COAX SWITCHES
PART NUMBER
CCRT-33S
CRT-33S
DESCRIPTION
Series CCRT-33S/CRT-33S
Internal 50Ω Termination DC–18 GHz/DC-22 GHz
Latching SPDT Coaxial Switch
Commercial Latching SPDT, DC-18GHz, Internal 50Ω Termination
Elite Latching SPDT, DC-22GHz, Internal 50Ω Termination
The CCRT-33S/CRT-33S is an internally terminated, broadband, SPDT, electromechanical coaxial switch
designed to switch a microwave signal from a common input to either of two outputs. The characteristic
impedance is 50 Ohms. Internal terminations provide an impedance match for the unselected port. The
switches are small with the minimum spacing that is compatible with SMA connectors.
ENVIRONMENTAL AND PHYSICAL CHARACTERISTICS
Operating Temperature
Commercial Model, CCRT-33S
Elite Model, CRT-33S
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
2.65 oz. (75.13g) (max.)
ELECTRICAL CHARACTERISTICS
Form Factor
Frequency Range
CCRT-33S
CRT-33S
Characteristic Impedance
Terminations
Operate Time
Release Time
Actuation Voltage Available
Actuation Current, max. @ ambient
SPDT,
break before make
DC–18 GHz
DC–22 GHz
50 Ohms
50Ω, 2 Watts CW max.
10 ms (max.)
10 ms (max.)
12
15
24
28 V
420 350 280 200 mA
PERFORMANCE CHARACTERISTICS
Frequency
Insertion Loss, dB,
max.
Isolation, dB, min.
VSWR , max.
DC–6 GHz
0.2
80
1.1:1
6–12 GHz
0.3
75
1.2:1
12–18 GHz
0.4
70
1.3:1
18–22 GHz
0.5
70
1.5:1
PART NUMBERING SYSTEM
CCRT-33
Series
Connectors
Actuator Voltage
Connector
S: SMA Female
Actuator Voltage
6: 28 Vdc Latching
7: 15 Vdc Latching
8: 12 Vdc Latching
9: 24 Vdc Latching
S
6
C
-
T **
Options
Actuator Type
Actuator Type
0: Standard Contacts
C: Indicator Contacts
D: Self Cutoff Only
E: Indicators and Self Cutoff
**SEE PARTS LIST ON PAGE 8
Options
T: TTL Drivers with Diodes
D: Transient Suppression
Diodes
R: Positive + Common
M: Moisture Seal
S: 9 Pin D-Sub Connector
For other options, contact factory.
© 2013 TELEDYNE RELAYS
(800) 284-7007 • www.teledynecoax.com
CCRT-33S/CRT-33S Page 1
CCRT-33S\CRT-33S\082013\Q3
Series CCRT-33S/CRT-33S
Internal 50Ω Termination DC–18 GHz/DC-22 GHz
Latching SPDT Coaxial Switch
SCHEMATICS AND MECHANICAL OUTLINE
COAX SWITCHES
H= 1.75 MAX. STD & Indicator Model
H=1.90 MAX. TTL Model
H= 2.05 MAX. 9-Pin D-Sub Model
Indicators
TTL
1
6
Analog
“-
S OPTION
”
9
-
PIN D
-
SUB CONNECTOR
(
EXAMPLE
:
9 PIN D-SUB PINOUT FOR LATCHING SPDT
OPTIONS
CCRT
-33
S
60-
S
)
TRUTH TABLE (with TTL option)
Indicators &
TTL
Logic Input
1
0
1
0
1
2
0
0
1
1
RF Path
IN
to 1
On
Terminated
Pin
No.
1
2
3
4
5
6
7
8
9
Indicator
(if applicable)
Basic
1
2
C
Indicators
1
2
C
TTL
IN
to 2
A
B
Common
1
2
Vsw
A
B
C
Common
1
2
Vsw
A
B
C
No Change
Terminated
C
0
0
C
On
Forbidden
CCRT-33S/CRT-33S Page 2
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
© 2013 TELEDYNE COAX SWITCHES
CCRT-33S\CRT-33S\082013\Q3
COAX SWITCHES
Series CCRT-33S/CRT-33S
Internal 50Ω Termination DC–18 GHz/DC-22 GHz
Latching SPDT Coaxial Switch
TYPICAL NARROWBAND RF INSERTION LOSS PERFORMANCE CURVES
Insertion Loss ( DC-6 GHz )
0.0
-0.1
0.0
-0.1
Insertion Loss ( 6-12 GHz )
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
0
1
2
3
4
5
6
Insertion Loss (dB)
Insertion Loss (dB)
-0.2
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
6
7
8
9
10
11
12
Frequency (GHz)
Frequency (GHz)
Insertion Loss ( 12-18 GHz )
0.0
-0.1
0.0
-0.1
Insertion Loss ( 18-22 GHz )
Insertion Loss (dB)
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
12
13
14
15
16
17
18
Insertion Loss (dB)
-0.2
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
18
19
20
21
22
Frequency (GHz)
Frequency (GHz)
ELITE MODEL ONLY
RF NOTES
© 2013 TELEDYNE RELAYS
(800) 284-7007 • www.teledynecoax.com
CCRT-33S/CRT-33S Page 3
CCRT-33S\CRT-33S\082013\Q3
Series CCRT-33S/CRT-33S
Internal 50Ω Termination DC–18 GHz/DC-22 GHz
Latching SPDT Coaxial Switch
TYPICAL NARROWBAND RF ISOLATION PERFORMANCE CURVES
COAX SWITCHES
Isolation ( DC-6 GHz )
0
-20
-40
0
-20
-40
Isolation ( 6-12 GHz )
Isolation (dB)
-60
-80
-100
-120
-140
0
1
2
3
4
5
6
Isolation (dB)
-60
-80
-100
-120
-140
6
7
8
9
10
11
12
Frequency (GHz)
Frequency (GHz)
Isolation ( 12-18 GHz )
0
-20
-40
0
-20
-40
Isolation ( 18-22 GHz )
Isolation (dB)
-60
-80
-100
-120
-140
12
13
14
15
16
17
18
Isolation (dB)
-60
-80
-100
-120
-140
18
18.5
19
19.5
20
20.5
21
21.5
22
Frequency (GHz)
Frequency (GHz)
ELITE MODEL ONLY
RF NOTES
CCRT-33S/CRT-33S Page 4
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
© 2013 TELEDYNE COAX SWITCHES
CCRT-33S\CRT-33S\082013\Q3
COAX SWITCHES
TYPICAL NARROWBAND RF VSWR PERFORMANCE CURVES
Series CCRT-33S/CRT-33S
Internal 50Ω Termination DC–18 GHz/DC-22 GHz
Latching SPDT Coaxial Switch
VSWR ( DC-6 GHz )
2.0
1.9
1.8
1.7
2.0
1.9
1.8
1.7
VSWR ( 6-12 GHz )
VSWR
1.5
1.4
1.3
1.2
1.1
1.0
0
1
2
3
4
5
6
VSWR
1.6
1.6
1.5
1.4
1.3
1.2
1.1
1.0
6
7
8
9
10
11
12
Frequency (GHz)
Frequency (GHz)
VSWR ( 12-18 GHz )
2.0
1.9
1.8
1.7
2.0
1.9
1.8
1.7
VSWR ( 18-22 GHz )
VSWR
1.5
1.4
1.3
1.2
1.1
1.0
12
13
14
15
16
17
18
VSWR
1.6
1.6
1.5
1.4
1.3
1.2
1.1
1.0
18
18.5
19
19.5
20
20.5
21
21.5
22
Frequency (GHz)
Frequency (GHz)
ELITE MODEL ONLY
RF NOTES
© 2013 TELEDYNE RELAYS
(800) 284-7007 • www.teledynecoax.com
CCRT-33S/CRT-33S Page 5
CCRT-33S\CRT-33S\082013\Q3
Motor Drive Control（Motor Control）
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