MAXON

SP-300 HAND HELD

Transmitter Audio Distortion (Without CTCSS) . . . . . . . . . . . . < 5% @ 1 kHz

Hum & Noise:

12.5 kHz Channel Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 40 dB (with PSOPH)

25 kHz Channel Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 40 dB (with no PSOPH)

Load Stability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No osc at ³ 10:1 VSWR all phase angles and suitable antenna

Peak Deviation @ 1 kHz (Nom. Dev +20dB)

25 kHz Channel Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Max. 5.0 kHz 12.5 kHz Channel Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Max. 2.5 kHz

RECEIVER

Sensitivity (12dB Sinad) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UHF: < -117 dBm(.31µV) VHF: < -118 dBm(.28µV)

Amplitude Characteristic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < ±3 dB

Adjacent Channel Selectivity:

 

25 kHz Channel Spacing

>60 dB

12.5 kHz Channel Spacing

>50 dB

Spurious Response Rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 dB

Intermodulation Response Rejection . . . . . . . . . . . . . . . . . . . . . . 65 dB

Temperature Stability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0005% (-30°C to +60°C) Conducted and Radiated Spurious Emission. . . . . . . . . . . . . . . . Per FCC and IC Rules and Regulations AF Distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 5%

Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 dB/octave de-emphasized response in the range 300 Hz - 3000 Hz

RX Hum & Noise:

25 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 40 dB 12.5 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . < 40 dB

Page -3-

May 2001

Page 6
Image 6
Midland Radio SP-300 service manual Receiver, Peak Deviation @ 1 kHz Nom. Dev +20dB