RF Driver A35XXX-S-1/50-P4K7U
A35XXX-S-1/50-P4K7U is a high-performance RF driver operating at 40–300 MHz, delivering up to 5 W into 50 Ω with analog/digital modulation and rise times as short as 4 ns. In addition to analog-voltage control, digital signals switch RF power ON/OFF. Both modes have switching ratios ≥65 dB for high-contrast intensity modulation and precise pulses. Modulation frequencies reach 25% of the carrier, up to 50 MHz. The aluminum-alloy housing provides EMC shielding and mechanical protection. The baseplate provides mounting and cooling for reliable thermal stability. Compatible devices: FiberQ, acousto-optic modulators, and frequency shifters. Cooling: Mount the baseplate on a heatsink capable of approximately 36W dissipation. * Parameters measured into 50 Ω. ** Other configurations are customizable. *** Standard frequencies: 40 MHz, 80 MHz, 110 MHz, 150 MHz, 200 MHz. **** Dimensions: length × width × height. Original connectors and pins: Interface | Specification RF Output Interface | SMA female Control Input Interface | D-Sub 7W2 Pin 1 and 2 (internally connected) | GND (chassis ground) Pin 3 and 5 (internally connected) | +Vs（24 VDC） Pin 4 | Not connected Pin A1 (coaxial) | Analog Modulation Input A2Pin (coaxial) | Digital Modulation Input Quality Standards (original table)： EU 2002/95/EC（RoHS） | Compliant EMC Standard | VDE 0871-B，FCC Rules Part 15-B Thermal Test | 70 ℃ Passive operation for 2 hours Aging Test | Operation at maximum RF output for 30 minutes
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Overview
Specifications
| Parameter | Value |
|---|---|
| RF Output Power [50 Ω Load ( Footnote *)] | Maximum ＞5 W (+37 dBm), adjustable range: ＜0.1 W ～ ＞5 W* |
| Supply Voltage | +24 VDC |
| Supply Current [RF output 5 W] | 1.5 A (@5 W RF output) |
| Output Impedance | 50 Ω |
| Frequency Accuracy | ＜±25 ppm |
| Harmonic Distortion [50 Ω Load ( Footnote *)] | ＜-26 dBc* |
| Analog Modulation Impedance [Other configurations customizable (footnote **)] | 50 Ω** |
| Analog Modulation Voltage Range [50 Ω input; other configurations customizable (footnote **)] | 0 ～ +1 V（@ 50 Ω）** |
| Analog Modulation RF Switching Ratio [Other configurations customizable (footnote **)] | ＞65 dB** |
| Digital Modulation Input Impedance [Other configurations customizable (footnote **)] | 4.7 kΩ (pull-up resistor)** |
| Digital Modulation Level [Other configurations customizable (footnote **)] | High:≥3 V ～ 5 V (RF on); low:0 ～ ＜2 V (RF off)** |
| Digital Modulation Switching Ratio [Other configurations customizable (footnote **)] | ＞100 dB** |
| RF Output Frequency [Standard frequencies 40/80/110/150/200 MHz (footnote ***)] | 40～＜80 MHz；80～＜140 MHz；140～＜200 MHz；200～350 MHz*** |
| Cooling Method | Conduction cooling |
| Dimensions [Housing length×width×height; mounting baseplate listed separately (footnote ****)] | Housing:120 × 50 × 36 mm****; mounting baseplate:120 × 70 mm |
| Weight | 360 g |
| Warm-Up Time [For optimum stability] | 10 min (for optimum stability) |
| Baseplate Temperature [Keep constant for optimum output stability] | +10 ℃ ～ +60 ℃ (must be kept constant for optimal output stability) |
| Storage Temperature [non-condensing] | -20 ℃ ～ +70 ℃（ non-condensing ） |
| Supply Voltage Upper Limit [Absolute Ratings] | +26 VDC |
| Analog Modulation Voltage Limit [Absolute Ratings] | -0.5 V ～ +1.1 V (corresponding to the 0～+1 V operating range) |
| Digital Modulation Level Limit [Absolute Ratings] | -0.5 V ～ +5.5 V |
| Operating Temperature (Baseplate) [Absolute Ratings] | maximum +65 ℃ |
| RF Rise/Fall Time [Analog Modulation ;25% Bandwidth ;10–90% PRF] | ＜25 ns |
| RF Rise/Fall Time [Analog Modulation ;15% Bandwidth ;10–90% PRF] | ＜15 ns |
| RF Rise/Fall Time [Analog Modulation ;10% Bandwidth ;10–90% PRF] | ＜10 ns |
| RF Rise/Fall Time [Analog Modulation ;8% Bandwidth ;10–90% PRF] | ＜8 ns |
| RF Rise/Fall Time [Digital modulation; 25% bandwidth; 10–90% PRF] | ＜25 ns |
| RF Rise/Fall Time [Digital modulation; 15% bandwidth; 10–90% PRF] | ＜15 ns |
| RF Rise/Fall Time [Digital modulation; 10% bandwidth; 10–90% PRF] | ＜10 ns |
| RF Rise/Fall Time [Digital modulation; 8% bandwidth; 10–90% PRF] | ＜8 ns |
Key Features
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