Overview
The AD8340ACPZ-REEL7 is a high-performance RF vector modulator produced by Analog Devices Inc. This component operates within the frequency range of 700 MHz to 1.0 GHz and is designed for arbitrary amplitude and phase modulation of RF signals. It is fabricated using Analog Devices' proprietary 25 GHz SOI complementary bipolar IC process and is available in a 24-lead RoHS-compliant LFCSP package. The device is suitable for various RF applications requiring precise modulation and control.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 700 MHz to 1.0 GHz |
| Supply Voltage | 4.75 V to 5.25 V |
| Current Consumption | Approximately 130 mA |
| Amplitude Control Range | −2 dB to −32 dB |
| Phase Control Range | 0° to 360° |
| Output 1 dB Compression Point | 11 dBm |
| Output Third-Order Intercept | 24 dBm |
| Output Noise Floor | −149 dBm/Hz at full gain |
| Modulation Bandwidth | Up to 230 MHz |
| Operating Temperature Range | −40°C to +85°C |
| Package Type | 24-lead LFCSP |
Key Features
- Cartesian amplitude and phase modulation
- Continuous magnitude control from −2 dB to −32 dB
- Continuous phase control over the entire 360° range
- Adjustable modulation bandwidth up to 230 MHz
- Fast output power disable feature
- RF inputs and outputs can be used differentially or single-ended
- Nominal 50 Ω RF input and output impedances
- Baseband inputs in Cartesian I and Q format with ±500 mV differential full-scale range
Applications
- RF PA linearization and RF predistortion
- Amplitude and phase modulation
- Variable attenuators and phase shifters
- CDMA2000, GSM/EDGE linear power amplifiers
- Smart antennas
Q & A
- What is the frequency range of the AD8340?
The AD8340 operates within the frequency range of 700 MHz to 1.0 GHz. - What is the supply voltage range for the AD8340?
The supply voltage range is from 4.75 V to 5.25 V. - How much current does the AD8340 consume?
The AD8340 consumes approximately 130 mA. - What is the amplitude control range of the AD8340?
The amplitude can be controlled from −2 dB to −32 dB. - What is the phase control range of the AD8340?
The phase can be shifted continuously over the entire 360° range. - What is the output 1 dB compression point of the AD8340?
The output 1 dB compression point is 11 dBm. - What is the output third-order intercept of the AD8340?
The output third-order intercept is 24 dBm. - What is the output noise floor of the AD8340 at full gain?
The output noise floor is −149 dBm/Hz at full gain. - What is the maximum modulation bandwidth of the AD8340?
The maximum modulation bandwidth is up to 230 MHz. - What is the operating temperature range of the AD8340?
The operating temperature range is from −40°C to +85°C.
