The service manual for the HP 461A and 462A Wideband Amplifiers provides detailed instructions on installation, operation, and maintenance, including performance checks, calibration procedures, and troubleshooting tips. It covers topics such as power and grounding requirements, impedance matching, cascading amplifiers, and specific tests for gain, frequency response, and noise levels to ensure proper functionality and performance.
Overview
The product is the Hewlett-Packard Models 461A and 462A Wideband Amplifier. The manual covers operating and service instructions, including installation, operating procedures, theory of operation, maintenance, and replaceable parts. It also includes appendices for manual backdating changes and lists of manufacturers and sales and service offices. The manual is applicable to serial numbers prefixed with 946- for the 461A model and 947- for the 462A model.
Specifications
- Frequency Range: 1 kHz to 150 MHz
- Frequency Response: +/-1 dB, 1 kHz to 150 MHz
- Gain at 500 kHz: 40 dB +/-0.5 dB; or 20 dB +/-1.0 dB
- Input Impedance: Nominal 50 ohms
- Maximum Input: 1 volt rms or 2 volts p-p pulse
- Maximum dc Input: +/-2 Volts
- Maximum Output: 1/2 volt rms into 50 ohm resistive load (461A), 1 volt peak-to-peak into 50 ohm resistive load (462A)
- Equivalent Wideband Input Noise Level: Less than 40 uV in 40 dB position when loaded with 50 ohms
- Distortion: Less than 5% at maximum output and rated load
- Overload Recovery: Less than 1 microsecond for 10 times overload
- Pulse Response: Rise Time: Less than 4 nanoseconds (462A)
- Overshoot: Less than 5% (462A)
- Pulse Overload Recovery: Less than 1 us for 10 times overload (462A)
- Pulse Duration for 10% Droop: 30 us (462A)
- Delay: 12-14 nanoseconds (462A)
- Power Supply: 115 or 230 V +/-10%, 48 to 440Hz, 5 watts
- Weight: Net: 4 lbs (1.8 kg), Shipping: 5 lbs (2.3 kg)
- Dimensions: 5 1/8 in. (13 cm) wide, 3 in. (7.6 cm) high, 11 in. (27.9 cm) deep
- Accessory Furnished: Detachable power cord
- Accessory Available: -hp- 11048C, 50 ohm feedthrough termination
Controls & Indicators
Refer to the PDF for details.
Installation / Setup
Refer to the PDF for details.
Operation
Refer to the PDF for details.
Troubleshooting & Error Codes
Refer to the PDF for details.
Safety & Warnings
Refer to the PDF for details.
Download SERVICE Service manual (PDF – 2.0 MB)
HP-461A/462A Service Manual PDF: Guide for troubleshooting, calibrating, and servicing the HP-461A/462A models. File size: 2.0 MB.
- Brand: Hp-461a-462a-operating
- Model: SERVICE
- Type: Service manual
- File size: 2.0 MB
Overview
Brief overview of the product.
Specifications
- Key spec 1
- Key spec 2
Controls & Indicators
Control panel/button layout.
Installation / Setup
- Step 1…
- Step 2…
Operation
Basic usage, modes, cycles.
Troubleshooting & Error Codes
| Issue / Code | Fix |
|---|---|
| Example | How to fix… |
Safety & Warnings
- Important warning…
Downloads
Download SERVICE service manual (PDF)