Apparecchiature informatiche

Krohn-Hite Corporation 3901 Altro
Produttore:
Krohn-Hite Corporation
Modello: 3901
Data: 2005
Categoria: Strumenti di misura
Gruppo: Altro
Descrizione: GPIB Programmable Elliptical Filter
Informazioni:

The Krohn-Hite Model 3901 programmable, two channel, high-pass/low-pass elliptical filter/voltage gain Amplifier is one of a family of programmable filters from Krohn-Hite. As an elliptical filter, the Model 3901 has two independent filter channels, one low-pass and the Other high-pass, allowing for band-pass operation with atunable cutoff frequency range from 1Hz to 99kHz and a role-off rate of 115dB/octave. Each filter section has aminimum stopband attenuation of >80dB and apassband ripple oftypically 0.22dB. The 3901 provides either a single-ended or differential input with a common mode rejection of >60dB. Input gains up to 40dB in 10dB steps and output gains to 20dB in 10dB steps are also provided. The 3901 will accept input signals of ±10V peak at 0dB gain and has selectable ac or dc coupling. The filter is GPIB bus programmable and is complimented with non-volatile memory for storage of up to 99 front panel set-ups. Overload detectors are standard and assist the user in detecting excessive input signals or incorrect gain settings. The 3901q is also a programmable voltage gain Amplifier for applications that require a low-noise Amplifier. The Amplifier has a bandwidth of 1MHz and gains to 60dB, selectable in 10dB steps, and a wideband noise <100μν. Typical applications for the Model 3901 are: distortion measurements, separating specific bandwidths of information, enhancing signal-to-noise ratio, low noise pre-amplification and many more.

Questi manuali sono disponibili per l'attrezzatura di cui sopra:

Tipo manuale: Manuale d'uso KrohnHite-7102-Manual-Page-1-Picture
Pagine: 50
Dimensioni: 347.01 Kbytes (355337 Bytes)
Lingua: Inglese
Revisione: 05.16.05
Manuale-ID/numero:
Data: 2005
Qualità: Documento elettronico, senza ricerca, molto ben leggibile.
Data di aggiunta:
MD5: 06d092c87aed8b433fe8459fc634f0b2
Downloads: 259 dal 06 settembre 2015
Informazioni:

1.0 Section 1 1.1 Introduction ... 1-1 1.2 Specifications ... 1-1 1.2.1 Function ... 1-1 1.2.2 Filter Mode ... 1-1 1.2.3 Amplifier Mode (Each Channel) ... 1-2 1.2.4 General ... 1-3 1.2.5 Options ... 1-3 1.3 Shipping to Krohn-Hite for Repair or Calibration ... 1-3 1.4 Claim for Damage in Shipment to Original Purchaser ... 1-4 1.5 External Cleaning ... 1-4 2.0 Section 2 2.1 Introduction ... 2-1 2.2 Turn-On Procedure ... 2-1 2.3 Self-Test ... 2-1 2.4 Front Panel Controls and Display ... 2-2 2.4.1 Data Keys and Display ... 2-2 2.4.2 Parameter and Control Keys ... 2-2 2.4.3 Channel Selection ... 2-4 2.4.4 Cutoff Frequency ... 2-4 2.4.5 Input Gain (Pre-Filter) ... 2-4 2.4.6 Output Gain (Post-Filter) ... 2-4 2.4.7 Digit Select/ Increment and Decrement ... 2-4 2.4.8 Key Click Feature On/Off ... 2-4 2.5 Rear Panel Controls ... 2-5 2.5.1 Introduction ... 2-5 2.5.2 BNC Connectors and Indicators ... 2-5 2.5.2.1 Input Connectors ... 2-5 2.5.2.2 Output Connectors ... 2-5 2.5.2.3 Indicators ... 2-5 2.5.3 DC Level Adj (Rear Panel) ... 2-5 2.5.4 Power ... 2-5 2.5.5 GPIB Connector ... 2-5 2.6 Filter Operating Characteristics ... 2-6 2.6.1 Introduction ... 2-6 2.6.2 Amplitude Response ... 2-6 2.6.3 Low-Pass Phase Response ... 2-6 2.6.4 High-Pass Phase Response ... 2-7 2.6.5 Group Delay ... 2-8 2.6.6 Transient Response ... 2-8 2.6.7 Impulse Response ... 2-9 2.6.8 Variable Band-Pass Operation ... 2-9 2.6.9 Band-Reject Operation ... 2-10 3.0 Section 3 3.1 Introduction ... 3-1 3.2 Preliminary Programming Information ... 3-1 3.2.1 GPIB Primary Bus Address ... 3-1 3.2.2 GPIB Bus Interface Programming Connector ... 3-2 3.3 ASCII Data Commands ... 3-3 3.3.1 Format ... 3-3 3.3.2 Types of Data Commands ... 3-3 3.3.3 Table of ASCII Commands ... 3-3 3.3.4 Examples ... 3-5 3.3.4.1 Example 1 ... 3-5 3.3.4.2 Example2 ... 3-5 3.3.4.3 Example3 ... 3-5 3.4 IEEE-488 Standard Commands ... 3-6 3.4.1 Multi-Line Messages ... 3-6 3.4.2 Polling Commands ... 3-7 3.4.2.1 Parallel Polling ... 3-7 3.4.2.2 Service Request And Serial Polling ... 3-8 3.4.2.3 Serial Responses ... 3-8 3.4.3 Uniline Messages ... 3-9 3.5 Talker Format ... 3-9 3.5.1 Parameter Information Format ... 3-10 3.5.2 Model Number and Software Version Format ... 3-10 3.6 Programming Examples ... 3-10 3.6.1 Example 1 - Microsoft Quick Basic ... 3-10 3.6.2 Example 2 - Borland Turbo C ... 3-12 3.6.3 Example 3 - National Instruments IBIC ... 3-18 4.0 Section 4 4.1 Introduction ... 4-1 4.2 Required Test Equipment ... 4-1 4.3 Channel 1 - High-Pass ... 4-1 4.3.1 Pre-Filter. Post-Filter and Unity Gain Accuracy ... 4-1 4.3.2 Low Bands Ripple Response ... 4-2 4.3.3 High Band Ripple Response ... 4-2 4.3.4 Stopband Attenuation ... 4-3 4.3.4.1 Band1 ... 4-3 4.3.4.2 Band2 ... 4-3 4.3.4.3 Band3 ... 4-3 4.3.4.4 Band4 ... 4-3 4.3.5 Cutoff Frequency Accuracy ... 4-3 4.3.6 Noise Measurements (2MHz Detector Bandwidth) ... 4-4 4.4 Channel 2 - Low-Pass ... 4-4 4.4.1 Pre-Filter, Post-Filter, and Unity Gain Accuracy ... 4-4 4.4.2 Low Band Ripple Response ... 4-5 4.4.3 High Band Ripple Response ... 4-5 4.4.4 Stopband Attenuation ... 4-5 4.4.4.1 Band1 ... 4-5 4.4.4.2 Band 2 ... 4-6 4.4.4.3 Band 4 ... 4-6 4.4.5 Cutoff Frequency Accuracy ... 4-6 4.4.6 Noise Measurements (2MHz Detector Bandwidth) ... 4-6 4.4.7 Passband Gain and Distortion Tests ... 4-7

KrohnHite-7102-Manual-Page-1-Picture


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