analog w devices i 5v a output transformers rtm/stm 1686/1696/1736/1687/1697/1737 i rtm/stm 1686 specifications (typical @ +2soc unless otherwise noted) accuracy! (after balancing) :!:2.4 arc minutes operating frequency 400hz load capability sv a operating temperature -ssoc to +10soc storage temperature -55c to +12soc voltage isolation soov dc weight 21 ounces (s80g) notes 1 accuracy applies over the full operating temperature range of the option and for: (a) :1:10% reference frequency and amplitude variation. (b) 10% harmonic distortion on the reference. (c) any balanced load from no load to full load. specifications subject to change without notice. application of the rtm/stm1686 the rtm/stmi686 should be used in conjunction with the dtm1716 or thedtm1717 digital vector generator and the spa169s power amplifier. ordering information part numher stm1686611 stm1686612 rtm1686618 operating temp. range -55c to +10soc -55c to +losoc -55c to +losoc line-to- line output voltage and format 11.8v synchro 90.0v synchro 11.8v resolver reference frequency ~o()ii, ~ooiii ~ooii, reference voltage 26v 11sv 26v note. for options not shown above. consult the factory o" ,."" g:! o,~~'" "n g:~ co$'~- : $t"~"" g; 'owcr- ono g: "'orn~ '" 0' 01 o, n"ono'" 'r""'on eow," soorn .", "'0-1 +- " nom """osed'orr""'"""""on "'o'."".as"", bano "om""o r,o e,., figure 1. diagram showing connection of the stm1686 to a ii dtm1716 or dtm1717 and spa 1695 (see notes) rtm/stmi686 outline dimensions and pin connection diagram dimensions shown in inches and (mm). -11-0,0",0,,"', :'~r"o ::j '~;~'~:~:~":"' o'a ::~ l . , q" .", i 0; ~ """"'?no'orr"o'v'r""'o'o'" ~~~ ..~~ ~~ obsolete
1'1 nil v i nl i""" specifications (typical @ +2soc unless otherwise noted) accuracy! (after balancing) operating frequency load capability operating temperature storage temperature voltage isolation weight :t2.4 arc minutcs 400hz sva -55c to +10soc -55c to +12soc soov dc 22 ounces (620g) note: 1 see stm 1686 note 1. specifications subject to change without notice. application of the rtm/stm1696 the rtm/stm1696 should be used in conjunction with the dsc170s or dsc1706 digital-to-synchro (or resolver) con- verter and the sp a169s power amplifier. ordering information " o"""" g;; 0,",,""" "n on 0>0 ,0,; 8; "" ~ ."v 0' """,,- gno g: "'o"..~ "v 03 0' o' no'" ", '" ",w'o" ",""v," ""'on '" o,",""'h""n""nol 2. the "+isy" and "-isy" pins of the spa169s should be connected to a regulated power supply in order to drive the internal operational amplifiers. the "+isy(p)" and "-isy(p)" are used for the output stage and these supplies need not be a precision source, the range of voltage when considering all tolerances including ripple, should be be- tween 14.7 s and 20 volts. 3. the part of the 0 volt system local to the amplifier and converter should be tapped from the "gnd(sig)" pin on the transformer and should not interconnect wi th any other part of the 0 volt system by any other method (see above diagram). stm 1687 specifications (typical @ +zsoc unless otherwise noted) accuracy! (after balancing) operating frequency load capability operating temperature storage temperature voltage isolation weight :tz.4 arc minutes 60hz sva -ssoc to +10soc -ssoc to +12soc soov dc 3 ibs (1. 34kg) note: i see stm1686 note 1. specifications subject to change without notice. applica tlon of the stm1687 the stm1687 should be used in conjunction with the dtm1716 or the dtm1717 digital vector generator and the spa169s power amplifier. dimensions and connections the stm1687 consists of a kit of two d39s3 transformers and one a10163 transformer. these should be connected as shown in figure 4. the dimensions are given in figures 7 and 8. 014 new not be precision power source 08 ana .15v sin ,15v 013 cas ::: sta8illzeo ( :~: power 010 supplv 09 .15v v 07 06 otm1716 or otmi717 53 si 52 r' r2 os 04 03 02 01 note otm1717 has pins 13 and 14 omittw thick track or wire figure 4. diagram showing the connection of a stm1687 to a dtm1716 or dtm1717 and a spa 1695 ordering information the transformer should be ordered as: stm1687622 so/60hz, synchro output, 90 volt si~nal, lis volt reference. note: for options not shown above, consult the factory. stm 1697 specifications (typical @ + 2 so c unless otherwise noted) accuracy! (after balancing) operating frequency load capability operating temperature storage temperature voltage isolation weight :tz.4 arc minutes 60hz sva -ssoc to +10soc -ssoc to +lzsoc soov dc 3 ibs (1.34kg) note: i see stm1686 note 1. specifications subject to change without notice. application of the stm1697 the stm1697 should be used in conjunction with the dsc170s or the dsc1706 digital to synchro converter and the spa169s power amplifier. dimensions and connections the stm1697 consists of a kit of two d39s3 transformers and one a1003 3 transformer. these should be connected as shown in figure s. the dimensions are given in figures 7 and 8. 012 [ .isv 011 stabillzw g 0 power n 0'0 supplv 09 .isv v need not 8e iij precision power source .15v 014 gnd sin "sv 013 cas 08 07 06 sin osc1705 or dsc1706 os o' 03 02 01 note dsc1706 has pins 13 ana 14 omitted thick track or wire figure 5. diagram showing the connection of a stm1697 to a dsc1706 or dsc1705 and a spa 1695 ordering information this transformer should be ordered as: stm1697622 so/60hz, synchro output, 90 volt signal, lis volt reference. note: for options not shown above, consult the factory. ~ ~---~. ~-- alp ) spa'695 fib sin .15vipi lip '15vipi '15v ( i/p .15v cas fib ov alp ;: ).,n spa16!!? ."vi" i/p .,svipi .,sv cas( ;;: .'sv ov alp 53 si s2 r' r2 obsolete
specifications (typical @ +2soc unless otherwise noted) accuracy] (after balancing) operating frequency load capability operating temperature storage temperature voltage isolation weight note: 1 see stm1686 note 1. specifications subject to change without notice. :1:2.4 arc minutes 601lz sva -ssoc to +10soc -ssoc to +12soc soov de 3 lbs (1. 34kg) applica non of the stmi73 7 the stm1737 should be used in conjunction with the dsc160s or the dsc1606 digital-to-synchro converter and the sp a169 s power amplifier. dimensions and connections the stm173 7 consists of a kit of two d39s 3 transformers and one ai003 3 transformer. these should be connected as shown in figure 6. the dimensions are given in figures 7 and 8. ~: ) sin '" nih> nm of pnicision powfn s(>unci ,>v 0>4 r2 sp"""" )5vi" :: . : sj . ahlwh' [ .ow pow, n i.no 0 '0 511"" 0" 'w .>5v'" ens [ ::: 0" i;no dsv 0" 0 i sin 53 06 ,"c""'" on ose."" 5> os 04 sj 03 01 52 51 0' not! dsc"","as"ns""j3 ano140mitho n,o gnd -0 v a" t">ck taack oa wi a' figure 6. diagram showing the connection of a stm1737 to a dsc1606 or dsc1605and a spa 1695 ordering informa non this transformer should be ordered as: stm1737622 so/60hz, synchro output, 90 volt signal, l1s volt reference. note: for options not shown above, consult the factory. 2.312 1135.72511 1 d ~ 1.94 14181 outline dimensions dimensions shown in inches and (mm). n 2.25157.15i n l 1.38 j 1135.05~1 i i marked with a white spot fixing for 4mm screwin 2 positions n.b. pin numbers not marked on transformers figure 7. outline drawing and dimensions of the d3953 transformer ~'1.0 125.41,1 r1o 12541-j t 0.75 ~ 0.40110.21 ---l- ~ 19.144116.5941 3':' fl ying lead "a" side white spot 1.:. plan view of transformer showing pin arrangement on underside figure 8, outline drawing and dimensions of the a 10163 and a 10033 transformers balancing scott-t transformers (applies only to transformers in kit form). figure 9. diagram showing balancing circuit the scott t transformers (two d39s3 transformers) can be balanced by the following method: connect the primary windings of the transformers to give a known angle inpu t of 4so. this can be done by connecting the two coils in parallel to a 7v fins supply, thus giving an equal vol. ii, 13-36 synchro & resol ver converters sine and cosine contribution, the 3 wire output signal is then monitored on an angle position indicator (e.g. apil620 or ap11718) with no load attached. a resistor r 1 should be connected across s 1 and s 3 until the api reads 45.00. a balanced load is then connected across s i, s2 and s3 the change in angle is monitored by the api and minimized by adding resistors (r2 and r3) in series with si and s3. r2 and r3 will have equal values. increasing r2 and r3 will decrease the angle monitored by the api. suggested initial values for r 1 is 27kn and for r2 and r3 is 30n. thc transformer nlojules stm1686, 1696 and 1736 are balanced beforc leaving the factory. sin . . i t--o s 1 s3 co primary i secondary 52 obsolete
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