FEATURES high frequency gain adjustment adjustable high frequency comp
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GA3203 Programmable DynamEQ
FEATURES high frequency gain adjustment adjustable high frequency compression ratio (1:1 4:1) fixed frequency compression ratio (3:1) twin average detection24dB/octave band split filter output compression limiting notch filter minimize acoustic feedback post emphasis circuitry level squelch control (1:2 expansion) multi memory programmable parameters
DESCRIPTION
GA3203
GA3203 programmable hybrid composed DynamEQ®III Wide Dynamic Range Compression signal processor GP523 controller memory chip. hybrid programmable parameters including Frequency Gain, High Frequency Gain, High Frequency Compression Ratio, Band Split Filter Crossover Frequency, AGC-I Threshold Kneepoint, AGC-O Threshold, Volume Control Notch Feedback Control. DynamEQ®III includes squelch circuit which attenuates microphone circuit noise quiet environments high gain conditions. also includes distortion compression limiting AGC-O, post emphasis circuitry, acoustic feedback notch filter. GA3203 hybrid code programmed into GP523 "4".
thinSTAXPACKAGING Hybrid typical dimensions: 0.200 0.128 0.060in. (5.08 3.25 1.52mm)
GA3203
184k 100n
185k
185k
100n
GP523
VREF
VREG
45k5
REGULATOR
FAST DETECTOR
SLOW DETECTOR
AGC-O
RECTIFIER
CONTROL
RECTIFIER
NOTCH
BAND SPLIT FILTER
COMPRESSOR
Ragc
Rsquelch
SQUELCH DETECTOR
COMPRESSOR
460k
150n
100n
resistors ohms, capacitors farads, unless otherwise stated.
BOUT
BLOCK DIAGRAM
Revision Date: December 2000 Document
GENNUM CORPORATION 489, Burlington Ontario, Canada tel. (905) 632-2996 Site: www.gennum.com E-mail: hipinfo@gennum.com
ABSOLUTE MAXIMUM RATINGS
PARAMETER Supply Voltage Power Dissipation Operating Temperature Range VALUE 2VDC 25mW -10°C 40°C -20°C 70°C
CONNECTION
VREG
GA3203
Storage Temperature Range CAUTION
ELECTROSTATIC SENSITIVE DEVICES
OPEN PACKAGES HANDLE EXCEPT STATIC FREE WORKSTATION
BOUT
ELECTRICAL CHARACTERISTICS
Conditions: Supply Voltage 1.3VDC, Frequency 3kHz, Temperature 25°C programmable parameters adjusted following values unless otherwise specified: (FC) (TH) (GHI) (CRHI) (MPO) (GLO) (NOTCH) (VC) (Squelch) CLOSED (0).
PARAMETER SYSTEM PERFORMANCE Hybrid Amplifier Current Minimum Voltage Regulator Voltage Regulator Supply Rejection System Gain High Frequency System Gain Frequency Input Referred Noise Total Harmonic Distortion with Maximum Allowable Input AGC-I (Note Minimum Compression Knee Point Maximum Compression Knee Point Attack Time Release Time HIGH PASS (Note Max. High Pass Compression Ratio Min. High Pass Compression Ratio Maximum Upper Threshold High Pass Gain Control Range
SYMBOL
CONDITIONS
UNITS
IAMP VREG PSRR AVHIGH AVLOW THDMAX
Open (Squelch Enabled)
1000
ratio
IREG 30µA
-95dBV -95dBV @1kHz,
-40dBV 1kHz, -23dBV 1kHz,
TKLOW TKHI ATT-I REL-I -40dBV, (4dB from final value) 2kHz, -65dBV, (2dB from final value) 2kHz,
HPCRMAX HPCRMIN HPUMAX HPRANGE
-60dBV -60dBV,
ratio ratio
-95dBV,
PASS (Note 1kHz Pass Compression Ratio Maximum Upper Threshold Pass Gain Control Range
NOTE Measured output Stage
LPCR LPUMAX LPRANGE
-60dBV, Tap15
ratio
-95dBV,
ELECTRICAL CHARACTERISTICS (CONTINUED)
Conditions: Supply Voltage 1.3VDC, Frequency 3kHz, Temperature 25°C programmable parameters adjusted following values unless otherwise specified: (FC) (TH) (GHI) (CRHI) (MPO) (GLO) (NOTCH) (VC) (Squelch) CLOSED (0).
PARAMETER
SYMBOL
CONDITIONS
UNITS
GA3203
Compression Ratio Maximum Threshold Minimum Threshold Threshold Range Attack Time Release Time SQUELCH Squelch Expansion Ratio Squelch Threshold POST EMPHASIS Corner Frequency (Pre-Emphasis) Boost Corner Frequency (Post-Emphasis) STATE VARIABLE FILTER Minimum Crossover Frequency Maximum Crossover Frequency Nominal Crossover Frequency NOTCH FILTER Minimum Notch Frequency Maximum Notch Frequency Nominal Notch Frequency Notch Bandwidth Notch Attenuation
NOTE Measured output Stage
CRAGC-O THMAX THMIN ATT-O REL-O
-25dBV, Tap15
ratio
Tap15
-25dBV (2dB from final value) 2kHz, Tap15, -50dBV (2dB from final value) 2kHz, Tap15,
SQEXP SQTH
-92dBV, Open, Open,
ratio
PRE3dB POST3dB
FCMIN FCMAX FCNOM
FNMIN FNMAX FNNOM FNBW FNATTN
SUPPORT SOFTWARE support software GA3203 GP523 available from Gennum's website: www.gennum.com/hip/software
GA3203
184k 100n
185k
185k
100n
GP523
REGULATOR 45k5
GA3203
FAST DETECTOR
SLOW DETECTOR
AGC-O
RECTIFIER
CONTROL
RECTIFIER
NOTCH
BAND SPLIT FILTER
COMPRESSOR
Ragc
Rsquelch
SQUELCH DETECTOR
COMPRESSOR
460k
150n
100n
resistors ohms, capacitors farads, unless otherwise stated.
Fig. Test Circuit
GA3203
184k 100n
185k
185k
100n
GP523
45k5
REGULATOR
FAST DETECTOR
SLOW DETECTOR
AGC-O
RECTIFIER
CONTROL
RECTIFIER
NOTCH
BAND SPLIT FILTER
COMPRESSOR
Ragc
Rsquelch
COMPRESSOR
SQUELCH DETECTOR
460k
150n
100n
*Any Knowles Microtronic microphone **Any Knowles Class integrated receiver resistors ohms, capacitors farads, unless otherwise stated.
Fig. Typical Application circuit
1.3V
GA3203
184k 100n
185k
185k
100n
GP523
GA3203
45k5
REGULATOR
FAST DETECTOR
SLOW DETECTOR
AGC-O
RECTIFIER
CONTROL
RECTIFIER
NOTCH
BAND SPLIT FILTER
COMPRESSOR
Ragc
Rsquelch
SQUELCH DETECTOR
COMPRESSOR
460k
150n
100n
programmer
resistors ohms, capacitors farads, unless otherwise stated.
Fig. Characterization circuit (used generate typical curves)
TABLE DEFAULTS
CLOSED
MEMORY SELECT
VREG BOUT
RECEIVER BATTERY
MICROPHONE
PROGRAMMER
Fig. Typical Assembly Diagram
TYPICAL PERFORMANCE CURVES
3kHz 1kHz
OUTPUT (dBV)
OUTPUT (dBV)
GA3203
-100
-100
INPUT (dBV)
INPUT (dBV)
Fig. High Frequency Gain Control (Tap 185k,
Fig. Frequency Gain Control (Tap 185k,
3kHz
3kHz
OUTPUT (dBV)
OUTPUT (dBV)
-100
-100
INPUT (dBV)
INPUT (dBV)
Fig. High Frequency Compression Ratio Control (Tap 184k)
Fig. AGC-I Threshold Control (Tap 45.5k)
3kHz
3kHz
OUTPUT (dBV)
OUTPUT (dBV)
-100
INPUT (dBV)
INPUT (dBV)
Fig. AGC-O Threshold Control (Tap 7.3k, 92k)
Fig. System Volume Control (Tap 92k)
3kHz
-70dBV
OUTPUT (dBV)
Squelch Closed
GAIN (dB)
-110 -105 -100 Squelch Open
GA3203
INPUT (dBV)
FREQUENCY (Hz)
Fig.11 Level Squelch Control
Fig. Crossover Frequency Pass (Tap 64k)
-70dBV
-70dBV
GAIN (dB)
GAIN (dB)
FREQUENCY (Hz)
FREQUENCY (Hz)
Fig. Crossover Frequency High Pass (Tap 64k)
Fig. Notch Frequency Control (Tap 460k)
-40dBV
1kHz
NOISE
NOISE
FREQUENCY (Hz)
INPUT LEVEL (dBV)
Fig. Noise Frequency
Fig. Noise Input Level
-40dBV 200Hz
4kHz 200Hz
GA3203
0.01 100k 0.01
FREQUENCY (Hz)
INPUT LEVEL (dBV)
Fig. Intermodulation Distortion (CCIF) Frequency
Fig. Intermodulation Distortion (CCIF) Input Level
-90dBV -70dBV -60dBV -50dBV -40dBV -30dBV
-80dBV
-70dBV 100k
GAIN (dBV)
GAIN (dBV)
FREQUENCY (Hz)
FREQUENCY (Hz)
Fig. Frequency Response Different Input Levels
Fig. Frequency Response Different External Volume Control Resistor Values
PACKAGE DIMENSIONS
LOCATIONS
0.128 (3.25)
GA3203 XXXXXX
0.200 (5.08)
0.065 (1.65)
POSITION 39.5 78.5 117.0 156.5 156.5 117.0 78.5 39.5 1.003 1.994 2.972 3.975 3.975 2.972 1.994 1.003 -4.0 -4.0 -4.0 -4.0 -67.5 -67.5 -67.5 -67.5 -71.5 -0.102 -0.102 -0.102 -0.102 -1.715 -1.715 -1.715 -1.715 -1.816
DIMENSION Xdim 29.0 30.0 28.0 29.0 30.0 30.0 29.0 28.0 30.0 29.0 0.737 0.762 0.711 0.737 0.762 0.762 0.737 0.711 0.762 0.737 Ydim 41.0 49.0
GA3203
49.0 49.0 49.0 48.0 48.0 48.0 48.0 40.0 1.041 1.245 1.245 1.245 1.245 1.219 1.219 1.219 1.219 1.016
0.0215 (0.546)
0.0285 (0.724)
Dimensions inches. Dimensions parenthesis millimetres converted from inches include minor rounding errors. 1.0000 inches 25.400mm Dimension tolerances: 0.003 (±0.08) unless otherwise stated. Minimum sizes: 0.0290 0.0400 (0.737 1.016). XXXXXX: work order number. This hybrid designed either point-to-point soldering reflow according Gennum's recommended reflow process (Information Note 521-45).
GENNUM CORPORATION
MAILING ADDRESS: P.O. 489, Burlington Ontario, Canada Tel. (905) 632-2996 fax: (905) 632-2814 SHIPPING ADDRESS: Fraser Drive, Burlington, Ontario, Canada
GENNUM JAPAN CORPORATION C-101, Miyamae Village, 2-10-42 Miyamae, Suginami-ku, Tokyo 168-0081, Japan Tel. 3334-7700 Fax: 3247-8839
REVISION NOTES: Error Correction.
latest product information, visit www.gennum.com
DOCUMENT IDENTIFICATION
PRELIMINARY DATA SHEET product pre-production phase specifications subject change without notice.
Gennum Corporation assumes responsibility circuits described herein makes representations that they free from patent infringement. ©Copyright October 1999 Gennum Corporation. rights reserved. Printed Canada
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