BH4138FV amplifier equivalent, 2nd mixer and if amplifier.
1) Mixer circuit, IF amplifier, and RSSI circuit are builtin. 2) Mixer input frequency response 10MHz to 200MHz. 3) The recommended IF amplifier frequencies are 450kHz an.
Digital cellular phones FFeatures 1) Mixer circuit, IF amplifier, and RSSI circuit are builtin. 2) Mixer input frequency.
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