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Aviation History
1960
1960 - 1777.PDF
9 SEFTEMBER I960 FLIGHT Conventional F.S.K. receivers outmoded The Standard RXSC represents probably the most notable advance in F.S.K. receiver design in the last decade. The whole concept centres round greatly increased "good printing" time when compared to conventional limiterj discriminator techniques. RX SC TYPICAL ERROR RATE CURVES FOR VARYING INPUT SIGNAL AT 1 3Mc/l Intensive study of field conditions has enabled some welcome technical features to be incorporated of particular interest to the discerning operator. *itA? WORKING - — 500<p. SATO Fit I tOOcpi LOW-PASS IOki/i FILTERS KEYING SPEED= H A.G.C TI«E CONST The equipment is fully tropicalised to current governing user-specifications 1000cp* 6AND F1L 100c p> LOW-PASS FILTERS KEYING SPEED AGC TIME CONSTA 400<p < SHIFT. DOUBLE CURKEN CONVERTERS 'OUT" A range of passband filters from O.S kcls to 6 hc/s, variable frequency oscillator and Four- Frequency Diplex operation (F.6J are optionally available. 500c.pi BAND FILT1 lOOcpi LOW-PASS IQkcA FILTERS KEYING SPEED = A.CC TIME CONSTA 200c.p.i SHIFT NOISE FACTOR DOUBLE CURREN CONVERTERS Special attention has been paid to the use of "common valve" types and full self-checking circuit arrangements are incorporated to enable the operator to align and set up the receiver without external test apparatus. SPECIAL SYSTEMS GROUP to.-.': Standard Telephones and Cables Limited Registered Office: Connaught House, Aldwych, London, W.C.2 RADIO SYSTEMS DIVISION: OAKLEIGH ROAD • NEW SOUTHGATE • LONDON N.I I
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