Some potentially useful information that cannot be found with a single Google search.
Specifications of some commonly used varactors:
- Motorola MVAM108 25-500pF; –pF@9v; 30pF@8v; 40pF@7v
- Motorola MVAM109 30-460pF; 30pF@9v; 35pF@8v; 50pF@7v
- Motorola MV209 5-40pF; 12pF@9v; 14pF@8v; 16pF@7v
- Toshiba 1SV149: 25-500pF; 20pF@8.5v; 25pF@8v; 30pF@7v
Power across 50 ohm loads
7dBm (drive required by SBL-1) is 1.4V peak-peak. The full table is here.