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

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