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NE2
coaxial lines at 686MHz-702MHz.
terminate directional coupler.
different types of coaxial
OBSOLESCENT.
Used in AMl4/544 to
Suffix letter denotes
connectors. DD 1972.
NE2/502A-F
Line Termination Networks, suitable for terminating 50n
coaxial lines at 766MHz-782MHz. Used in AMl4/546 to
terminate directional coupler. Suffix letters denote
different types of coaxial connectors. DD 1972.
OBSOLESCENT.
NE2/503A-F
Line Termination Network, suitable for terminating son
coaxial lines at 834MHz-849MHz. Used in AM14/548 to
terminate directional coupler. Suffix letters denote
differenc types of coaxial connectors. DD 1972.
OBSOLESCENT.
===============-==--=-====-=-=====-==-======---=-=============-===========
NE2 Sub Group not available for new designs DD 1977.
NE3 WEIGHTING NETWORKS
NE3/1
Used on PA6/l2. Similar to ASN/4
contacts. DD 1960. DD Spec 2.156.
but operated by relay
TI.L.5. OBSOLESCENT.
NE3/504
Network, Weighting, Luminance Noise, 405/625 lines. Used
to provide standard weighting when observing random noise
on an oscilloscope. 127mm x 76mm x 51mm. DD 1966.
DD Spec 9.49. OBSOLESCENT.
=============-========-=--======-====-====-==========================--===
NE3 Sub Group not available for new designs DD 1977.
NE4 DELAY NETWORKS
NE4/2
NE4/50l
DD 1972. CANCELLED.
Network Delay, Quartz used for vertical aperture
correction. Comprises CH1/l2B with Mu1lard fused quartz
delay line and AM2/501A, AM2/50lB. Associated with
MD2/503 and DM2/502. Indexing pins 15, 22. DD 1965.
DD Spec 7.66. DDHB 7.110. ACO. OBSOLESCENT.
NE4/502
Binary Delay Network used in EP1/504 in conjunction with
UN1/56l to provide a variable wideband video delay in
finite steps for delay trimming. CH1/12D, pegs 26, 27.
DD 1965. DD Spec 7.82. DDHB 7.113. ACO. OBSOLESCENT.
NE4/503
Delay Network used in EP1/504 to produce a delay of 0.2~s
to ensure that the front porch blanking on the output

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