The DBTC-18-4-75LX+ is a surface mount directional coupler designed for 75Ω cable TV applications with a 5 to 1000 MHz bandwidth. It features a nominal coupling of 18.2 dB ±0.5 dB, mainline loss of up to 1.6 dB, directivity of 14 to 21 dB, and VSWR of 1.3:1. The device operates from -40°C to +85°C and is housed in an AT1642 case measuring 4.22 × 3.81 × 3.94 mm with a 0.10 g weight. It is constructed with an LTCC base, all welded, aqueous washable, and includes leads for improved solderability.
18.2 dB SMT Directional Coupler, 5 - 1000 MHz, 75Ω
RF Directional Coupler General Purpose 5MHz ~ 1GHz 18.2 ± 0.5dB 1W 5-SMD Module
RF Directional Coupler General Purpose 5MHz ~ 1GHz 18.2 ± 0.5dB 1W 5-SMD Module
| Mini-Circuits | DigiKey | Quarktwin Technology Ltd. | |
|---|---|---|---|
| Product Category | RF Couplers | RF Couplers | RF Couplers |
| Product Number | DBTC-18-4-75LX+ | 3157-DBTC-18-4-75LX+TR-ND | DBTC-18-4-75LX+ |
| Product Name | 18.2 dB SMT Directional Coupler, 5 - 1000 MHz, 75Ω | RF Directional Coupler | RF Directional Coupler |
| RF Coupler Type | Uni-Directional | Uni-Directional | Uni-Directional |
| Package Type | Surface Mount | Surface Mount; 5-SMD Module | |
| Impedance | 75 ohms | ||
| Frequency Range | 5.00 to 1000.00 MHz | 5.00 to 1000.00 MHz | 5.00 to 1000.00 MHz |