Precision
TOAT-51020+
Digital Step Attenuator
50Ω TTL Control, Pin Diode 10 to 1000 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
Input Power
Features
• wideband, 10 to 1000 MHz
• excellent step accuracy, 0.2 dB typ.
• excellent VSWR 1.3 typ.
• low DC current, 6 mA typ.
• hermetic, metal, TO-8 case
-55°C to 100°C
-55°C to 125°C
15 dBm
CASE STYLE: QQ96
PRICE: $64.45 ea. QTY (1-9)
DC Voltage
5.5 V
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
TTL
5.5V
Applications
• base stations
• cellular
• test-sets
• military, hi-rel applications
Permanent damage may occur if any of these limits are exceeded.
Pin Connections
RF IN
4
RF OUT
11
Digital Step Attenuator Electrical Specifications
TTL CONTROL #1
TTL CONTROL #2
TTL CONTROL #3
+5V DC
2
MODEL
NO.
FREQUENCY
(MHz)
PRIMARY ATTENUATION STEPS
(dB)
ATTENUATION
(dB)
VSWR
(:1)
3
1
12
@TTL CONTROL PORT
(1,1,1)**
Nom.
(0,0,0)
Max.
fL
fU
#1
0.4
#2
#3
L
M
U
CASE GROUND
5,6,7,8,9,10
TOAT-51020+
10
1000
5
10 0.4
20 0.5
35.0
4.0
1.6
1.4
1.5
L=10 to 100 MHz
M=100 to 500 MHz
U=500 to 1000 MHz
** Total attenuation above thru-loss.
1. Step accuracy is specified for basic steps. For combination of steps accuracy is additive.
2. Thru-loss is minimum insertion loss with all attenuation elements bypassed (All TTL controls state are Low)
Outline Drawing
3. For optimum operation of TOAT models, ensure the device case is properly connected to the ground plane (of PC board)
Additional Specifications
DC Voltage
DC Current
+5V
12mA max.
Switching Time (50% TTL to within specified
accuracy of the next-selected attenuation step,
and to within 0.1 dB of steady-state Thru-Loss)
10µs typ., 15µs max.,
TTL Input High Threshold
TTL Input Low Threshold
TTL Toggle Rate
2V min
inch
Outline Dimensions (
)
mm
0.8V max.
50 kHz typ.
A
.600
B
.250
6.35
C
.25
D
.016
0.41
E
.020
0.51
F
.04
1dB Compression
0 dBm (10-100 MHz)
+10 dBm (100-1000MHz)
15.24
6.35
1.02
G
.400
10.16
H
.200
5.08
J
.200
5.08
K
.100
2.54
wt
grams
4.0
Electrical Schematic
®
For detailed performance specs
& shopping online see web site
Mini-Circuits
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®
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 The Design Engineers Search Engine
Provides ACTUAL Data Instantly at minicircuits.com
REV. B
M108294
TOAT-51020+
DJ/VV/CP/AM
070326
IF/RF MICROWAVE COMPONENTS
Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet are subject to
Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”);Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard
Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp.
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