DS-109/319 is a two-way power divider produced by M/A-COM company. The frequency range is 10-500MHz and the maximum input power is 1W. The maximum load dissipation power is 0.05W.
The DS-109/319 is a two‑way power divider from M/A‑COM designed for broadband RF applications from 10 MHz to 500 MHz. It offers 1° phase balance, typical mid‑band isolation of 25 dB, and a VSWR of 1.3:1 to 1.6:1 across the band.
Key specifications include insertion loss of 0.6 dB (10‑200 MHz) up to 0.9 dB (10‑500 MHz), amplitude balance better than 0.2 dB, and a maximum input power of 1 W. The device is supplied in a flat‑pack (DS‑109) or TO‑8‑2 (DS‑319) package and meets MIL‑STD‑202 screening requirements.
| Frequency Range | 10‑500 MHz |
|---|---|
| Insertion Loss (10‑200 MHz) | 0.6 dB Max |
| Insertion Loss (10‑500 MHz) | 0.6‑0.9 dB Max |
| Isolation | 25 dB Min |
| Amplitude Balance (10‑200 MHz) | 0.15 dB Max |
| Amplitude Balance (10‑500 MHz) | 0.15‑0.2 dB Max |
| Phase Balance | 1° Max |
| VSWR (10‑200 MHz) | 1.3:1 Max |
| VSWR (10‑500 MHz) | 1.3‑1.6:1 Max |
| Impedance | 50 Ω Nominal |
| Weight | 0.09 oz (2.5 g) |
| Package (DS‑109) | Flatpack |
| Package (DS‑319) | TO‑8‑2 |
It operates from 10 MHz to 500 MHz.
The insertion loss is up to 0.6 dB.
It provides a minimum isolation of 25 dB.