The TRF2050 is a low-voltage, low-power consumption 1.2-GHz fractional-N/integer-N frequency synthesizer component for wireless applications. Fractional-N division and an integral speed-up charge pump are used to achieve rapid channel switching. Two operating modes are available: 1) SA7025 emulation mode in which the part emulates the Philips SA7025 fractio.
including fractional accumulator modulos from 1 to 16 (compared to only 5 or 8 for the SA7025) and programmable control of the speed-up mode duration (compared to the SA7025 method of holding the strobe line high). Along with external loop filters, the TRF2050 provides all functions necessary for voltage-controlled oscillator (VCO) control in a dual phase-locked loop (PLL) frequency synthesizer system. A main channel is provided for radio frequency (RF) channels and an auxiliary channel for intermediate frequency (IF) channels. The current-output charge pumps directly drive passive resistance-.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | TRF2056 |
Texas Instruments |
LOW-VOLTAGE 1.2-GHz FRACTIONAL-N/INTEGER-N SYNTHESIZER | |
2 | TRF2000L |
Coilcraft |
Tip and Ring Common Mode Filters | |
3 | TRF2020 |
Texas Instruments |
SYNTHESIZER | |
4 | TRF2432 |
Texas Instruments |
Dual-Band IQ/IF TRANSCEIVER | |
5 | TRF2443 |
Texas Instruments |
Integrated IF Transceiver | |
6 | TRF250-120T |
Tyco Electronics |
Raychem PolySwitch PPTC device | |
7 | TRF250-120T-B-0.5 |
Tyco Electronics |
Raychem PolySwitch PPTC device | |
8 | TRF250-120T-R1-B-0.5 |
Tyco Electronics |
Raychem PolySwitch PPTC device | |
9 | TRF-100 |
Cooper Industries |
(TRF-xx) Traction Fuse | |
10 | TRF-125 |
Cooper Industries |
(TRF-xx) Traction Fuse | |
11 | TRF-160 |
Cooper Industries |
(TRF-xx) Traction Fuse | |
12 | TRF-70 |
Cooper Industries |
(TRF-xx) Traction Fuse |