Coaxial
Switch
50Ω
SP4T
Pin Diode, TTL Driver
Maximum Ratings
Operating Temperature
Storage Temperature
Power
Supply V
-55°C to 100°C
-55°C to 100°C
+6V max.
L(+20 dBm), M(+28 dBm), U(+30 dBm)
ZSDR-425
10 to 2500 MHz
Features
• wideband, 10 to 2500 MHz
• high isolation, 40 dB typ.
Applications
• test set-ups
• antenna switching
• satellite communication
MODEL
NO.
FREQ.
(MHz)
INSERTION LOSS
(dB)
Low band
lw
Typ.
Max.
1.1
1.7
Upper band
U
Typ.
Max.
1.5
2.5
CASE STYLE: GGG126
Connectors
SMA
Model
ZSDR-425
Price
$109.95
Qty.
(1-9)
Coaxial/Pin Connections
RF IN
RF OUT 1
RF OUT 2
RF OUT 3
RF OUT 4
TTL-1
TTL-2
+5V
RF-IN
RF-1
RF-2
RF-3
RF-4
TTL-1
TTL-2
+5V
Switch Electrical Specifications
IN-OUT ISOLATION
(dB)
L
Typ.
60
Min.
40
Frequency Band
M
Typ.
Min.
40
30
U
Typ.
35
Min.
22
ZSDR-425
L= low range(f
L
to 10 f
L
)
f
L
10
f
U
2500
M=mid range(10 f
L
to f
U
/2)
lw=low band (f
L
to f
U
/2)
U=upper range (f
U
/2 to f
U
)
Control Logic
TTL-1
Outline Drawing
TTL-2
Additional Specifications
VSWR ("ON" STATE)
SWITCHING TIME (µSEC)
SUPPLY VOLTAGE
SUPPLY CURRENT
TTL INPUT HIGH THRESHOLD
TTL INPUT LOW THRESHOLD
1 dB COMPRESSION
10 to 100 MHz
Above 100 MHz
1.3 Typ., 1.9 Max.
2.0 Typ., 4.0 Max.
+5V
10mA Max.
2V Min.
0.8V Max.
+6 increasing to +19 dBm
+19 dBm min.
RF-1
DRIVER
+5V
RF-3
RF-2
RF-4
RF IN
TTL LOGIC
TTL-1
RF-1
RF-2
RF-3
RF-4
1
1
0
0
TTL-2
0
1
1
0
Typical Performance Data
ON
(TTL LOW @ 0V)
IN-OUT
Freq.
(MHz)
—
σ
x
10.00
20.00
50.00
100.00
200.00
408.40
500.00
669.85
856.60
1000.00
1118.05
1250.00
1391.95
1578.70
1777.90
2002.00
2176.30
2363.05
2437.75
2500.00
1.22
1.06
0.97
0.94
0.90
1.01
1.06
1.10
1.30
1.39
1.48
1.37
1.51
1.47
1.52
1.66
1.81
1.82
2.08
2.14
0.16
0.12
0.09
0.09
0.08
0.07
0.08
0.07
0.07
0.05
0.05
0.06
0.09
0.05
0.05
0.12
0.09
0.07
0.14
0.16
INSERTION LOSS (dB)
AMP. UNBAL
—
σ
x
0.18
0.15
0.13
0.12
0.12
0.11
0.12
0.12
0.13
0.11
0.13
0.13
0.16
0.15
0.17
0.20
0.20
0.19
0.24
0.25
ZSDR-425
ISOLATION
OFF
(TTL HIGH @ 5V)
IN-OUT
—
σ
x
74.41
70.64
61.72
56.09
49.80
45.66
44.93
44.06
43.15
44.52
42.72
42.75
44.07
40.41
37.07
34.27
30.64
26.86
25.66
25.03
4.10
2.69
2.10
1.46
1.51
1.36
1.43
1.59
1.93
3.69
2.91
2.61
3.21
2.62
2.87
3.55
3.24
2.95
2.78
2.28
ISOLATION (dB)
IN
DELTA
—
x
9.64
8.25
8.97
6.48
6.32
5.61
5.49
5.94
6.13
8.35
8.56
10.05
10.73
9.61
9.43
9.08
7.16
5.63
5.42
5.15
VSWR
ON
—
x
1.40
1.22
1.13
1.11
1.12
1.18
1.20
1.24
1.25
1.24
1.23
1.22
1.20
1.16
1.14
1.16
1.21
1.28
1.30
1.31
σ
5.24
4.56
7.88
2.94
3.03
1.32
1.62
1.86
2.01
2.97
3.40
4.95
3.71
3.27
3.26
1.82
1.46
1.07
1.03
1.27
—
x
1.35
1.19
1.11
1.10
1.13
1.21
1.25
1.30
1.35
1.37
1.37
1.36
1.34
1.31
1.30
1.30
1.30
1.28
1.29
1.30
ZSDR-425
VSWR
OUT(RF 1)
OFF
—
x
27.25
27.08
27.42
26.82
26.58
26.03
24.98
24.36
22.45
20.59
19.44
19.15
18.57
17.15
16.04
13.88
12.25
9.41
7.81
7.10
Outline Dimensions (
inch
)
mm
A
2.25
B
1.38
C
1.24
D
.50
E
F
G
H
J
3.25
K
.12
3.05
wt
grams
80.0
.150 3.100
3.81 78.74
Q
R
.52
.138 1.238
57.15 35.05 31.50 12.70
L
.80
M
.69
N
—
P
3.51 31.45
82.55
S
.82
T
.150
3.81
.60 1.200
20.32 17.53
— 15.24 30.48 13.21 20.83
0.15
0.12
0.09
0.09
0.08
0.07
0.09
0.07
0.08
0.07
0.07
0.06
0.07
0.05
0.05
0.08
0.08
0.04
0.05
0.05
5.0
INSERTION LOSS (dB)
4.0
3.0
2.0
1.0
0.0
at RF level of 10 dBm
ZSDR-425
INSERTION LOSS
100
ISOLATION (dB)
80
at RF level of 10 dBm
1.5
1.4
VSWR
1.3
1.2
1.1
1.0
at RF level of 10 dBm
INPUT
OUTPUT
60
40
20
0
0
500
1000
1500
FREQUENCY (MHz)
2000
2500
0
500
1000
1500
FREQUENCY (MHz)
2000
2500
0
500
1000
1500
2000
2500
FREQUENCY (MHz)
Mini-Circuits
ISO 9001 ISO 14001
CERTIFIED
RF/IF MICROWAVE COMPONENTS
®
minicircuits.com
REV. OR
M97979
ZSDR-425
WP/CP
070305
EW
ALL N
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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