SL1451
SL1451 is WIDEBAND PLL FM DETECTOR manufactured by Zarlink Semiconductor.
FEATURES
I plete PLL System for Wideband FM Demodulator I Noise Threshold Performance: 8d B (Typ.) I Low External ponent Count I Positive and Negative going Video Output I Demodulates FM Signals with up to 28MHz p-p
Deviation APPLICATIONS
OSCILLATOR BASE OSCILLATOR VCC PHASE DETECTOR IN PHASE DETECTOR IN 0V
12 11 10
DP16
Fig. 1 Pin connections
- top view
I DBS Receivers I Wideband Data munications Demodulation
ORDERING INFORMATION
SL1451 NA DP (16-lead plastic DIL package)
ABSOLUTE MAXIMUM RATINGS
Operating temperature range Supply voltage, VCC Storage temperature Junction temperature 210°C to180°C 11V 255°C to 1150°C 1175°C
RF GAIN CONTROL
AGC PHASE DETECTOR INPUTS OUTPUT INPUT INPUT
9 6 7
LOOP FEEDBACK INPUT 1
680 RF INPUT RF INPUT
12 11
570 PHASE DETECTOR RF AMPLIFIER 570 VIDEO AMPLIFIER 680
16 2
14 15
VIDEO OUTPUT VIDEO OUTPUT
OSC VC
3- 3k 2- 2k
OSC BASE OSC EMITTER
4 3
OSCILLATOR TRANSISTOR
LOOP FEEDBACK INPUT 2
VEE1 VEE2
4- 9k
820 VEE2
Fig. 2 Block diagram
ELECTRICAL CHARACTERISTICS
These characteristics are guaranteed over the following conditions (unless otherwise stated): TAMB = 125°C, VCC = 7- 4V to 9V Characteristic Pin Min. Supply current Supply voltage Minimum oscillator frequency Maximum oscillator frequency Phase detector input level from oscillator RF input level Phase detector gain AGC output Oscillator lock range VCO slope Video output voltage Intermodulation products Video bandwidth 13,5 13,5 40 7- 4 Value Typ. 55 8- 2 300 700 70 40 0- 5 300 140 50 14 1- 5 240 18 Max. 70 9 m A V MHz MHz m V m V V/Radian µA µA MHz MHz/V V p-p d Bm MHz Units...