FRACTIONAL PLL with SA7025/TRF2050 |
1GHz PLL with Philips SA7025
Frequency input up to 1GHz
Suitable for 144/432/1296MHz transverters
VCO 404MHz specifications
Kv = 0,5MHz/V
Output Level = 11mW/50ohm (+10,5dBm)
Auxiliary RF Output for PLL = -12dBm
808MHz Harmonic <45dBc
Output Switch Isolation >42dB
Phase Noise - no measure capability for low values
PC Software for TRF2050 (SA7025)
Soft Download TRF2050
Interface LPT - PLL
Doc. Evaluation Board
SA7025 Soft - Print Screen
PCB from UHF Radio
350-450MHz VCO with ceramic resonator
SA7025, Loop Filter
Datasheet
TRF2050
SA7025
Fractional/Integer-N PLL Basics
Code Source PIC16F628A - Universal Soft for LMX/SA PLL Chips. Thanks Vasea!
How to Modify the Source Code
PLL SA7025 Schematic
VCO 404MHz Schematic
PCB PLL SA7025
PCB VCO 404MHz