The BGS1018/20/22/25N is a Hybrid Push Pull gain block. It is optimized for exceptionally low distortion and low noise figure in a 75 Ω push pull amplifier circuit. It provides excellent input and output return loss over the 45 to 1000 MHz CATV HFC infrastructure.
The device is ideally suited for use in CATV applications where low distortion and low noise figure are required.
The device package is complied with standard SOT-115J.
Features
l 18/20/22/25 dB Gain
l 24 V DC Bias
l 43 dBmV/CH Output Power Level @ 1000 MHz
l Excellent Linearity
l Superior Return Loss Performance
l Extremely Low Distortion
l Optimal Reliability
l Extremely Low Noise
l Unconditionally Stable Under All Terminations
l 280 mA Max. at 24 VDC
Applications
l 45 to 1000 MHz CATV Amplifier Systems
Electrical Specifications: T = +25 °C, V = 24 V, Zin = Zout = 75 Ω
Parameter | Units | Min. | Typ. | Max. | Test Conditions |
Gain | dB | - | 18 | - | 45 - 1000 MHz |
20 | |||||
22 | |||||
25 | |||||
Slope | dB | - | 1.4 | - | 45 - 1000 MHz |
Flatness | dB | - | - | ±0.25 | 45 - 1000 MHz |
Noise Figure | dB | - | 4.5 | - | 45 - 1000 MHz |
Reverse Isolation | dB | - | 36 | - | - |
Input Return Loss | dB | 17 | 19 | - | 45 - 1000 MHz |
Output Return Loss | dB | 18 | 20 | - | 45 - 1000 MHz |
Total Current Consumption (DC) | mA | - | 265 | 280 | + 24 V |
CTB* | dB | - | 71 | - | 43 dBmV @ 1000 MHz |
CSO* | dB | - | 70 | - | 43 dBmV @ 1000 MHz |
XMOD* | dB | - | 64 | - | 43 dBmV @ 1000 MHz |
* 79 NTSC (analog) channels + 75 ATSC (digital) channels (- 6 dB offset), flat.
Ordering information
Description | Part Number |
BGS1018N GaAs Push Pull Gain Block 1GHz 18dB | 9940000012 |
BGS1020N GaAs Push Pull Gain Block 1GHz 20dB | 9940000013 |
BGS1022N GaAs Push Pull Gain Block 1GHz 22dB | 9940000014 |
BGS1025N GaAs Push Pull Gain Block 1GHz 25dB | 9940000015 |
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