BS 6493-2.3:1987

National foreword
Committees responsible
Chapter I: General
1. Introductory note
2. Purpose
Chapter II: Terminology and letter symbols
1. General terms
2. Terms related to ratings and characteristics
2.1 Linear amplifiers
2.2 Voltage and current regulators
2.3 Analogue signal switching circuit
2.4 Integrated circuit microwave amplifiers (under
     consideration)
3. Letter symbols
3.1 Linear amplifiers
3.2 Voltage and current regulators
3.3 Analogue signal switching circuits
3.4 Integrated circuit microwave amplifiers
Chapter III: Essential ratings and characteristics
Section One - Standard format for the presentation
     of published data
1. Function
2. Description of circuit
3. Ratings (limiting values)
4. Recommended operating conditions
5. Electrical characteristics
6. Mechanical characteristics and other data
7. Application data
Section Two - Operational amplifiers (having two
     inputs and one output)
1. Function
2. Description of circuit
3. Ratings (limiting values)
4. Recommended operating conditions
5. Electrical characteristics
6. Mechanical characteristics and other data
7. Application data
Section Three - Audioamplifiers, videoamplifiers
     and multichannel amplifiers for
     telecommunications
1. Function
2. Description of circuit
3. Ratings (limiting values)
4. Recommended operating conditions
5. Electrical characteristics
6. Mechanical characteristics and other data
7. Application data
Section Four - R.F. and I.F. amplifiers
1. Function
2. Description of circuit
3. Ratings (limiting values)
4. Recommended operating conditions
5. Electrical characteristics
6. Mechanical characteristics and other data
7. Application data
Section Five - Voltage and current regulators
1. Function
2. Description of circuit
3. Ratings (limiting values)
4. Recommended operating conditions
5. Electrical characteristics
6. Mechanical characteristics and other data
7. Application data (under consideration)
Section Six - Analogue signal switching circuits
General
1. Functional specifications
2. Description of circuit
3. Ratings (limiting values)
4. Recommended operating conditions
5. Electrical characteristics
6. Mechanical characteristics and other data
7. Application data
Section Seven - Control circuits for switch-mode
     power supplies
1. General
2. Electrical and functional description of the
     circuits
3. Ratings (limiting values), electrical and
     thermal
4. Recommended operating conditions
5. Electrical characteristics
5.1 Characteristics at ambient or case
     temperature of 25 deg C
5.2 Effects of supply voltage or temperature
     variations on the essential characteristics
6. Mechanical ratings, characteristics and other
     data
7. Handling precautions
8. Application data, supplementary information
Section Eight - Dual-tone multifrequency oscillator
                circuits
1. Circuit identification and description
2. Functional specifications
3. Ratings (limiting values)
3.1 Electrical limiting values
3.2 Temperatures
4. Recommended operating conditions (within the
     specified operating temperature) range
5. Electrical characteristics
5.1 Static characteristics at ambient or
     reference-point temperature of 25 deg C
5.2 Dynamic characteristics at ambient or
     reference-point temperature of 25 deg C
5.3 Effects of variation of supply voltage(s) and
     temperatures on the essential characteristics
6. Mechanical characteristics and other data
7. Application data
Chapter IV: Measuring methods
Section One - General
1. Basic requirements
2. Specific requirements
3. Application matrix
Section Two - Linear amplifiers (including
     operational amplifiers)
1. Specific requirements
2. Power supply current [22]
3. Small-signal input impedance [23]
4. Output impedance [24]
5. Input offset voltage of a differential-input
     linear amplifier and bias voltage of a
     single-ended-input linear amplifier [25], [26]
6. Input offset current [27]
7. Input bias current [28]
8. Input offset voltage temperature
     coefficient [29]
9. Input offset current temperature
     coefficient [30]
10. Open-loop voltage amplification [31]
11. Cut-off frequency (frequencies) [32]
12. Common-mode rejection ratio [33]
13. Supply voltage rejection ratio [34]
14. Output voltage range (d.c. measurement only)
     for differential amplifiers [35]
15. Response times [39]
16. Common-mode input voltage range [42]
17. Short-circuit output current (of an
     operational amplifier) [43]
18. Cross-talk attenuation (for multiple
     amplifiers) [44]
19. Upper limiting frequency for full output
     voltage swing [45]
20. Maximum rate of change of the output voltage
     (slew rate) [46]
21. Input bias current temperature coefficient [47]
22. Cut-off frequency, unity-gain frequency [55]
23. Admissible phase margin (against
     self-oscillation) [66]
Section Three - Voltage regulators, excluding two-
     terminal (single-port) devices
1. Specific requirements
2. Input regulation coefficient and input
     stabilization coefficient [1322]
3. Ripple rejection ratio [13]
4. Load regulation coefficient and load
     stabilization coefficient [14]
5. Output noise voltage [15]
6. Temperature coefficient of regulated output
     voltage [16]
7. Stand-by current (quiescent current) [17]
8. Short-circuit current [18]
9. Reference voltage [19]
10. Transient response to changes of input
     voltage [20]
11. Transient response to changes of load
     current [21]
12. Output voltage drift
Section Four - Analogue signal switching circuits
1. Static on-state resistance [56]
2. Control feedthrough voltage [57]
3. Off-state switch isolation [58]
4. Harmonic distortion [59]
5. Cross-talk attenuation [60]
6. Turn-on time and turn-off time [64]
7. Off-state and on-state currents
Chapter V: Acceptance and reliability
1. General requirements
2. Specific requirements
Table I
Table II

Provides standards on analogue integrated circuits such as operational amplifiers (having two inputs and one output), audioamplifiers, videoamplifiers and multichannel amplifiers for telecommunications, R.F. and I.F. amplifiers, voltage and current regulators and analogue signal switching circuits. Includes measuring methods, acceptance and reliability requirement with electrical endurance test.