S1T8515A Datasheet - Samsung semiconductor

S1T8515A FM IF RECEIVER FOR FLEX PAGER

Pin No 1 2 3 4 5 6 7 8 9 10 11 12 Symbol OSCI OSCO MO VCC LI LD FSKR1 QD C1 C2 C3 FIL VAR Description Oscillator input (Base). The oscillator is an internally biased colpitts type. Oscillator output (Emitter). Mixer output (Output impedance ≈ 1.5kΩ) Connect a 455kHz filter between this pin and the L.

S1T8515A Features

* Internal A/D converter for 4 level FSK (2-bit ADC) High transmission rate: 6400bps (Max.) Operating voltage range: VCC1 = 1.1 ~ 4.0V Typical supply current: 1.5mA at 1.4V Low battery detection circuit (alarm function): 1.05V Mixer

S1T8515A_Samsungsemiconductor.pdf