UHF variable capacitance diode DESCRIPTION The BB149A is a planar technology variable capacitance diode, in a SOD323 very small plastic SMD package. The excellent matching performance is achieved by gliding matching and a direct matching assembly procedure. Electronic tuning in UHF television tuners VCO Excellent linearity Excellent matching to 2% DMA Very small plastic SMD package C28: 2.1 pF; ratio 9 Low series resistance