Coaxial
Switch
ZSDR-425
50Ω SP4T Pin Diode, TTL Driver
10 to 2500 MHz
Features
• wideband, 10 to 2500 MHz
• high isolation, 40 dB typ.
Maximum Ratings
Operating Temperature
-55°C to 100°C
-55°C to 100°C
Storage Temperature
Power
L(+20 dBm), M(+28 dBm), U(+30 dBm)
+6V max.
CASE STYLE: GGG126
Applications
Supply V
Connectors
SMA
Model
Price
Qty.
(1-9)
• test set-ups
ZSDR-425
$109.95
• antenna switching
• satellite communication
Coaxial/Pin Connections
RF IN
RF-IN
RF-1
RF-2
RF-3
RF-4
TTL-1
TTL-2
+5V
Switch Electrical Specifications
RF OUT 1
RF OUT 2
RF OUT 3
RF OUT 4
TTL-1
MODEL
NO.
FREQ.
(MHz)
INSERTION LOSS
(dB)
IN-OUT ISOLATION
(dB)
Frequency Band
M
Low band
lw
Upper band
U
L
U
fL
10
fU
Typ.
1.1
Max.
1.7
Typ.
1.5
Max.
2.5
Typ.
60
Min.
40
Typ.
40
Min.
30
Typ.
35
Min.
22
TTL-2
ZSDR-425
2500
+5V
L= low range(fL to 10 fL)
M=mid range(10 fL to fU/2)
lw=low band (fL to fU/2)
U=upper range (fU/2 to fU)
Control Logic
TTL-1
TTL-2
Outline Drawing
DRIVER
Additional Specifications
+ 5 V
RF-3
VSWR ("ON" STATE)
1.3 Typ., 1.9 Max.
2.0 Typ., 4.0 Max.
+5V
SWITCHING TIME (µSEC)
SUPPLY VOLTAGE
RF-1
RF-2
SUPPLY CURRENT
10mA Max.
2V Min.
RF-4
TTL INPUT HIGH THRESHOLD
TTL INPUT LOW THRESHOLD
0.8V Max.
RF IN
1 dB COMPRESSION
10 to 100 MHz
TTL LOGIC
+6 increasing to +19 dBm
+19 dBm min.
TTL-1
TTL-2
Above 100 MHz
RF-1
RF-2
RF-3
RF-4
1
1
0
0
0
1
1
0
Typical Performance Data
ON
INSERTION LOSS (dB)
OFF
(TTL HIGH @ 5V)
IN-OUT
ISOLATION (dB)
VSWR
ON
(TTL LOW @ 0V)
IN-OUT
IN
OUT(RF 1)
OFF
Freq.
AMP. UNBAL
—
DELTA
(MHz)
—
—
—
x
—
x
—
—
σ
σ
σ
σ
x
x
x
x
x
10.00
20.00
50.00
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
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
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
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
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
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
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
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
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
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
inch
Outline Dimensions (
)
mm
A
B
C
D
E
F
G
H
J
K
2.25 1.38 1.24
.50 .150 3.100 .138 1.238 3.25
.12
57.15 35.05 31.50 12.70 3.81 78.74 3.51 31.45 82.55 3.05
L
M
N
—
—
P
Q
R
S
T
wt
grams
80.0
.80
.69
.60 1.200
.52
.82 .150
20.32 17.53
15.24 30.48 13.21 20.83 3.81
7.81
7.10
ZSDR-425
VSWR
ZSDR-425
ISOLATION
ZSDR-425
INSERTION LOSS
at RF level of 10 dBm
at RF level of 10 dBm
at RF level of 10 dBm
1.5
1.4
1.3
1.2
1.1
1.0
100
5.0
4.0
3.0
2.0
1.0
0.0
INPUT
OUTPUT
80
60
40
20
0
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
W
E
N
L
®
L
A
minicircuits.com
Mini-Circuits
ISO 9001 ISO 14001 CERTIFIED
REV. OR
M97979
ZSDR-425
WP/CP
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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