Measurement conditions, Transmitter section, Receiver section – Uniden UH-088 User Manual

Page 29: T ransmitter section

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Measurement Conditions

Power Source

Antenna Impedance

Test Temperature

Modulation Frequency
Mean Signal Input Level

Reference Audio Output
Power
Reference Modulation

Deviation
Audio Output Load

: 13.8V (DC)
: 50 ohm
:25°C

: 1 kHz (RX/TX)

;1000 pV

: 500mW

; ±3 kHz deviation

: 8 ohms resistive

Transmitter Section

Frequency Tolerance at 25“C

(5 minutes after

turning on)

: ±0.5 kHz

Carrier Power

: 5W (max)

Spurious Emission

: -40 dBm

Current Drain

; 1500mA

Modulation Frequency Response (1 kHz, 0 dB reference, at 1 kHz deviation)

Lower at 500 Hz : -6 dB
Upper at 2.0 kHz : +5 dB

Microphone Sensitivity

for 3 kHz Deviation

: 1,5mV

Maximum Deviation

at 1 kHz
at 6 kHz

Receiver Section

Sensitivity at 12dB SINAD
Overall Audio Fidelity
(1 kHz, 0 dB reference)

Lower at 500 Hz
Upper at 2 kHz

Adjacent Channel

Selectivity (±25 kHz)

Maximum Audio Output

Power

Audio Output Power at

10%THD

Hum & Noise Ratio at

Input ImV

Squelch Sensitivity at

Threshold

Squelch Sensitivity at

Tight

Image Rejection Ratio

IF Rejection Ratio
Oscillator Dropout

Voltage

: ±4.5 kHz
: ±1.5 kHz (max)

0.23 pV or better

+4 dB

-6dB

70 dB

45 dB

0.1 pV

1 pV

55 dB

100 dB