Precision
Digital Step Attenuator
50Ω TTL Control, Pin Diode 10 to 1000 MHz
ZFAT-3610
Maximum Ratings
Features
• wideband, 10 to 1000 MHz
• excellent step accuracy, 0.2 dB typ.
• small, shielded metal case
Operating Temperature
-55°C to 100°C
-55°C to 125°C
15 dBm
Storage Temperature
Input Power
DC Voltage
TTL
5.5 V
CASE STYLE: SSS173
5.5V
Applications
Connectors
SMA
BRACKET (OPTION “B”)
Model
ZFAT-3610
Price
$89.95
$2.50
Qty.
(1-9)
(1+)
• base stations
• cellular
Pin Connections
• test sets
Digital Step Attenuator Electrical Specifications
MODEL
NO.
FREQUENCY
(MHz)
PRIMARY ATTENUATION STEPS
(dB)
ATTENUATION
(dB)
VSWR
(:1)
@TTL CONTROL PORT
(1,1,1)**
Nom.
(0,0,0)
Max.
fL
fU
#1
#2
#3
L
M
U
ZFAT-3610
10
1000
3±0.3
6±0.4
10±0.4
19.0
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
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
0.8V max.
50 kHz typ.
1dB Compression
0 dBm (10-100 MHz)
+10 dBm (100-1000MHz)
inch
mm
Outline Dimensions (
)
A
B
C
D
E
F
G
1.25
1.25
.75
.63
.38 1.000
.125
31.75 31.75 19.05 16.00
9.65 25.40
3.18
H
1.000
25.40
L
M
N
P
Q
wt.
.125 1.688
2.18
.75
.07 grams
1.78 75
3.18 42.88 55.38 19.05
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV. OR
M97802
ZFAT-3610
DJ/VV/CP
051202
Mini-Circuits
Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 •EUROPE 44-1252-832600 • Fax 44-1252-837010
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