Krohn-Hite 7602 RF Amplifier, DC to 1 MHz, 34W, 282Vrms

Krohn-Hite 7602 Amplifier

The Krohn-Hite 7602 Amplifier redefines power and precision in medical applications, delivering a robust performance with 34 watts of continuous output power. With a commitment to excellence, this amplifier not only expands voltage capabilities but also minimizes distortion, making it a versatile solution for demanding environments.

Key Features:

• Continuous Power: 34 watts (dc) and 68 watts (peak)
• Voltage Output: 282V rms (800V p-p)
• Frequency Response: ±0.1dB to 10kHz
• Distortion Levels: <0.01% to 5kHz; <0.3% to 100kHz
• Selectivity: Voltage gain options ranging from 0dB to 42dB in adjustable increments
• Modes: A, A-B, -B
• Common Mode Rejection: 80dB
• Input Coupling: AC or DC selectable
• Temperature Monitoring: Selectable meter displays heat sink temperatures in °C, output peak voltage, and average output current
• DC Offset Control: Adjustable from 0V to ±200V
• Balanced Output: Provides simultaneous plus and minus voltages

Technical Specifications:

Frequency Range:

DC to 1MHz

Power Output:

• 1k Ohm Load: 17W rms, 34W DC & peak (DC to 500kHz); 5W rms (1MHz)
• 600 Ohm Load: 10W rms (100Hz to 1MHz); 5W rms, 10W DC & peak (DC to 100Hz)

Voltage Specifications:

• No Load: ±200V DC & peak, 141V rms
• 1k Ohm Load: ±184V DC & peak, 130V rms (DC to 500kHz); ±113V peak, 80V rms (1MHz)
• 600 Ohm Load: ±113V peak, 80V rms (100Hz to 1MHz); ±78V DC & peak, 55V rms (DC to 100Hz)

Current Output:

910 Ohm load, ±200mA peak, 141mA rms (DC to 500kHz)

Frequency Response:

• ±0.1dB (DC to 10kHz)
• ±0.25dB (200kHz)
• ±0.5dB (500kHz); 0-130V rms
• ±0.5dB (1MHz); 0-80V rms

Harmonic Distortion:

• <0.01% to 5kHz at 175V peak output
• <0.05% at 200V peak
• <0.3% to 100kHz

Voltage Gain:

Selectable in ranges 0dB to 42dB, continuously variable with a step accuracy of ±0.1dB plus frequency response specification.

Dynamic Range:

>80dB

Phase Shift:

A input 0° ±1°, B input 180° ±1° (DC to 10kHz), increasing linearly to 60° lagging at 1MHz.

Square Wave Response:

• Rise/Fall Times: 120ns to 50Vp-p
• Slew Rate: >600V/µs at 400Vp-p
• Aberrations: <5%

Regulation:

<0.1% from no load to 1k Ohm load, (DC to 10kHz), rising to 2% at 1MHz.

Input Specifications:

• Maximum Voltage Without Damage: ±200V DC referred to ground
• Common Mode Rejection: 80dB (DC to 200Hz); progressively lower to 20dB at 1MHz.
• Sensitivity: ±1.6V peak.
• Impedance: 1 Meg Ohm in parallel with 30pF at front inputs, 65pF with optional rear inputs.