Technical Data AP 2000 Series 4 m.

General The equipment is homologated in several countries where the technical requirements are based on the CEPT Recommendation T/R 17. Frequency range: 68 - 88 MHZ Principle: Digital frequency synthesizer Number of channels: Max. 80 Channel spacing: 25 kHz or 20 kHz RF-bandwidth: typ. 2 MHz at 1 dB reduction Mode of operation: Simplex, semi-duplex and duplex Supply voltage: 12 V DC chassis negative - nom. 13,2V. DC-DC converter available for 6V, 24V and 12V chassis positive operation. A 220V AC supply is available too. Supply voltage variations: l0,8V to 15,6V Operation Temperature: -25C to + 60C Frequency stability: typ. +/- 10 ppm for the above specified temperature and supply voltage variations Loudspeaker: External 4 Ohm Microphone: 1 kOhm condenser microphone or 200 Ohm dynamic close talk micro- phone with push-button Antenna impedance: 50 Ohm. Power consumption: At 13,2 V reception approx. 0,25 A transmission (25W approx. 5,5A) ( 6W approx. 2,0A) Receiver Sensitivity: typ. 0,4uV ( E.M.F.) for 20 dB SINAD. Adjacent channel sensitivity: typ. 75 dB (CEPT Method) Spurious and image rejection: typ. 80 dB (CEPT Method) Intermodulation attenuation: typ. 71 dB (CEPT Method) Undesired conducted power: typ. O,5 nW Deemphasis: Following 6dB per octave curve from 0,3 to 3 KHz within +1-3dB relative level at 1000 Hz Audio output power: 3 Watts into 4 Ohm at 10 percent distortion, 13,2v supply voltage Output for microtelephone: 1mW in 300 Ohm Hum and noise: Typ 50 dB (SEPT Method) Function of limiter: Less than 1dB variation in out- put voltage for RF-input levels between luV and 100 mV EMF Transmitter Power output: without external PA: 6W+/- 0,5 dB from - 25C to + 60C and supply voltages between l0,8V and 15,6V with external PA: 25W + 0dB - 2dB from - 25C to + 60C and supply voltages between l0,8V and 15,6V Spurious outputs and harmonics: typ. each less than 2uW into 50 OHM Adjacent channel power: typ. 85dB below the output power Frequency deviation: max. +/- 5 kHz Preemphasis: Following 6dB per octave curve from 0,3 to 3 kHz within +1-3dB relative level at 1000 Hz Harmonic distortion: typ. 1 per cent at + 3kHz deviation and 1000 Hz modulation frequency Hum and noise: typ. 50 dB relative + 3kHz devi- ation and 1000 Hz modulation fre- quency (SEPT Method)