Allicdata Part #: | 1127-2980-ND |
Manufacturer Part#: |
HMC495LP3E |
Price: | $ 0.00 |
Product Category: | RF/IF and RFID |
Manufacturer: | Analog Devices Inc. |
Short Description: | IC MODULATOR SIGE DIRECT 16-QFN |
More Detail: | RF Modulator IC 250MHz ~ 3.8GHz 16-VFQFN Exposed P... |
DataSheet: | HMC495LP3E Datasheet/PDF |
Quantity: | 1000 |
Series: | -- |
Packaging: | Cut Strip |
Part Status: | Obsolete |
Function: | Modulator |
LO Frequency: | 250MHz ~ 3.8GHz |
RF Frequency: | 250MHz ~ 3.8GHz |
P1dB: | 2dBm |
Noise Floor: | -158dBm/Hz |
Output Power: | -6dBm |
Current - Supply: | 108mA |
Voltage - Supply: | 3 V ~ 3.6 V |
Test Frequency: | -- |
Package / Case: | 16-VFQFN Exposed Pad |
Base Part Number: | HMC495 |
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RF Modulators are an important part of digital broadcasting. They allow television or radio station signals to be sent in digital form, greatly improving the quality of the broadcast signal.
The HMC495LP3E is a leading transmitter modulator and up-converter IC designed for low power RF signal transmission. The key features of the HCM495LP3E include excellent thermal behavior, high linearity, and low operating current. The device is ideal for digital radio and TV broadcast and broadband applications.
The HMC495LP3E modulator operates in two primary modes: the up-conversion mode and the mixer-only mode. The up-conversion mode is used for high frequency applications such as digital terrestrial television (DTT), local multipoint distribution service (LMDS), and wireless capsule endoscopy. In this mode, the HMC495LP3E takes the input signal and first performs an up-conversion step to increase the input frequency to a desired value. This step improves the signal-to-noise (SNR) ratio of the input signal and can be very useful for high-frequency applications. The mixer-only mode is used for signal transmission over lower frequencies, as this mode allows the device to generate a signal with a lower RF carrier frequency, reducing potential interference.
The working principle of the HMC495LP3E is based on the use of a double-balanced mixer circuit, which enables the conversion of the input signal into an output signal with a new frequency and increased power. The device also features an integrated voltage controlled oscillator (VCO), which produces the RF carrier wave used to up-convert the input signal. The VCO can be tuned to the desired frequency and the signal can then be multiplied by it. The signal output will have the same frequency as the RF carrier wave, but at a much higher power level. The device also features an adjustable gain block that can be used to adjust the power level of the output signal.
The HMC495LP3E is ideal for digital radio and TV broadcast and broadband applications due to its excellent thermal behavior, high linearity, and low operating current. The device is well-suited for up-conversion of signals and also allows for lower frequency signal transmission. These features make the HMC495LP3E a popular choice for many digital broadcasting applications.
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