? 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 50 termination dc?18 ghz/dc-22 ghz latching spdt coaxial switch coax switches environmental and physical characteristics operating temperature commercial model, ccrt-33s elite model, crt-33s ?40c to 65c ?55c to 85c vibration (mil-std-202 method 214, condition d, non-operating) 10 g?s rms shock (mil-std-202 method 213, condition d, non-operating) 500 g?s standard actuator life actuator life w/ additional features 5,000,000 cycles 1,000,000 cycles connector type sma humidity (moisture seal) available weight 2.65 oz. (75.13g) (max.) part numbering system connector s: sma female actuator voltage 6: 28 vdc latching 7: 15 vdc latching 8: 12 vdc latching 9: 24 vdc latching 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 actuator voltage ccrt-33 s 6 c - t ** series connectors actuator type options for other options, contact factory. part number description ccrt-33s commercial latching spdt, dc-18ghz, internal 50 termination crt-33s elite latching spdt, dc-22ghz, internal 50 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. electrical characteristics form factor spdt, break before make frequency range ccrt-33s crt-33s dc?18 ghz dc?22 ghz characteristic impedance 50 ohms terminations 50 , 2 watts cw max. operate time 10 ms (max.) release time 10 ms (max.) actuation voltage available 12 15 24 28 v actuation current, max. @ ambient 420 350 280 200 ma performance characteristics frequency dc?6 ghz 6?12 ghz 12?18 ghz 18?22 ghz insertion loss, db, max. 0.2 0.3 0.4 0.5 isolation, db, min. 80 75 70 70 vswr , max. 1.1:1 1.2:1 1.3:1 1.5:1
ccrt-33s/crt-33s page 2 specifications are subject to change without notice ? 2013 teledyne coax switches ccrt-33s\crt-33s\082013\q3 series ccrt-33s/crt-33s internal 50 termination dc?18 ghz/dc-22 ghz latching spdt coaxial switch coax switches schematics and mechanical outline 9 pin d-sub pinout for latching spdt options pin no. basic indicators ttl indicators & ttl 11 1 22 2 3 c c common common 411 522 6vswvsw 7a a 8b b 9c c 1 6 ?- s option ? 9 - pin d - sub connector ( example : ccrt -33 s 60- s ) truth table (with ttl option) logic input rf path indicator (if applicable) 12 in to 1 in to 2 ab 00 no change 10 on terminated c 0 01 terminated on 0 c 11 forbidden h = 1.75 max. std & indicator model h = 1.90 max. ttl model h = 2.05 max. 9-pin d-sub model analog indicators ttl
? 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 50 termination dc?18 ghz/dc-22 ghz latching spdt coaxial switch coax switches typical narrowband rf insertion loss performance curves rf notes -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0 0123456 insertion loss (db) frequency (ghz) insertion loss ( dc-6 ghz ) -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0 6789101112 insertion loss (db) frequency (ghz) insertion loss ( 6-12 ghz ) -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0 12 13 14 15 16 17 18 insertion loss (db) frequency (ghz) insertion loss ( 12-18 ghz ) -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0 18 19 20 21 22 insertion loss (db) frequency (ghz) insertion loss ( 18-22 ghz ) elite model only
ccrt-33s/crt-33s page 4 specifications are subject to change without notice ? 2013 teledyne coax switches ccrt-33s\crt-33s\082013\q3 series ccrt-33s/crt-33s internal 50 termination dc?18 ghz/dc-22 ghz latching spdt coaxial switch coax switches typical narrowband rf isolation performance curves rf notes -140 -120 -100 -80 -60 -40 -20 0 0123456 isolation (db) frequency (ghz) isolation ( dc-6 ghz ) -140 -120 -100 -80 -60 -40 -20 0 6 7 8 9 10 11 12 isolation (db) frequency (ghz) isolation ( 6-12 ghz ) -140 -120 -100 -80 -60 -40 -20 0 12 13 14 15 16 17 18 isolation (db) frequency (ghz) isolation ( 12-18 ghz ) -140 -120 -100 -80 -60 -40 -20 0 18 18.5 19 19.5 20 20.5 21 21.5 22 isolation (db) frequency (ghz) isolation ( 18-22 ghz ) elite model only
? 2013 teledyne relays (800) 284-7007 ? www.teledynecoax.com ccrt-33s/crt-33s page 5 ccrt-33s\crt-33s\082013\q3 series ccrt-33s/crt-33s internal 50 termination dc?18 ghz/dc-22 ghz latching spdt coaxial switch coax switches typical narrowband rf vswr performance curves rf notes 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 0123456 vswr frequency (ghz) vswr ( dc-6 ghz ) 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 6 7 8 9 10 11 12 vswr frequency (ghz) vswr ( 6-12 ghz ) 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 12 13 14 15 16 17 18 vswr frequency (ghz) vswr ( 12-18 ghz ) 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 18 18.5 19 19.5 20 20.5 21 21.5 22 vswr frequency (ghz) vswr ( 18-22 ghz ) elite model only
ccrt-33s/crt-33s page 6 specifications are subject to change without notice ? 2013 teledyne coax switches ccrt-33s\crt-33s\082013\q3 series ccrt-33s/crt-33s internal 50 termination dc?18 ghz/dc-22 ghz latching spdt coaxial switch coax switches power handling vs. frequency estimates based on the following reference conditions: ? ambient temperature of 40c or less ? sea level operation ? load vswr of 1.20:1 maximum ? no high-power (hot) switching please contact teledyne coax switches for derating factors when applications do not meet the foregoing reference conditions. 3000 power (w) frequency ghz 2000 1000 800 600 400 300 200 100 80 60 40 30 20 10 .1 .2 .3 .4 .6 .8 1 2 4 6 8 10 18 standard sma switches typical power performance curve
? 2013 teledyne relays (800) 284-7007 ? www.teledynecoax.com ccrt-33s/crt-33s page 7 ccrt-33s\crt-33s\082013\q3 series ccrt-33s/crt-33s internal 50 termination dc?18 ghz/dc-22 ghz latching spdt coaxial switch coax switches actuator an actuator is the electromechanical mechanism that transfers the rf contacts from one position to another upon dc command. arc suppression diode a diode is connected in parallel with the coil. this diode limits the ?reverse emf spike? generated when the coil de-energizes to 0.7 volts. the diode cathode is connected to the positive side of the coil and the anode is connected to the negative side. date code all switches are marked with either a unique serial number or a date code. date codes are in accordance with mil-std-1285 paragraph 5.2.5 and consist of four digits. the rst two digits de ne the year and the last two digits de ne the week of the year (yyww). thus, 1032 identi es switches that passed through nal inspection during the 32nd week of 2010. latching a latching switch remains in the selected position whether or not voltage is maintained. this can be accomplished with either a magnetic or mechanical latching mechanism. indicator indicators tell the system which position the switch is in. other names for indicators are telemetry contacts or tellback circuit. indicators are usually a set of internally mounted dc contacts linked to the actuator. they can be wired to digital input lines, status lights, or interlocks. unless otherwise speci ed, the maximum indicator contact rating is 30 vdc, 50 ma, or 1.5 watts into a resistive load. internal termination unselected ports are internally terminated to a matched load. the load is 50 resistive device. the max rf power rating is 2 watts cw. without the internal termination option, the unselected ports are open circuits. isolation isolation is the measure of the power level at the output connector of an unconnected rf channel as referenced to the power at the input connector. it is speci ed in db below the input power level. self-cutoff the self-cutoff option disables the actuator current on completion of actuation. either a series contact (linked to the actuator) or an ic driver circuit provides the current cutoff. this option results in minimum power consumption by the rf switch. cutthroat is another name used in the industry for this option. pulse latching is a term used to describe a switch without this feature. spdt switch a single-pole double-throw, bi-directional switch that can be used as having one input and two outputs or two inputs and one output. switching time switching time is the total interval beginning with the arrival of the leading edge of the command pulse at the switch dc input and ending with the completion of the switch transfer, including contact bounce. it consists of three parts: (1) inductive delay in the coil, (2) transfer time of the physical movement of the contacts, and (3) the bounce time of the rf contacts. ttl switch driver option as a special option, switch drivers can be provided for both failsafe and latching switches, which are compatible with industry-standard low-power schottky ttl circuits. performance parameters vs frequency generally speaking, the rf performance of coaxial switches is frequency dependent. with increasing frequency, vswr and insertion loss increase while isolation decreases. all data sheets specify these three parameters as ?worst case? at the highest operating frequency. if the switch is to be used over a narrow frequency band, better performance can be achieved. actuator current vs temperature the resistance of the actuator coil varies as a function of temperature. there is an inverse relationship between the operating temperature of the switch and the actuator drive current. for switches operating at 28 vdc, the approximate actuator drive current at temperature, t, can be calculated using the equation: magnetic sensitivity an electro-mechanical switch can be sensitive to ferrous materials and external magnetic elds. neighboring ferrous materials should be permitted no closer than 0.5 inches and adjacent external magnetic elds should be limited to a ux density of less than 5 gauss. glossary i a [1 + .00385 (t-20)] where: i t = actuator current at temperature, t i a = room temperature actuator current C see data sheet t = temperature of interest in c i t = carrier frequency 1 carrier frequency 2 pim 3rd order frequency pim 5th order fre- quency 870 mhz 893 mhz 847 mhz 824 mhz 3rd order intermodulation 5th order intermodulation spdt ?91 dbm ?110 dbm ?134 dbc ?153 dbc special feature switching high-power or highly sensitive signals ensure the most linear response with the best galvanically matched contact system in the industry. extremely low passive intermodulation is standard on all of our switches.
ccrt-33s/crt-33s page 8 specifications are subject to change without notice ? 2013 teledyne coax switches ccrt-33s\crt-33s\082013\q3 series ccrt-33s/crt-33s internal 50 termination dc?18 ghz/dc-22 ghz latching spdt coaxial switch coax switches latching ccrt-33s/crt-33s part number list * x = 6 (28vdc), 7 (15vdc), 8 (12vdc) and 9 (24vdc) p art n o .p art n o . 1 ccrt-33sxc 43 crt-33sx0-ms 2 ccrt-33sxc-d 44 crt-33sx0-s 3 ccrt-33sxc-dm 45 crt-33sx0-t 4 ccrt-33sxc-dms 46 crt-33sx0-tm 5 ccrt-33sxc-ds 47 crt-33sx0-tms 6 ccrt-33sxc-m 48 crt-33sx0-ts 7 ccrt-33sxc-ms 8 ccrt-33sxc-s 9 ccrt-33sxc-t 10 ccrt-33sxc-tm 11 ccrt-33sxc-tms 12 ccrt-33sxc-ts 13 ccrt-33sx0 14 ccrt-33sx0-d 15 ccrt-33sx0-dm 16 ccrt-33sx0-dms 17 ccrt-33sx0-ds 18 ccrt-33sx0-m 19 ccrt-33sx0-ms 20 ccrt-33sx0-s 21 ccrt-33sx0-t 22 ccrt-33sx0-tm 23 ccrt-33sx0-tms 24 ccrt-33sx0-ts 25 crt-33sxc 26 crt-33sxc-d 27 crt-33sxc-dm 28 crt-33sxc-dms 29 crt-33sxc-ds 30 crt-33sxc-m 31 crt-33sxc-ms 32 crt-33sxc-s 33 crt-33sxc-t 34 crt-33sxc-tm 35 crt-33sxc-tms 36 crt-33sxc-ts 37 crt-33sx0 38 crt-33sx0-d 39 crt-33sx0-dm 40 crt-33sx0-dms 41 crt-33sx0-ds 42 crt-33sx0-m
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