135 to 935 MHz Voltage-controlled oscillator
Voltage–controlled oscillator (VCO) is the generator that can be tuned over a wide range of frequencies by applying a control vol…
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135 to 935 MHz Voltage-controlled oscillator
Voltage–controlled oscillator (VCO) is the generator that can be tuned over a wide range of frequencies by applying a control vol…
1.18 V/ 1.02...5.1 uA Reference current and voltage source
Reference current and voltage source is used to supply any analog blocks.
PLL Lock detector with low current consumption and high accuracy
The lock detector monitors the current status of PLL by comparing the phase difference of VCO divided signal and reference oscill…
1237 to 1606 MHz Voltage controlled oscillator
Voltage-controlled oscillator is the generator that can be tuned over a wide range of frequencies by applying a control voltage t…
PLL CMOS phase-frequency detector with CMOS charge pump
Phase-frequency detector (PFD) forms control signal for VCO tuning.
PLL 24.84 MHz phase-frequency detector with charge pump
Phase-frequency detector (PFD) forms control signal for VCO tuning.
1 to 20 MHz Phase-frequency detector and charge pump
Phase-frequency detector (PFD) forms a control signal for VCO tuning.
21 to 50 MHz 4rd order Low pass filter
The block is the 4rd order Butterworth low pass filter with cut-off frequency adjustment.
22 to 50 MHz 4rd order Low pass filter
The block is the 4rd order Butterworth low pass filter with cut-off frequency adjustment (22...50 MHz ).
Programmable 9-bit CMOS low-frequency divider (5...511 dividing ratio)
The programmable CMOS low-frequency divider design is based on the 9-bit counter.
Programmable CMOS frequency divider (32...16383 dividing ratio)
The programmable CMOS frequency divider is a set of serially connected dividers with the varied dividing ratio 2/3.
130 to 940 MHz Power amplifier
The power amplifier supplies the transmit RF signal to the antenna.
Programmable CMOS HF divider (16…4095 dividing ratio)
The programmable CMOS frequency divider consists of two independent circuits.
Programmable 9-bit CMOS frequency divider (2…511 dividing ratio)
The programmable CMOS frequency divider is a set of 8 serially connected dividers with the varied dividing ratio 2/3.
PLL ECL phase-frequency detector with ECL charge pump
Phase-frequency detector (PFD) forms control signal for VCO tuning.
60 to 83 MHz High linearity intermediate frequency amplifier
Intermediate-frequency amplifier consists of 2-stages amplifier, output buffer with tunable gain and two LDO voltage regulators.
Programmable LDO voltage regulator (output voltage 2.5 V to 2.7 V)
The voltage regulator consists of differential amplifier which compares reference voltage with voltage from feedback divider.
1270 to 1650 MHz Voltage controlled oscillator
Voltage-controlled oscillator (VCO) is the generator that can be tuned over a wide range of frequencies by applying a control vol…
PLL CMOS phase-frequency detector with ECL charge pump
Phase-frequency detector (PFD) forms control signal for VCO tuning.
64 dB Intermediate frequency amplifier with wide gain range
Intermediate frequency amplifier consists of 3-stage amplifier with tunable gain, AGC system, linear output buffer for differenti…