Part number | Predecessor | Obsolete? | Description |
---|
555 timer IC | | No | Timer, pulse generation, and oscillator applications. |
78xx | | No | Family of self-contained fixed linear voltage regulator integrated circuits. |
Current conveyor | | | Electronic amplifier with unity gain. Three versions of generations of the idealised device, CCI, CCII and CCIII. [2] |
Low-dropout regulator (LDO) | | | DC linear voltage regulator that can regulate the output voltage even when the supply voltage is very close to the output voltage. [3] |
Hitachi HA12043 | | Yes | CX noise reduction system for phonograph records in the 1980s. |
Hitachi HA12044 | | Yes | CX noise reduction system for phonograph records in the 1980s. |
MK484 | | | Fully functional AM radio detector on a chip. Constructed in a TO-92 case. [4] [5] |
NE612 | | | Oscillator and a mixer. Used in ham radio applications. [6] |
Operational amplifier | | | DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output. [7] |
Telefunken U401B | | Yes | High quality High Com analogue compander for audio in the 1970s. |
Telefunken U401BG | Telefunken U401B | Yes | High quality High Com analogue compander for audio in the 1970s. |
Telefunken U401BR | Telefunken U401BG | Yes | High quality High Com analogue compander for audio in the 1970s/1980s. |
Telefunken U2141B | | Yes | CX noise reduction system for phonograph records in the 1980s. |
ZN414 | | | Single-chip AM radio integrated circuit from 1972. |
LM317 | | | Adjustable 1.5 A positive voltage regulator (1.25 V-37 V) [8] |
LM13700 | | | Two current controlled operational transconductance amplifiers (OTA), each having differential inputs and a push-pull output. |
LM393 | | No | Dual Differential Comparator [9] |
LM358 | | No | Low power, wide supply range dual op-amps [10] |
LM386 | | | Low voltage audio power amplifier [11] |
LM3875 | | | High-performance 56 W audio power amplifier [12] |