®
DIGITAL STEP ATTENUATORS
50Ω
Precision
TTL CONTROL, PIN DIODE 10 MHz to1 GHz
ZFAT
ZSAT
TO AT
C
O
N
N
E
C
T
I
FREQUENCY
MHz
PRIMARY ATTENUATION STEPS
dB
ATTENUATION
VSWR (:1)
CASE
STYLE
PRICE
$
d B
LOGIC STATE*
MODEL
NO.
@TTL CONTROL PORT
Qty.
(1-9)
(1,1,1)** (0,0,0)
O
N
Note B
fL
fU
#1
#2
#3
Nom .
Ma x.
L
M
U
TO AT-R512
TO AT-124
TO AT-3610
TO AT-4816
TO AT-51020
10
10
10
10
10
1000
1000
1000
1000
1000
0.5±0.18
1±0.25
3±0.3
4±0.4
5±0.4
1±0.25
2±0.25
6±0.4
8±0.4
10±0.4
2±0.25
4±0.3
10±0.4
16±0.5
20±0.5
3.5
7.0
19.0
28.0
35.0
4.0
4.0
4.0
4.0
4.0
1.6
1.6
1.6
1.6
1.6
1.4
1.4
1.4
1.4
1.4
1.5
1.5
1.5
1.5
1.5
Q Q 96 c q
Q Q 96 c q
Q Q 96 c q
Q Q 96 c q
Q Q 96 c q
59.95
59.95
59.95
59.95
59.95
ZFAT-R512
ZFAT-124
ZFAT-3610
ZFAT-4816
ZFAT-51020
10
10
10
10
10
1000
1000
1000
1000
1000
0.5±0.18
1±0.25
3±0.3
4±0.4
5±0.4
1±0.25
2±0.25
6±0.4
8±0.4
10±0.4
2±0.25
4±0.3
10±0.4
16±0.5
20±0.5
3.5
7.0
19.0
28.0
35.0
4.0
4.0
4.0
4.0
4.0
1.6
1.6
1.6
1.6
1.6
1.4
1.4
1.4
1.4
1.4
1.5
1.5
1.5
1.5
1.5
SSS173
SSS173
SSS173
SSS173
SSS173
-
-
-
-
-
89.95
89.95
89.95
89.95
89.95
SIX CONTROL PORTS
ZSAT-31R5
10
1000
(1) 0.5±0.18
(4) 4±0.3
(2) 1±0.25
(5) 8±0.4
(3) 2±0.25
(6)16±0.5
31.5
7.0
1.7
1.5
1.6
AR214
-
119.00
L = 10 to 100 MHz
M = 100 to 500 MHz
U = 500 to 1000 MHz
ADDITIONAL SPECIFICATIONS
DC Vo lta g e +5V
DC c urre nt 12m A m a x.
Switc hing Tim e (50% TTL to within sp e c ifie d a c c ura c y o f the
ne xt-se le c te d a tte nua tio n ste p , a nd to within 0.1 d B o f
ste a d y-sta te Thru-Lo ss) 10 µs typ ., 15µs m a x.
TTL inp ut Hig h Thre sho ld 2V m in.
TTL inp ut Lo w Thre sho ld 0.8V m a x.
TTL To g g le Ra te : 50 kHz typ .
fe a ture s
l wid e fre q ue nc y b a nd , 10-1000 MHz
l e xc e lle nt ste p a c c ura c y, 0.2 d B typ .
l e xc e lle nt VSWR, 1.3 typ .
l lo w DC c urre nt, 6 m A typ .
l o p e ra te s o ve r -55o to 100 C
o
1d B c o m p re ssio n: 0 d Bm (10-100MHz)
+10d Bm (100-1000MHz)
Fo r ZSAT-31R5:
l sm a ll c a se , 0.6" d ia ., TO-8
1d B c o m p re ssio n: +10 d Bm (10-100 MHz)
+15 d Bm (100-1000 MHz)
Log ic func tion:
NOTES:
TTL Hig h a c tiva te s a sso c ia te d in-line a tte nua tio n
TTL Lo w b yp a sse s this a tte nua tio n
*
Fo r ZSAT-31R5: To ta l a tte nua tio n (1,1,1,1,1,1)
Thru-Lo ss (0,0,0,0,0,0)
** To ta l a tte nua tio n a b o ve thru-lo ss.
A. Ge ne ra l Qua lity Co ntro l Pro c e d ure s, Enviro nm e nta l Sp e c ific a tio ns,
Hi-Re l a nd MIL d e sc rip tio n a re g ive n in se c tio n 0, se e “Mini-Circ uits
Gua ra nte e s Qua lity” a rtic le .
B. Co nne c to r typ e s a nd c a se m o unte d o p tio ns, c a se finishe s a re
g ive n in se c tio n 0, se e “Ca se Style s & Outline Dra wing s”.
C. Pric e s a nd Sp e c ific a tio ns sub je c t to c ha ng e witho ut no tic e .
1. Ab so lute m a xim um p o we r, vo lta g e a nd c urre nt ra ting :
1a . Inp ut p o we r, 15 d Bm
NSN GUIDE
MCL NO.
NSN
TOAT-124
TOAT-51020
5985-01-416-9021
5985-01-416-9020
p in c o nne c tio ns
se e c a se style o utline d ra wing
PORT
RF IN
1b . DC vo lta g e , 5.5 Vo lts
1c . TTL, 5.5 Vo lts
c q
4
11
2
3
1
12
1d . Sto ra g e te m p e ra ture -55oC to +125o C fo r TOAT m o d e ls.
2. Ste p a c c ura c y is sp e c ifie d fo r b a sic ste p s. Fo r c o m b ina tio n o f
ste p s a c c ura c y is a d d itive .
RF OUT
TTL CONTROL #1
TTL CONTROL #2
TTL CONTROL #3
+5V DC
3. Thru-lo ss is m inim um inse rtio n lo ss with a ll a tte nua tio n e le m e nts
b yp a sse d (All TTL c o ntro ls sta te a re Lo w).
4. Fo r o p tim um o p e ra tio n o f TOAT m o d e ls, e nsure the d e vic e c a se is
p ro p e rly c o nne c te d to the g ro und p la ne (o f PC b o a rd ).
CASE GND
5,6,7,8,9,10
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