| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM7121 |  666Kb/19P | 235 MHz Tiny Low Power Voltage Feedback Amplifier |
 National Semiconductor ... | LM7121IM |  666Kb/19P | 235 MHz Tiny Low Power Voltage Feedback Amplifier |
 National Semiconductor ... | LM7121IM5 |  666Kb/19P | 235 MHz Tiny Low Power Voltage Feedback Amplifier |
 National Semiconductor ... | LM7121IM5X |  666Kb/19P | 235 MHz Tiny Low Power Voltage Feedback Amplifier |
 National Semiconductor ... | LM7121IMX |  666Kb/19P | 235 MHz Tiny Low Power Voltage Feedback Amplifier |
 National Semiconductor ... | LM7121 |  709Kb/21P | LM7121 235 MHz Tiny Low Power Voltage Feedback Amplifier |