SL621 AGC GENERATOR DS3631 - 1.0 The SL621C is an AGC generator designed specifically for use in SSB receivers in conjunction with the SL61OC, SL611C and SL612C RF and lF amplifiers. In common with other advanced systems it generates a su itable AGC voltage directly from the detected audio waveform, provides a ‘hold’ period to maintain the AGC level during.
■ All Time Constants Set Externally
■ Easy Interfacing
■ Compaticle with SL610/611/612
APPLICATIONS
■ SSB Receivers
■ Test Equipment
QUICK REFERENCE DATA
■ Supply voltage: 6V
■ Supply current: 3mA
ODERING INFORMATION SL621 C CM SL621 CB CM
ABSOLUTE MAXIMUM RATINGS Supply voltage: 12V Storage temperature: Operating temperature range Chip operating temperature Thermal resistance Chip-to-ambient Chip-to-case
-65°C to +150°C -30°C to +85°C +175°C
225°C/W 65°C/W
Fig.2 Block diagram
SL621
ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions (unless otherw.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | SL622C |
GEC Plessey Semiconductors |
AF Amplifier / VOGAD and Sidetone Amplifier | |
2 | SL623 |
Zarlink Semiconductor Inc |
AM DETECTOR/ AGC AMPLIFIER & SSB DEMODULATOR | |
3 | SL6270C |
GEC Plessey Semiconductors |
Gain Controlled Microphone Preamplifier / Vogad | |
4 | SL600H120TL |
Slkor |
IGBT Module | |
5 | SL600H65TL |
Slkor |
IGBT Module | |
6 | SL60S30A |
Slkor |
FAST RECOVER DIODE | |
7 | SL610 |
Zarlink Semiconductor Inc |
RF/IF AMPLIFIER | |
8 | SL611 |
Zarlink Semiconductor Inc |
RF/IF AMPLIFIER | |
9 | SL612 |
Zarlink Semiconductor Inc |
RF/IF AMPLIFIER | |
10 | SL6140 |
Mitel Networks Corporation |
400MHz Wideband AGC Amplifier | |
11 | SL630C |
Plessey Semiconductors |
Headphone Amplifier | |
12 | SL6310C |
Zarlink Semiconductor Inc |
500mW SWITCHABLE AUDIO AMPLIFIER/OP AMP |