. CONTROL
VOLTAGE (PCS)
-0.5
0.0
0.5
1.0
1.9 1.91 1.92 1.93 1.94 1.95 1.96 1.97 1.98 1.99
FREQUENCY (GHz)
NORMALIZED PHASE
(DEG.)
0V 0.5V 0.6V 0.7V 0.8V 0.9V
VACC-22+
IP3 Vs. CONTROL VOLTAGE@ 25°C
0
10
20
30
40
50
60
0 0.5 1 1.5
CONTROL VOLTAGE (V)
IP3 (dBm)
IP3 at 1600 MHz IP3 at 1900 MHz IP3 at 2200 MHz
VACC-22+
IP3 Vs. CONTROL VOLTAGE @ -45°C
0
10
20
30
40
50
60
0 0.2 0.4 0.6 0.8 1 1.2 1.4
CONTROL VOLTAGE (V)
IP3 (dBm)
IP3 at 1600 MHz IP3 at 1900 MHz IP3 at 2200 MHz
VACC-22+
PHASE SHIFT Vs. FREQUENCY Vs. CONTROL VOLTAGE
(UMTS)
-2.0
-1.5
-1.0
-0.5
0.0
0.5
2.11 2.12 2.13 2.14 2.15 2.16 2.17
FREQUENCY (GHz)
NORMALIZED
PHASE (DEG.)
0V 0.5V 0.6V 0.7V 0.8V 0.9V
VACC-22+
Performance Curves
