Solutions Search - LT3042 - 20V, 200mA, Ultralow Noise, Ultrahigh PSRR RF Linear Regulator

DC2429A - LT3042 PLL/VCO Supply and Reference Board

Aug 23rd 2016
Demonstration Circuit 2429A is a PLL/VCO Supply and Reference Board that features the LT3042, an ultralow noise and ultrahigh PSRR RF linear regulator. When powered from any lab or wall wart supply, the DC2429A produces four ultralow noise supplies and an ultralow noise 100MHz reference that ensures PLL/VCO evaluation meets ...

AN159: Measuring 2nV/√Hz Noise and 120dB Supply Rejection on Linear Regulators - The Quest for Quiet

Apr 4th 2016
AN159: Introduction A quiet, well regulated supply is important for optimum performance with a number of circuit applications. Voltage controlled oscillators (VCOs) and precision voltage controlled crystal oscillators (VCXOs) respond to small changes in their supply very quickly. Phase-locked loops (PLLs) require a stable supply ...

Increasing Output Current of the Ultralow Noise, Ultrahigh PSRR LT3042 200mA Linear Regulator

Kevin B. Scott - Senior Strategic Marketing Engineer
Amit Patel
Dawson Huang Aug 17th 2015
The LT0342 is a 200mA, 1.8V to 20V input, linear regulator that targets low noise RF and wireless circuits. It features an industry-leading 0.8µVRMS output noise (10Hz to 100kHz) and an impressive 79dB PSRR at 1MHz. Several customers have asked for ways to increase the current above 200mA while still maintaining low noise ...

Ultralow Noise and Ultrahigh PSRR

Amit Patel Jun 17th 2015
When it comes to powering noise-sensitive analog/RF applications, low dropout (LDO) linear regulators are generally preferred over their switching counterparts. Low noise LDOs power a wide range of analog/RF designs, including frequency synthesizers (PLLs/VCOs), RF mixers and modulators, high speed and high resolution data ...

LT3042 5V VIN to 3V VOUT with 0.8μVRMS Integrated Noise

Mar 4th 2015
The LT®3042 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to further reduce ...

LT3042 Ultralow Noise Higher Current Regulator with External PNP

Mar 4th 2015
The LT®3042 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to further reduce ...

Paralleling Multiple LT3042s for Higher Output Current

Mar 4th 2015
The LT®3042 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to further reduce ...

LT3042 Ultralow Noise 5Vin to 2Vout Higher Current (1A) Regulator with External NPN

Mar 4th 2015
The LT®3042 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to further reduce ...

LT3042 5Vin to 3.3Vout @ 400mA Using Parallel Devices

Mar 4th 2015
The LT®3042 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to further reduce ...

DC2246A - LT3042EDD Demo Board | Ultralow Noise, Ultrahigh PSRR RF LDO Regulator, VIN = 3.8V to 20V, Vout = 3.3V @ 200mA

Feb 23rd 2015
DC2246A is a linear regulator featuring the LT®3042EDD, which is a 200mA, ultralow noise, and ultrahigh power supply rejection ratio (PSRR) RF low dropout (LDO) linear regulator with programmable current limit. DC2246A operates over an input range of 3.8V to 20V. The LT3042 has a maximum output current of 200mA. It features ...

20V, 200mA RF LDO with Ultralow (0.8μV ) Noise & 79dB PSRR at 1MHz Powers NoiseSensitive

Feb 23rd 2015
MILPITAS, CA - February 23, 2015 - Linear Technology Corporation announces the LT3042, a leading-edge, ultralow noise, ultrahigh power supply ripple rejection (PSRR) low dropout voltage linear regulator. Its unique design features ultralow spot noise of only 2nV/√Hz at 10kHz and 0.8µVRMS integrated output noise across a wide ...