Albrecht AE2990 AFS User manual

AE 2990 AFS
GENERAL SPECIFICATION
AM/FM TRANSMITTER
RF POWER OUTPUT AM 4.0 WATTS
FM 4.0 WATTS
MODULATION CAPABILITY AM 85%, FM 2KHz
SPURIOUS & HARMONIC SUPPRESSION LESS THAN –37 dBm below 1 GHz,
less than -54 dBm within the radio/ TV
ranges
FREQUENCY STABILITY better than +/-600 Hz
MICROPHONE SENSITIVITY
for 60% AM MODULATION or 1.2 kHz FM 3.0mV
A.M.C RANGE BETWEEN 50 TO 100% MODULATION 40dB
CURRENT DRAIN (NO MODULATION) : FM 4 Watt 1.2A
SSB TRANSMITTER
RF OUTPUT / POWER 4.0WATTS PEP
CARRIER SUPPRESSION MORE THAN 35 dB
UNWANTED SIDEBAND SUPPRESSION MORE THAN 50dB
HARMONIC SUPPRESSION better than –37 dBm / -54 dBm
CURRENT DRAIN AT FULL MODULATION 1.2A
RECEIVER
SENSITIVITY AM 0.5uV FOR 10dB(S+N) / N
FM 0.25uV FOR 10dB(S+N) / N
SSB 0.25uV FOR 10dB(S+N) / N
IMAGE REJECTION MORE THAN 40dB
IF REJECTION 60dB
ADJACENT CHANNEL REJECTION 60dB
CROSS MODULATION 50dB
SQUELCH RANGE ADJUSTABLE UP TO 1 mV
RF GAIN CONTROL 30dB
CLARIFIER RANGE ±0.6KHz
AUDIO OUTPUT POWER at LESS THAN 10% THD 500mW OUTPUT INTO 16 OHM Load
BATTERY DRAIN MAXIMUM : 250mA
NO SIGNAL : 100mA
Max. SINAD RATIO at 60 dBµV INPUT 40dB SINAD
S-METER SENSITIVITY 9 BAR appr. 100 µV EMF

ELECTRICAL SPECIFICATION
GENERAL
CHANNELS : AM. FM. USB. LSB 40CH
EMISSION TYPE : USB. LSB (J3E). AM(A3). FM(F3E).
CONTROLS : POWER ON/OFF VOLUME. CLARIFIER VOLUME
FUNC.ML/MS, SCAN/MSCAN, MODE/H.L, STEP/CH FREQ, CH9.19/LOCK ,
RPT, BEEP,RGB, CALL , RIGHT, +/- SHIFT,
RF-G / MIC-G./SQUELCH UP. DOWN. PTT.
JACKS : ANTENNA. EXTERNAL MIC. EXTERNAL SPEAKER. POWER
INDICATE : L. C. D. PANEL
FREQUENCY RESOLUTION : AM/FM/SSB 0.5KHz STEP
FREQUENCY RANGE AT CB : 26.565 to 27.405 MHz (German Band)
A BAND 25.165 – 25.605MHz
(450channel) B BAND 25.615 – 26.055MHz
C BAND 26.065 – 26.505MHz
D BAND 26.515 – 26.955MHz
E BAND 26.965 – 27.405MHz
F BAND 27.415 – 27.855MHz
G BAND 27.865 – 28.305MHz
H BAND 28.315 – 28.755MHz
I BAND 28.765 – 29.205MHz
J BAND 29.215 – 29.695MHz
FREQUENCY RANGE AT HAM Radio 28.000MHz to 29.690 MHz
SUPPLY VOLTAGE 9 x AA 1.2 V NiMH or 9 x AA 1.5 V Alkaline
or DC 13.2 V via car adapter
ANTENNA IMPEDANCE 50 ohm
SPEAKER IMPEDANCE : 16 ohm
OPERATING TEMPERATURE RANGE 0ºC TO 40ºC
DIMENSION : 169 H. X 63 W. X 39 D.

TRANSMITTER
UNIT NOMINAL LIMIT
1. RF POWER OUTPUT (NO MODULATION) AM W 4.0 3.6 – 4.3
FM W 4.0 3.6 – 4.3
SSB W 6.0 3.6 – 4.3
2. FREQUENCY TOLERANCE (25ºC) AM Hz 400 600
FM Hz 400 600
SSB Hz 300 400
3. MODULATION 100% CAPABILITY
( POSITIVE / NEGATIVE ) AM % 85/90 80/80
FM KHz 1.8 1.6-2.0
4. SPURIOUS EMISSION (2nd / 3rd -7th) AM dB -55 dBm -54 dBm
FM dB -55 dBm -54 dBm
SSB dB -56 dBm -54 dBm
5. MODULATION FREQUENCY RESPONSE
( 1 KHz / 0dB REFERENCE )
LOWER AT 450Hz EIA dB -6 -6±6
UPPER AT 2500Hz EIA dB -6 -6±6
6. MICROPHONE SENSITIVITY
60% MODULATION AM mV 3.0 5.0
1.2 KHz MODULATION FM mV 3.0 5.0
SSB 3W PEP OUTPUT SSB mV 3.0 5.0
7. AMC RANGE (BETWEEN 60 TO 100% MODULATION)
AM dB 50 40
FM dB 50 40
SSB dB 50 40
8. CURRENT DRAIN AM NO MODULATION A 1.0 1.2
AM 80% MODULATION A 1.5 1.8
SSB MAX W PEP TWO TONE A 1.0 1.2
9. MODULATION ATTACK TIME (AM) M/S 20 25
MODULATION RELEASE TIME (AM) M/S 350 100-500
10. CARRIER SUPPRESSION SSB dB -40 -35