LNA 144/430 MHz на MMIC SPF5122Z
LNA 144/430 MHz на MMIC SPF5122Z The new project of US4ICI and UR7IJM is given for your attention. It is a low noise amplifier for 144 or 430 MHz bands. This amplifier particularity is that it has built on base of one chip which amplification is enough for the proper functioning of system antenna-LNA-feeding cable-transceiver. …