Functional Block Diagram - Blonder Tongue Laboratories Inc.

Broadband Specification Guide
Equipment Specifications Library
SRT
The indoor, one port directional coupler shall be constructed in a die-cast housing with a soldered back plate to ensure high RFI shielding. The couplers should be of
a ‘T’ style construction and the connectors on the unit shall be type F. The RFI shielding shall be at least 120 dB to prevent signal ingress or egress. The indoor, one
port directional coupler shall be equal to Blonder Tongue SRT and shall meet or exceed the following specifications:
a) Frequency Range: 5 to 1000 MHz
b) Isolation Output to Tap: 18 dB Minimum across all tap values
c) Tap Values Required: 30, 27, 24, 20, 16, 12, 9, 6, 4 dB
d) RFI Shielding: 120 dB Minimum
SRT-2A
The indoor, two port directional coupler shall be constructed in a die-cast housing with a soldered back plate to ensure high RFI shielding. The couplers should be of
a ‘L’ style construction and the connectors on the unit shall be type F. The RFI shielding shall be at least 120 dB to prevent signal ingress or egress. The indoor, two
port directional coupler shall be equal to Blonder Tongue SRT-2A and shall meet or exceed the following specifications:
a) Frequency Range: 5 to 1000 MHz
b) Isolation:
(1) Output to Tap: 22 dB Minimum across all tap values
(2) Tap to Tap: 22 dB Minimum
c) Tap Values Required: 32, 29, 26, 23, 20, 17, 14, 11, 8, 4 dB
d) RFI Shielding: 120 dB Minimum
SRT-4A
The indoor, four port directional coupler shall be constructed in a die-cast housing with a soldered back plate to ensure high RFI shielding. The couplers should be of
a ‘L’ style construction and the connectors on the unit shall be type F. The RFI shielding shall be at least 120 dB to prevent signal ingress or egress. The indoor, one
port directional coupler shall be equal to Blonder Tongue SRT-4A and shall meet or exceed the following specifications:
a) Frequency Range: 5 to 1000 MHz
b) Isolation:
(1) Output to Tap: 24 dB Minimum across all tap values
(2) Tap to Tap: 22 dB Minimum
c) Tap Values Required: 35, 32, 29, 26, 23, 20, 17, 14, 11, 8 dB
d) RFI Shielding: 120 dB Minimum
SRT-8A
The indoor, eight port directional coupler shall be constructed in a die-cast housing with a soldered back plate to ensure high RFI shielding. The couplers
should be of a ‘L’ style construction and the connectors on the unit shall be type F. The RFI shielding shall be at least 120 dB to prevent signal ingress or egress.
The indoor, eight port directional coupler shall be equal to Blonder Tongue SRT-8A and shall meet or exceed the following specifications:
a) Frequency Range: 5 to 1000 MHz
b) Isolation:
(1) Output to Tap: 26 dB Minimum across all tap values
(2) Tap to Tap: 24 dB Minimum
c) Tap Values Required: 35, 32, 29, 26, 23, 20, 17, 14, 11 dB
d) RFI Shielding: 120 dB Minimum
SXRS-2
The indoor, two-way splitter shall be constructed in a die-cast housing with a soldered back plate to ensure high RFI shielding. The splitter should have an
in-line connector orientation, and the connectors on the unit shall be type F. The RFI shielding shall be at least 120 dB to prevent signal ingress or egress.
The indoor, two-way splitter shall be equal to Blonder Tongue SXRS-2 and shall meet or exceed the following specifications:
a) Frequency Range: 5 to 1000 MHz
b) Isolation: 22 dB Minimum
c) Return Loss: 16 dB Minimum
d) Insertion Loss: 4.2 dB Maximum
e) RFI Shielding: 120 dB Minimum
SXRS-3
The indoor, three-way splitter shall be constructed in a die-cast housing with a soldered back plate to ensure high RFI shielding. The splitter should have an
in-line connector orientation, and the connectors on the unit shall be type F. The RFI shielding shall be at least 120 dB to prevent signal ingress or egress.
The indoor, three-way splitter shall be equal to Blonder Tongue SXRS-3 and shall meet or exceed the following specifications:
a) Frequency Range: 5 to 1000 MHz
b) Isolation: 21 dB Minimum
c) Return Loss: 16 dB Minimum
d) Insertion Loss: 6.8 dB Maximum
e) RFI Shielding: 120 dB Minimum
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