The Cisco® GainMaker® Broadband Amplifier platform includes a variety of RF amplifiers that address the divergent needs of today’s broadband networks. The Cisco GainMaker line extender provides customers with the ability to fine-tune and extend the network more cost effectively than by doing so with system amplifiers alone. The industry-leading gain and distortion performance of Cisco line extenders helps ensure world-class, end-of-line performance.
All Cisco GainMaker amplifiers provide superior two-way performance and reliability combined with a user-friendly layout. All share common plug-in accessories and perform to 1 GHz in the forward path. The line extenders in this family provide a single forward RF output port while the system amplifiers provide multiple forward RF output ports.
Cisco GainMaker line extender modules have increased gain and are mechanically compatible with previous Cisco GainMaker Line Extender II and III housing bases, often allowing upgrades to higher bandwidth with no respacing or resplicing. The DC power supply is modular and located in an updated housing lid for easy access. All Cisco GainMaker line extender modules are factory configured with reverse amplifier, diplex filters, forward interstage pads, and interstage equalizer to promote optimal performance. For output level control over temperature, optional configurations include either single-pilot Automatic Gain Control (AGC) or a thermal compensation circuit.
The Cisco GainMaker line extender has a single forward RF output port and is ideally suited for providing high (distribution) level RF in the feeder network
Features
● Common RF test points for forward output and reverse injection that simplify reverse balancing
● Increased forward gain
● High-performance GaAsFET gain stage technology
● Fixed-value plug-in accessories
● 60 and 90 volt AC powering capability
● Optional Power Pack kit allows quick field upgrade to 110 VAC powering for indoor use
● 15 A current capacity (steady state) and 25 A surge survivability
● Optional 3-state reverse switch (on/off/-6 dB) allows each reverse input to be isolated for noise and ingress troubleshooting (status monitoring required)
● AGC has thermal backup, which eliminates disruptive RF output variation in the event of pilot loss
● Improved hum modulation
● Plug-in, self-contained diplex filters
● Modular high-efficiency power supply allows simplified maintenance
● Reverse input pad and RF test point for each reverse input port allow for optimum reverse path design and alignment
● Directional coupler RF test points provide best accuracy
● Surge resistant circuitry facilitates gain-stage protection without fuses or other nuisance failure causing devices
Product Specifications
Table 1. General Station Performance
General Station Performance |
Units |
Forward |
Reverse |
Notes |
Pass Band |
MHz |
105-1002 |
5-85 |
12 |
Amplifier Type |
- |
GaAs FET |
PP |
|
Frequency Response |
dB |
± 0.4 |
|
|
Auto Slope and Gain Range |
dB |
± 5.5 |
N/A |
|
Return Loss |
dB |
16 |
16 |
7 |
Max AC Through Current (continuous) |
Amps |
15 |
- |
|
Max AC Through Current (surge) |
Amps |
25 |
- |
|
Hum Modulation @ 12 A (over specified frequency range) |
dB |
70 (105-870 MHz) 60 (870-1002 MHz) |
60 (5-10 MHz) 70 (11-85 MHz) |
|
Hum Modulation @ 15 A (over specified frequency range) |
dB |
65 (105-870 MHz) 60 (870-1002 MHz) |
60 (5-10 MHz) 65 (11-85 MHz) |
|
Test Points (± 0.5 dB) |
dB |
-20 |
-20 |
|
Reference Output Level @… 1002 MHz 870 MHz 750 MHz 650 MHz 550 MHz 105 MHz |
dBmV |
49.5 47.5 45.7 44.0 42.5 35.8 |
35 (@ 85 MHz)
35 (@ 5 MHz) |
|
Reference Output Tilt (105-1002 MHz) |
dB |
13.7 |
0 |
1 |
Table 2. Forward Station Performance
Forward Station Performance |
Units |
Manual |
Thermal |
AGC |
Notes |
||||
Operational Gain (minimum) |
dB |
39.5 |
34 |
33 |
2, 12 |
||||
Internal Tilt (± 0.5 dB) |
dB |
8.4 |
8.4 |
8.4 |
3 |
||||
Noise Figure @ 86 MHz |
dB |
6.0 |
7.5 |
7.5 |
2 |
||||
Noise Figure @ 1 GHz |
dB |
7.0 |
7.0 |
7.0 |
2 |
||||
64 PAL B/G channels (CW) with digital |
|
|
|
|
4 |
||||
Composite Triple Beat |
dB |
82 |
80 |
80 |
|
||||
Cross Modulation |
dB |
74 |
74 |
73 |
5 |
||||
Composite Second Order (high side) |
dB |
75 |
75 |
75 |
|
||||
64 PAL I channels (CW) with digital |
|
|
|
|
10 |
||||
Composite Beat |
dB |
75 |
73 |
73 |
8 |
||||
Cross Modulation |
dB |
76 |
73 |
72 |
5 |
||||
42 CENELEC channels (CW) |
|
|
|
|
9 |
||||
Composite Triple Beat |
dB |
114 |
113 |
113.5 |
|
||||
Cross Modulation |
dB |
112 |
110.5 |
111.5 |
5 |
||||
Composite Second Order (high side) |
dB |
115 |
115 |
116 |
|
||||
Forward Station Performance |
Units |
Manual |
Thermal |
AGC |
Notes |
73 NTSC channels (CW) with digital |
|
|
|
|
11 |
Composite Triple Beat |
dB |
81 |
79 |
79 |
|
Cross Modulation |
dB |
76 |
73 |
72 |
5 |
Composite Second Order (high side) |
dB |
76 |
75 |
75 |
|
Product Specifications
Table 3. Reverse Station Performance
Reverse Station Performance |
Units |
|
Notes |
Operational Gain (minimum) |
dB |
19.5 |
6, 7 |
Internal Tilt (± 0.5 dB) |
dB |
0 |
3 |
Noise Figure |
dB |
12.5 |
6, 7 |
CENELEC Distortions |
|||
Discrete Third Order |
dB |
92 |
9 |
Discrete Second Order |
dB |
80 |
5, 9 |
6 NTSC Channels (CW) |
|||
Composite Triple Beat |
dB |
92 |
9 |
Cross Modulation |
dB |
80 |
5, 9 |
Composite Second Order (high side) |
dB |
82 |
9 |
Table 4. RF Delay Specifications
Station Delay Characteristics |
|||
Forward (Chrominance to Luminance Delay) |
Reverse (Group Delay in 1.5 MHz BW) |
||
Frequency (MHz) |
Delay (nS) |
Frequency (MHz) |
Delay (nS) |
109.25-112.83 |
13 |
5.0-6.5 |
60 |
115.25-118.83 |
7 |
6.5-8.0 |
22 |
121.25-124.83 |
5 |
8.0-9.5 |
12 |
|
|
80.5-82.0 |
10 |
|
|
82.0-83.5 |
13 |
|
|
83.5-85.0 |
16 |
Product Specifications
Table 5. Station Powering Data
Station Powering Data |
|||||||||||||||
Cisco GainMaker Line Extender |
I DC |
Amps |
|
AC Voltage |
|||||||||||
|
@ 12 V |
@ 24 V |
|
90 |
85 |
80 |
75 |
70 |
65 |
60 |
55 |
50 |
45 |
40 |
35 |
Thermal |
1.74 |
0 |
AC Current (A) |
0.45 |
0.47 |
0.49 |
0.51 |
0.52 |
0.53 |
0.62 |
0.64 |
0.67 |
0.70 |
0.76 |
0.86 |
|
Power (W) |
27.0 |
27.0 |
26.9 |
26.9 |
26.9 |
26.9 |
26.9 |
26.9 |
27.0 |
27.1 |
27.2 |
27.4 |
||
AGC |
1.74 |
0.1 |
AC Current (A) |
0.48 |
0.51 |
0.52 |
0.54 |
0.55 |
0.57 |
0.66 |
0.68 |
0.71 |
0.75 |
0.82 |
0.92 |
|
Power (W) |
29.2 |
29.1 |
29.1 |
29.1 |
29.1 |
29.1 |
29.1 |
29.1 |
29.2 |
29.3 |
29.4 |
29.6 |
||
AGC (with Status Monitoring and Reverse Switch) |
1.9 |
|
AC Current (A) |
0.51 |
0.54 |
0.78 |
0.57 |
0.59 |
0.60 |
0.71 |
0.73 |
0.76 |
0.80 |
0.88 |
0.98 |
0.1 |
Power (W) |
31.5 |
31.5 |
50.9 |
31.4 |
50.8 |
31.4 |
31.6 |
31.6 |
31.6 |
31.7 |
31.9 |
32.1 |
Product Specifications
Table 6. Environmental Specifications
Environmental |
Units |
Value |
Operating Temperature Range |
°F/°C |
-40 to +140°F (-40 to +60°C) |
Relative Humidity Range |
% |
5 to 95% |
Mechanical |
||
Housing Dimensions (L x H x D) |
in./mm |
11.7 in. L x 9.8 in. H x 6.7 in. D (297.2 mm L x 248.9 mm H x 170.2 mm D) |
Weight
●
Housing with power supply
|
lb/kg |
3 lbs, 12 oz. (1.7 kg) 9 lbs, 4 oz. (4.2 kg) |
Ordering Information
The Cisco GainMaker Line Extender is available in a wide variety of configurations. The desired configuration is “built” by accessing the Cisco Commerce Workspace tool at https://cisco-apps.cisco.com/cisco/psn/commerce. The user specifies the new Assemble To Order (ATO) Product ID for the Cisco GainMaker Line Extender “GM-LE” and the tool steps through the available options, from which to choose. Services may also be selected during this process. Once all the desired options are selected, the configuration and price are displayed. When the “Done” radio button is clicked, the configuration can be exported and saved for future use or immediate ordering.
This page contains ordering information for required and optional accessories. Please consult with your Account Representative, Customer Service Representative, or System Engineer to determine the best configuration for your particular application.
Table 7. Required Accessories - Must be Ordered Separately
Required Accessories |
Part Number |
Plug-in Pads (attenuators) - Available in 0.5 dB steps from 0 to 20.5 dB
●
1 required for forward input
●
1 required for AGC, if applicable*
●
2 required for reverse (1 input, 1 output)
* To determine AGC pad value, subtract 29 dB from the design value main port RF output level at the AGC pilot frequency (applies to line extender only). |
589693 (0 dB) sequentially through 589734 (20.5 dB) |
Plug-in Forward Equalizer - Available in 1.5 dB steps from 0 to 30 dB at 1002 MHz
●
1 required for forward input
|
4007228 (0 dB) sequentially thru 4007248 (30 dB) |
Plug-in Reverse Equalizer - Available in 1 dB steps from 0 to 12 dB at 65 MHz
●
1 required for reverse output - unless design value is 0 dB (0 dB EQ is provided)
|
712719 (0 dB) and 4036769 (1 dB) sequentially through 4036780 (12 dB) |
Table 8. Optional Accessories (May be Ordered Separately)
Optional Accessories |
Part Number |
230 VAC Crowbar Surge Protector (plug-in, one per station) |
4007682 |
Plug-in Inverse Equalizer. Simulates cable equivalent tilts (creates tilt opposite that of equalizers). Use in place of forward input EQ as needed to maintain proper output tilt in short spaced locations. Available in 1.6 dB cable equivalent steps from 1.6 to 16.2 dB. |
4007486 (1.6 dB) sequentially through 4007495 (16.2 dB) |
Long Reach Test Point Adapter |
562580 |
Status Monitoring Transponder |
Refer to the Cisco GainMaker Status Monitoring Transponder Data Sheet. http://www.cisco.com/c/en/us/products/video/transponders/index.html |
Table 9. Housing Options - The Following Housing Options May be Included with the Product If Ordered Using the Cisco Commerce Workspace tool. They May Also Be Ordered Separately.
Cisco GainMaker System Amplifier Housing - One required. Housing includes housing base, lid, wiring harness, and 12/24 V power supply, part number 593020. All housings have 15 A capacity. |
Part Number |
Uncoated housing without external test point access |
593095 |
Chromate Plated housing without external test point access |
593093 |
Uncoated housing with external test point access |
593094 |
Chromate Plated housing without external test point access |
593092 |
Cisco GainMaker Line Extender Housing Upgrade Kit - 1 required if upgrading an existing LE I, LE II or LE III housing to allow use of Cisco GainMaker Line Extender modules. Includes a Cisco GainMaker Line Extender housing lid, wiring harness, and 12/24 V power supply # 593020. |
|
Uncoated housing lid without external test point access |
593087 |
Painted housing lid without external test point access |
593085 |
Uncoated housing lid with external test point access |
593086 |
Painted housing lid with external test point access |
593084 |
Power Pack Kit (for indoor 110 V AC powering) - Includes LE wall mount bracket, power supply with indicator light, power supply bracket, housing base, lid, wiring harness, power cord strain relief. |
748997 |
Seizure Upgrade Kit - 1 required if upgrading an existing SA II or SA II+ housing base to allow use of Cisco GainMaker System Amplifier modules. Includes high current (15 A) rated seizure screws and anvils. |
548774 |
Cisco Systems, Inc. 1 800 722-2009 or 678 277-1120 |