TECHNICAL DATA
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GENERAL TECHNICAL INFORMATION
Electrical principles and Valves A good background document. Worth reading for beginners and everyone. (1.1 MB pdf)Soldering Standards. An industry standard guide on preferred and acceptable standards. (3.1 MB pdf)
Integrated Circuit Removal Techniques A guide from Hewlett Packard (0.5 MB pdf)
Simple Power Supply Design - RS data from 1969 (1.7 MB pdf)
Battery Equivalents. Every Ready, Drydex, GEC, Siemens, Vidor etc Equivalents (0.5 MB pdf)
Oscilloscopes Patchett 230 page Book of 1976 (5.7 MB pdf)
CONNECTORS
 | CONNECTORS - Plessey General Notes and description. |
| CONNECTORS - Pattern_104 Part Number Cross-References |
| ETS Chapter 15 - Services Connectors, Multi-pole Mk4; No 102, No 103; Coax Pattern 2, 4, 8, 12 40; Pattern 109. (1.2 Mb pdf) |
| Breeze Connectors Some notes on construction and range |
ELECTRONIC VACUUM VALVES VACUUM TUBES
| 5V Valve Rectifier Comparison Brief data on 25 valves such as U50 U52 GZ32 GZ34 - mostly International Octal based. |
| 4V Valve Rectifier Comparison Brief tabulated data on 40 valves such as MU14 UU3 UU5 - Mostly 4 pin (B4) based. |
| ECC81 Data, ECC82 Data, ECC83 Data. 33 Mullard Data Sheets. (1.2 Mb pdf) |
| PT15 Data sheets (670 kB pdf) |
| Valve sizes. Drawings and descriptions of the various shapes and sizes. Sylvania. (270 kB pdf) |
| Valve Curves. Some applications and how to interpret. Sylvania. (160 kB pdf) |
| Electrical principles and Valves A good background document by Sylvania. Worth reading for beginners and everyone. (1.1 MB pdf) |
| CV Register Chapter 1 - Specifications against Commercial, prototypes and earlier designations. (4 MB pdf) |
| CV Register Chapter 2 - Commercial, prototypes and earlier designations against CV Specifications. (4 MB pdf) |
| Taylor 45 Valve Tester Data (5 MB pdf) |
| Taylor Valve Testers - Full (8 MB pdf) |
| 6AS7G Amplifier Design. Copy of 1948 article. (5 MB pdf) |
SEMICONDUCTORS & CIRCUIT ELEMENTS
| Selenium Rectifier Data STC SM and RM series (500 kB pdf) |
| Selenium Rectifier Data STC 400 and 800 series (1.6 MB pdf) |
| Transistor Equivalents. ACxxx to ZTXxxx (2.5 MB pdf) 2Gxxx to 4xxx (2.8 MB pdf) |
| Ferranti Photocells (68 kB pdf) |
| Ferranti ZN414 Radio Circuit. Data and practical applications. |
| Ferranti KS30 series voltage reference diodes |
| Analog Devices, Operational Amplifiers. 144A/K, 146J/K, 147A/B/C, 153J/K. 180A/B/J/K, 183J/K/L, 184J/K/L. Data Sheets (3 MB pdf) |
| Mullard Circuit Blocks, Mullard Combi Elements. Data Sheets (1.5 MB pdf) |
| Analog Devices, Operational Amplifiers. 40, 41, 43, 44 and more Data (0.7 MB pdf) |
| Mullard Circuit Blocks, Mullard Combi Elements. General Data (1.0 MB pdf) |
| Mullard Circuit Blocks, Mullard Norbit Elements. Data (1.0 MB pdf) |
| Mullard LFK4 Transistor sets Data Sheets (1.0 MB pdf) |
| RS 7216 Counter and Circuit details (0.5 MB pdf) |
| AC188 Data sheets AC188/01 transistor data sheets Data |
PASSIVE COMPONENTS
| Electrolytic Capacitors, Leakage and Reforming. Capacitor reforming a practical approach. |
| Colour Codes for Resistors and Capacitors. For most common markings |
| Colour Codes for Moulded Mica Capacitors For the JAN and RMA markings |
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| INDUCTORS |
| Vinkor Information |
| Mullard Vinkor Data from 1959 41 pages (1.2 MB pdf) |
| Mullard Vinkor Summary from 1970 1 page (42 kB pdf) If anyone wants particular data, I may have it! Please ask. |
| Mullard Pot Core Vinkor Equivalents. Names and packaging changed in about 1968. (320 kB pdf) |
| Mullard Vinkor Assembly, Alignment and Adjustment Notes. Detailed manufacturer's instructions. (90 kB pdf) |
| Mullard Vinkor LA2100 and LA2400 General Data (800 kB pdf) |
| Mullard Vinkor LA21nn Series Data Sheets. LA2103 LA2104 LA2105 (210 kB pdf) |
| Mullard Vinkor LA22nn Series Data Sheets. LA2203 LA2204 LA2205 (220 kB pdf) |
| Mullard Vinkor LA23nn Series Data Sheets. LA2303 LA2304 LA2305 LA2309 LA2310 LA2311 (470 kB pdf) |
| Mullard Vinkor LA24nn Series Data Sheets. LA2403 LA2404 LA2405 LA2409 LA2410 LA2411 (440 kB pdf) |
| Mullard Vinkor LA25nn Series Data Sheets. LA2504 LA2505 LA2509 LA2510 LA2511 (370 kB pdf) |
| Mullard LA4245 Data Sheets (128 kB pdf) |
| Mullard RM7, RM8 and RM10 series 1974 data FX3434 FX3439 FX3435 FX3440 FX3436 AND FX3441 (650 kB pdf) |
| Mullard Ferrite Beads and Tubes FX1115 FX1242 FX1516 FX1898 FX2049 FX2754 FX2249 FX2634 FX2837 FX2431 FX2633 FX3316 FX3391 (470 kB pdf) |
| Mullard Ferroxcube Toroids FX1969 FX2023 FX22270 FX1886 FX2072 FX13223 FX1593-98 FX3007-15 FX1230 FX1582-84 FX1299 FX3016-22 (460 kB pdf) |
| Mullard Linear Ferrite Materials - Ferroxcube Grades A and B (870 kB pdf) |
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| Osmor Coil Colour Codes Summary sheet of various types |
| Osmor, Repanco, Wearite and other Coils and Inductors An updated summary. (370 kB pdf) |
| Osmor Coils Circuits |
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- THERMISTORS
| Mullard Thermistors - Summary of types (400 kB pdf) |
| Mullard Thermistors - Brief Data VA1046 VA1047 VA1055 VA1056VA1064 VA1065 VA1066 VA1067 |
| VA1033 VA1034 VA1037 VA1038 VA1039 VA1040 VA1053 VA1057 (370 kB pdf) |
| Mullard Thermistors NTC Resistors Varite VA1005 VA1009 VA1010 VA1011 VA1015 VA1026 VA1027 VA1033 VA1034 |
| VA1037 VA1038 VA1039 VA1040 (1.3 MB pdf) |
| Mullard Thermistors NTC Resistors Varite VA1053 VA1055S VA1056S VA1057 VA1066S VA1067S VA1070 VA1074 VA1077 |
| VA1091 VA1096 VA1097 VA1098 VA1100 VA 3000 Series VA8600 Series (1.3 MB pdf) |
| STC/Brimar General Data 8 pages covering the full range with summary data (2.4 MB pdf) |
| Brimar Thermistors NTC Resistors Brimistors 1960s general Information and recommended types for radios, lamps etc (240 kB pdf) |
| Brimar Brimistors CZ type Data CZ1 CZ2 CZ3 CZ4 CZ6 CZ8 CZ9 CZ10 CZ11 CZ12 +Silistor 502K (660 kB pdf) |
| Thermistors STC/Brimar B13 B14 B15 B16 B23 B24 B25 B53 B54 B55 R13 T14 R15 R16 R23 R24 R25 R53 R54 R55 (650 kB pdf) |
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| TRANSFORMERS AND CHOKES |
| Transformers and Chokes. Gardners Audio and Power Details. Including Williamson, Ultra-linear, etc. 26pp (1.7 MB pdf) |
| Gardners transformer and Choke Sizes. Can help to identify types and ratings in conjunction with above data. (980 kB pdf) |
| Transformer Sizes and Power Ratings - an STC Guide. Useful to judge the rating of a jumble transformer. (400 kB pdf) |
EQUIPMENT, RADIOS and TV
| Mullard TV Tuner Modules. UHF and VHF ; AT6360, AT6361, AT6380, AT7650, AT7652, Details and Circuits (650 kB pdf) |
| Mullard Modules. LP1155 LP1157 LP1158 LP1159 LP1164 LP1165 LP1166 LP1169 LP1171 LP1173 LP1174 (800 kB pdf) |
| Mullard Modules. LP1180 LP1181 LP1183 LP1184 LP1185 LP1186 LP1194 LP1400 LP1402 (700 kB pdf) |
| Mullard 3W amplifier. HERE and Amp-Mixer HERE |
| Mullard Tape amplifier, HERE and HERE |
| Marconi TF340 series Output Power Meter User and Service Manual (0.3 MB pdf) |
| Marconi TF1041B User and Service Manual (2.1 MB pdf) |
| Marconi TF2603 User and Service Manual (2.2 MB pdf) |
| Ekco Consolette M23 |
| Ever Ready ER5033 |
| Hunting Hivolt Tester Circuit and notes |
| Music Magnet 4 Constructor Notes. Improved version and addition of mains unit. 3 pages (800 kB pdf) |
| Tektel Transceiver |
| Time Electronics 2003 Series |
| Advance B4 Series Signal Generators. Manual and Circuit. (2.1 MB pdf) |
| Advance VM78 Millivoltmeter Instruction, Calibration and Circuit. (0.3 MB pdf) |
| Airmec 210 Signal Generator Manual and Circuit. (5 MB pdf) |
| Analogic 2535 DVM User manual (600 kB pdf) |
| B and K Short-Form Catalogue Pages (2 MB pdf) |
| Bruel and Kjaer Sound Level Meter 2203 and Filter set (2.8 MB pdf) |
| Levell TM3A TM3B Microvoltmeters TM6A TM6B Broadband Voltmeters. Operation and Maintenance (1.1 MB pdf) |
| Levell TM12 Transistor Tester - User Manual and Circuit (5 MB pdf) |
| APT PSU Type 504 0-500V in 4 ranges - not stabilised. (1.3 MB pdf) |
| APT PSU Type 3705 +250V preset 6.3V 4A (0.3 MB pdf) |
| APT PSU Type 4931 (0.9 MB pdf) |
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| CT54 Meter Specifications. |
| Cathode Ray Oscilloscopes - their design and operation - 230 page 1976 Book. (5 MB pdf) See Contents at Contents only Page |
| Marconi TF1041B 25pp description and maintenance text. (2.5 MB pdf) |
| Marconi TF1041B circuit diagram and picture (0.8 MB pdf) |
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| Solartron VM1484 Ac Voltmeter |
| Solartron LM1420 DVM Sales Leaflet and Specifications (3.7 MB pdf) |
| Solartron CD1014.2 Oscilloscope Circuit (1.5 MB pdf) |
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| Racal RA17 Cover Pictures |
| Racal Instrumentation from early 1960s (5 MB pdf) |
| Racal 1977-78 Catalogue (3.7 MB pdf) |
MECHANICAL and TRANSDUCERS
| Intersonde XP22 Pressure Transducers Data Sheet (250 kB pdf) |
CATALOGUES and PRICE LISTS
| RS (Radio Spares) Mains Transformers 1967 (1.6 MB pdf) |
| RS (Radio Spares) Audio and IF Transformers 1967 (1.6 MB pdf) |
| Solartron Price List 1961 (300 kB pdf) |
| Solartron Price List 1962 (1 MB pdf) |
| Solartron Price List 1965 (400 kB pdf) |