Coaxial
Switch
ZSDR-425
50Ω SP4T Pin Diode, TTL Driver
Features
Maximum Ratings
Operating Temperature
-55°C to 100°C
Storage Temperature
-55°C to 100°C
Power
10 to 2500 MHz
• wideband, 10 to 2500 MHz
• high isolation, 40 dB typ.
L(+20 dBm), M(+28 dBm), U(+30 dBm)
Supply V
Connectors
SMA
• test set-ups
• antenna switching
• satellite communication
Coaxial/Pin Connections
RF IN
RF OUT 1
RF OUT 2
RF OUT 3
RF OUT 4
TTL-1
TTL-2
+5V
CASE STYLE: GGG126
Applications
+6V max.
RF-IN
RF-1
RF-2
RF-3
RF-4
TTL-1
TTL-2
+5V
Model
ZSDR-425
Price
$109.95
Qty.
(1-9)
Switch Electrical Specifications
MODEL
NO.
INSERTION LOSS
(dB)
FREQ.
(MHz)
fL
10
ZSDR-425
Low band
lw
Typ.
Max.
1.1
1.7
fU
2500
L= low range(fL to 10 fL)
IN-OUT ISOLATION
(dB)
Upper band
U
Typ.
Max.
1.5
2.5
M=mid range(10 fL to fU/2)
lw=low band (fL to fU/2)
Frequency Band
M
Typ.
Min.
40
30
L
Typ.
60
Min.
40
Control Logic
TTL-2
Additional Specifications
DRIVER
VSWR ("ON" STATE)
1.3 Typ., 1.9 Max.
SWITCHING TIME (µSEC)
2.0 Typ., 4.0 Max.
SUPPLY VOLTAGE
+5V
SUPPLY CURRENT
10mA Max.
TTL INPUT HIGH THRESHOLD
2V Min.
TTL INPUT LOW THRESHOLD
0.8V Max.
1 dB COMPRESSION
10 to 100 MHz
Above 100 MHz
Min.
22
U=upper range (fU/2 to fU)
TTL-1
Outline Drawing
U
Typ.
35
+5V
RF-1
RF-3
RF-2
RF-4
RF IN
TTL LOGIC
+6 increasing to +19 dBm
+19 dBm min.
TTL-1
TTL-2
RF-1
1
0
RF-2
1
1
RF-3
0
1
RF-4
0
0
Typical Performance Data
ON
(TTL LOW @ 0V)
IN-OUT
Freq.
(MHz)
—
σ
x
B
C
D
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
.80
.69
—
20.32 17.53
F
G
Q
R
S
T
wt
.60 1.200
.52
.82
.150
grams
— 15.24 30.48 13.21 20.83
3.81
80.0
at RF level of 10 dBm
ZSDR-425
INSERTION LOSS
100
4.0
ISOLATION (dB)
INSERTION LOSS (dB)
5.0
P
E
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
3.0
2.0
1.0
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
at RF level of 10 dBm
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
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
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
0
500
1000
1500
FREQUENCY (MHz)
2000
2500
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
ZSDR-425
ISOLATION
1.5
80
1.4
60
1.3
40
VSWR
IN
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
σ
—
x
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
at RF level of 10 dBm
ON
—
x
OUT(RF 1)
OFF
—
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
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
ZSDR-425
VSWR
INPUT
OUTPUT
1.2
1.1
20
1.0
0
0.0
ISOLATION (dB)
VSWR
Outline Dimensions (inch
mm )
A
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
INSERTION LOSS (dB)
0
500
1000
1500
FREQUENCY (MHz)
2000
0
2500
500
1000
1500
2000
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RF/IF MICROWAVE COMPONENTS
2500
FREQUENCY (MHz)
REV. OR
M97979
ZSDR-425
WP/CP
070305