Television Aerial Accessories - Fringe Electronics Ltd

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ENCLOSURE DETAILS All masthead amplifiers and diplexers are housed in a weather proof enclosure with a hinged snap-on cover. Membrane grommets are used to ensure a sealed cable entry, the coaxial cables are clamped by a brass, one piece, spring loaded cable clamp. A releasable plastic strap fits any diameter mast. Holes are provided for surface mounting. OUTDOOR ENCLOSURES Colour: Green OUTDOOR 4 ENCLOSURE 154 58 103 Colour: Green INDOOR ENCLOSURES T6 ENCLOSURES 88 18 60 88 68 Colour: White Colour: White 7 WAY & 8 WAY ENCLOSURES 207 96 2 Colour: Black 194 51 All dimensions in millimetres.
Three models are available in the V.H.F range, all feature low noise figures. The V.H.F. 1220-F.M. is suitable for the improvement of V.H.F./F.M. radio reception in Europe and the U.K. The other V.H.F. models are manufactured for export markets, but are ideal for long distance T.V. reception in the U.K. STANDARD V.H.F. RANGE MASTHEAD AMPLIFIERS S P E C I F I C A T I O N S Model Group Frequency Gain Flatness Noise Figure Order Code VHF1220-FM Band 2 88-108MHz 20db. + –1db. 1.8db. VHF1220-FM VHF1220-3 Band 3 175-230MHz 20db. + –1db. 1.8db. VHF1220-3 Output on all models: Din 45004 – 100dbuv Power requirements: 12v. d.c. @ 10m.a. (use P1235) C.E. compliance: Approved 3
Page 1 and 2: I S S U E 5 A P P L I C A T I O N G
Page 3: INDEX Enclosure Details 2 MASTHEAD
Page 7 and 8: Five models are available in this r
Page 9 and 10: The WB22/V has been designed with s
Page 11 and 12: The standard P1235 and P1290 power
Page 13 and 14: The Cascade U.H.F. repeater amplifi
Page 15 and 16: This unit is designed to operate tw
Page 17 and 18: SUPER TWO SET AMPLIFIER SET BACK RA
Page 19 and 20: This unit is designed to operate fo
Page 21 and 22: MINI 4- 2UK DISTRIBUTION AMPLIFIER
Page 23 and 24: The Fringe Outdoor 4 is a four outl
Page 25 and 26: 7 WAY DISTRIBUTION AMPLIFIER The 7
Page 27 and 28: HIGH OUTPUT AMPLIFIER The High Outp
Page 29 and 30: Available to order - Fully screened
Page 31 and 32: The 3 Way External Inductive Splitt
Page 33 and 34: Available to order - Fully screened
Page 35 and 36: U.H.F. channel group bandpass filte
Page 37 and 38: Rejects unwanted signals in the 120
Page 39 and 40: Designed to reject High Frequency a
Page 41 and 42: U.H.F. CHANNEL ALLOCATION ❚ BBC1
Page 43 and 44: U.H.F. CHANNEL ALLOCATION ❚ BBC1
Page 45 and 46: DB TO VOLTAGE CONVERSION db. mv. uv

Television Aerial Accessories - Fringe Electronics Ltd

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