COAX SWITCHES
PART NUMBER
CCT-38S
CT-38S
DESCRIPTION
Commercial Normally Open Multi-throw, DC-18GHz
Elite Normally Open Multi-throw, DC-22GHz
Series CCT-38S/CT-38S
Multi-Throw DC–18 GHz/DC-22 GHz
Normally Open Coaxial Switch
The CCT-38S/CT-38S is an internally terminated, broadband, multi-throw, electromechanical coaxial
switch designed to switch a microwave signal from a common input to any of 3, 4, 5, or 6 outputs.
The characteristic impedance is 50 Ohms. Internal terminations provide an impedance match for the
unselected ports. The switches are small using the popular connector spacing on a 1.062” dia. circle.
Each position has an individual actuator mechanism allowing random position selection. This also
minimizes switching time.
The CCT-38S/CT-38S comes with a normally open actuator. For the normally open actuator, all ports are
terminated in 50 Ohms, except the common input port which is open when the switch is de-energized.
ENVIRONMENTAL AND PHYSICAL CHARACTERISTICS
Operating Temperature
Commercial Model, CCT-38S
Elite Model, CT-38S
Vibration (MIL-STD-202 Method 214,
Condition D, non-operating)
Shock (MIL-STD-202 Method 213,
Condition D, non-operating)
Standard Actuator Life
Actuator Life w/ Additional Features
Connector Type
Humidity (Moisture Seal)
Weight
–40°C to 65°C
–55°C to 85°C
10 g’s RMS
500 g’s
5,000,000 cycles
1,000,000 cycles
SMA
Available
6 oz. (170.1g) (max.)
ELECTRICAL CHARACTERISTICS
Form Factor
Frequency Range
CCT-38S
CT-38S
Characteristic Impedance
Terminations
Operate Time
Release Time
Actuation Voltage Available
Actuation Current, max. @ ambient
Multi-Throw,,
break before make
DC–18 GHz
DC–22 GHz
50 Ohms
50Ω, 2 Watts CW max.
15 ms (max.)
15 ms (max.)
12
15
24
28 V
420 350 250 200 mA
PERFORMANCE CHARACTERISTICS
Frequency
Insertion Loss, dB,
max.
Isolation, dB, min.
VSWR , max.
DC–4 GHz
0.1
80
1.05:1
4–8 GHz
0.2
80
1.1:1
8–12 GHz
0.2
80
1.2:1
12–16 GHz
0.3
80
1.2:1
16-20 GHz
0.3
75
1.2:1
20-22 GHz
0.4
70
1.2:1
PART NUMBERING SYSTEM
CCT-38
S
1
6
C
-
T
**
Series
Connectors
Actuator Voltage
CONNECTOR
S
:
SMA FEMALE
ACTUATOR VOLTAGE
NUMBER OF POSITIONS
ACTUATOR TYPE
Options
Actuator Type
Number of Positions
OPTIONS
T
:
TTL DRIVERS WITH DIODES
D
:
COIL TRANSIENT SUPPRESSION DIODES
R
:
POSITIVE
1: 28
VDC NORMALLY OPEN
2: 15
VDC NORMALLY OPEN
3: 12
VDC NORMALLY OPEN
4: 24
VDC NORMALLY OPEN
3:
SP
3
T
4:
SP
4
T
5:
SP
5
T
6:
SP
6
T
0
:
NO INDICATOR CONTACTS
C
:
INDICATOR CONTACTS
+
COMMON
TD
:
DECODERS AND TTL DRIVERS WITH
DIODES
**
SEE PARTS LIST ON PAGE
12-14
M
:
MOISTURE SEAL
S
:
D
-
SUB CONNECTOR
*
For additional options, please contact factory.
© 2013 TELEDYNE RELAYS
(800) 284-7007 • www.teledynecoax.com
* D-Sub Connector may be 9 or 15 pin depending on
number of throws. (See Connector Pinout page)
CCT-38S/CT-38S Page 1
CCT-38S\CT-38S\082013\Q3
Series CCT-38S/CT-38S
Multi-Throw DC–18 GHz/DC-22 GHz
Normally Open Coaxial Switch
SCHEMATICS AND MECHANICAL OUTLINE
COAX SWITCHES
Analog
Indicators
TTL
SP3T
14X SOLDER TERMINALS
SOLDER WIRE MAXIMUM
TEMP 250ºC FOR NO
MORE THAN 5 SEC
SP5T
SP6T
SP4T
H = 1.85 STD, Indicator & D-Sub Models
H = 2.50 All OTHER Models
“-
S OPTION
”
9
-
PIN D
-
SUB OR
15-
PIN D
-
MICRO CONNECTOR
(
EXAMPLE
:
CCT
-38
S
160-
S
)
CCT-38S/CT-38S Page 2
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
© 2013 TELEDYNE COAX SWITCHES
CCT-38S\CT-38S\082013\Q3
Series CCT-38S/CT-38S
Multi-Throw DC–18 GHz/DC-22 GHz
Normally Open Coaxial Switch
CONNECTOR PINOUT FOR NORMALLY OPEN SP5T MULTI-THROW SWITCHES
E
XAMPLE
I
NDICATOR
TTL
D
ECODERS
& TTL
PIN NO.
1
2
3
4
5
6
7
8
9
10
11
12
N
/
A
COAX SWITCHES
CT-38S150-S
CT-38S15C-S
Y
ES
CT-38S150-TS
CT-38S15C-TS
Y
ES
CT-38S150-TDS
CT-38S15C-TDS
Y
ES
Y
ES
Y
ES
Y
ES
Y
ES
15-P
IN
L
OGIC
1
L
OGIC
2
L
OGIC
3
9-P
IN
P
ORT
1
P
ORT
2
P
ORT
3
P
ORT
4
P
ORT
5
15-P
IN
P
ORT
1
P
ORT
2
P
ORT
3
P
ORT
4
P
ORT
5
9-P
IN
TTL 1
TTL 2
TTL 3
TTL 4
TTL 5
15-P
IN
TTL 1
TTL 2
TTL 3
TTL 4
TTL 5
9-P
IN
L
OGIC
1
L
OGIC
2
L
OGIC
3
C
OMMON
C
OMMON
C
OMMON
V
SW
C
OMMON
V
SW
D I
NDICATOR
(COM)
E I
NDICATOR
F I
NDICATOR
G I
NDICATOR
C
OMMON
V
SW
C
OMMON
V
SW
D I
NDICATOR
(COM)
E I
NDICATOR
F I
NDICATOR
G I
NDICATOR
D I
NDICATOR
(COM)
E I
NDICATOR
F I
NDICATOR
G I
NDICATOR
N
/
A
N
/
A
13
14
15
H I
NDICATOR
K I
NDICATOR
H I
NDICATOR
K I
NDICATOR
H I
NDICATOR
K I
NDICATOR
CONNECTOR PINOUT FOR NORMALLY OPEN SP6T MULTI-THROW SWITCHES
E
XAMPLE
I
NDICATOR
TTL
D
ECODERS
& TTL
PIN NO.
1
2
3
4
5
6
7
8
9
10
11
12
N
/
A
CT-38S160-S
CT-38S16C-S
Y
ES
CT-38S160-TS
CT-38S16C-TS
Y
ES
CT-38S160-TDS
CT-38S16C-TDS
Y
ES
Y
ES
Y
ES
Y
ES
Y
ES
15-P
IN
L
OGIC
1
L
OGIC
2
L
OGIC
3
9-P
IN
P
ORT
1
P
ORT
2
P
ORT
3
P
ORT
4
P
ORT
5
P
ORT
6
C
OMMON
15-P
IN
P
ORT
1
P
ORT
2
P
ORT
3
P
ORT
4
P
ORT
5
P
ORT
6
C
OMMON
9-P
IN
TTL 1
TTL 2
TTL 3
TTL 4
TTL 5
TTL 6
C
OMMON
V
SW
15-P
IN
TTL 1
TTL 2
TTL 3
TTL 4
TTL 5
TTL 6
C
OMMON
V
SW
D I
NDICATOR
(COM)
E I
NDICATOR
F I
NDICATOR
G I
NDICATOR
9-P
IN
L
OGIC
1
L
OGIC
2
L
OGIC
3
C
OMMON
V
SW
C
OMMON
V
SW
D I
NDICATOR
(COM)
E I
NDICATOR
F I
NDICATOR
G I
NDICATOR
D I
NDICATOR
(COM)
E I
NDICATOR
F I
NDICATOR
G I
NDICATOR
N
/
A
N
/
A
13
14
15
H I
NDICATOR
K I
NDICATOR
L I
NDICATOR
H I
NDICATOR
K I
NDICATOR
L I
NDICATOR
H I
NDICATOR
K I
NDICATOR
L I
NDICATOR
CCT-38S/CT-38S Page 4
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
© 2013 TELEDYNE COAX SWITCHES
CCT-38S\CT-38S\082013\Q3
COAX SWITCHES
TRUTH TABLE Normally Open
CCT-38SX3C-T
Logic
Input
1
1
0
0
2
0
1
0
3
0
0
1
J1
On
Off
Off
RF Path
J2
Off
On
Off
J3
Off
Off
On
E
C
0
0
Indicator
Switches
F
0
C
0
G
0
0
C
Series CCT-38S/CT-38S
Multi-Throw DC–18 GHz/DC-22 GHz
Normally Open Coaxial Switch
TRUTH TABLE Normally Open
CCT-38SX3C-TD
Logic
Input
1
0
1
0
1
2
0
0
1
1
J1
On
Off
Off
Off
RF Path
J2
Off
On
Off
Off
J3
Off
Off
On
Off
E
C
0
0
0
Indicator
Switches
F
0
C
0
0
G
0
0
C
0
TRUTH TABLE Normally Open
CCT-38SX4C-T
Logic Input
1
1
0
0
0
2
0
1
0
0
3
0
0
1
0
4
0
0
0
1
J1
On
Off
Off
Off
RF Path
J2
Off
On
Off
Off
J3
Off
Off
On
Off
J4
Off
Off
Off
On
E
C
0
0
0
Indicator
Switches
F
0
C
0
0
G
0
0
C
0
H
0
0
0
C
TRUTH TABLE Normally Open
CCT-38SX4C-TD
Logic Input
1
0
1
0
1
1
2
0
0
1
1
1
3
0
0
0
0
1
J1
On
Off
Off
Off
Off
RF Path
J2
Off
On
Off
Off
Off
J3
Off
Off
On
Off
Off
J4
Off
Off
Off
On
Off
E
C
0
0
0
0
Indicator
Switches
F
0
C
0
0
0
G
0
0
C
0
0
H
0
0
0
C
0
© 2013 TELEDYNE RELAYS
(800) 284-7007 • www.teledynecoax.com
CCT-38S/CT-38S Page 5
CCT-38S\CT-38S\082013\Q3
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