Compact OEM module. Various models for different dynamic requirements. Power supply using external power adapter, also customer's own
E-841 and E-842 power adapter modules with varied performance ranges. Suitable for supplying up to three E-831 piezo amplifiers. Custom power adapters on request
Low-noise power amplifier. Gain value 10. Output voltage range -30 to 130 V, depending on the power adapter used. Monitor output 1 : 100. Overtemperature protection. Solder pins for PCB mounting
Amplifier | E-831.03 | E-831.05 |
|---|---|---|
Function | Piezo amplifier module, 1 channel | Miniature piezo amplifier module, 1 channel |
Input voltage range | -2 to 12 V | -2 to 12 V |
Output voltage* | -30 to 130 V | -30 to 130 V |
Peak current (<8 ms) | 100 mA | 250 mA |
Continuous Current | 50 mA (up to 2 minutes without cooling) | 100 mA (up to 1 minute without cooling) |
Current limitation | Short-circuit proof | Short-circuit proof |
Voltage gain | 10±0.1 | 10±0.1 |
Bandwidth, small signal | 3.5 kHz (open) | 15 kHz (open) |
Ripple, noise, 0 to 100 kHz | 0.8 mVrms 20 mVpp | <0.15 mVrms <1 mVpp |
Capacitive base load (internal) | 10 nF | 10 nF |
Output impedance | 33 Ω | 5 Ω |
Input impedance | 100 kΩ | 1 MΩ |
Miscellaneous | E-831.03 | E-831.05 |
|---|---|---|
Contacting | Soldering pins, Ø 1 mm, 6 mm | Soldering pins, Ø 0.7 mm, 9 mm |
Operating temperature range | 5 to 50 °C | 5 to 50 °C |
Overtemperature Protection | Deactivation at a housing temperature of 70 °C | Deactivation at a housing temperature of 75 °C |
Dimensions | 50 mm × 30 mm × 14 mm | 60 mm × 28 mm × 6 mm |
Material | Metal shielded housing | Metal shielded housing |
Operating voltages | 127 to 137 V / 1.8 mA -28 to -38 V / 1.8 mA 15 V / 20 mA -15 V / 7 mA | 127 to 137 V / 6 mA -28 to -38 V / 6 mA |
Dynamic current consumption | Depending on load, amplitude and slew rate | Depending on load, amplitude and slew rate |
Power supply modules | E-841.05 / E-842.05 | E-841.55 |
|---|---|---|
Function | Power supply module (8 W) for up to 3 × E-831 | Power supply module (20 W) for up to 3 × E-831 |
Output voltages and currents | 127 V / 30 mA -26 V / 30 mA 15 V / 60 mA -15 V / 20 mA | 137 V / 60 mA -37 V / 60 mA 15 V / 0.3 A -15 V / 0.3 A |
Max. output power | 8 W | 20 W |
Average output power | 8 W with forced air flow (5 W without) | 20 W |
Current limitation | Short-circuit proof (1 minute) | Short-circuit proof (1 minute) |
Operating voltage | 10 to 30 V (E-841.05) 30 to 72 V (E-842.05) | 12 to 30 V |
Current consumption (without load) | 100 mA at 15 V 60 mA at 30 V 25 mA at 72 V (E-842.05) | 100 mA at 12 V 90 mA at 15 V 60 mA at 24 V 60 mA at 30 V |
Max. current consumption | 1 A (E-841.05 at 10 V) 200 mA (E-842.05 at 72 V) | 2.2 A at 12 V 1.1 A at 24 V |
Power-on peak current | 1.5 A | 2.5 A |
Typ. Switching frequency | 100 kHz | 180 kHz |
External clock frequency | 200 kHz (185 to 220 kHz possible) | 200 kHz (200 to 225 kHz possible) |
Synchronization signal | TTL level with duty cycle 50 %; operating from 1.8 Vpp, and offsets within ±7 V | TTL-level with duty cycle 50 %; operating from 2.5 Vpp |
Output ripple | <100 mVpp | <20 mVpp |
Operating temperature range | 5 to 50 °C (above 40 °C, power derated) | 5 to 50 °C (above 40 °C, power derated) |
Housing | Metal shielded housing, 50 ×mm 44 mm × 14 mm | Metal shielded housing, 75 mm × 62 mm × 28 mm |
Contacting | Soldering pins, Ø 1 mm, 7 mm | Soldering pins, Ø 1 mm, 4 mm |
* Depending on the power adapter. Full voltage range with E-841.55. With E-841.05 and E-842.05 max. -20 to 120 V for up to three amplifier modules.