SPECTRAL PURITY

Residual FM

Less than 6 Hz RMS (0.3 to 3.4 kHz) up to 500 MHz

Less than 12 Hz RMS (0.3 to 3.4 kHz) up to 1.05 GHz

Harmonics

-25 dBc

Spurious Signals

Better than -50 dBc

SSB Phase Noise (20 kHz offset)

Better than -112 dBc/Hz up to 500 MHz

Better than -108 dBc/Hz up to 1 GHz

RF Carrier Leakage

Less than 0.5 µV PD generated in a 50

Ω load by a 2 turn loop

25 mm from the case. Output level less than -40 dBm into a sealed

50

Ω load.

AMPLITUDE MODULATION - INTERNAL

Frequency Range

400 kHz to 1.05 GHz

AM Depth Range

0 to 99%

Resolution

1%

Indication

2 digits

Setting

Keyboard entry, delta increment / decrement function and rotary con-

trol

Accuracy

For carrier frequencies from 1.5 MHz to 400 MHz

±5% at 50% for modulation frequency of 1 kHz.

±7% ± 1 digit for modulation frequency of 1 kHz.

±15% ±1 digit for modulation frequencies from 50 Hz to 15 kHz.

Distortion

Less than 2% at 1 kHz for 30% AM, CCITT weighted

Modulation Frequency

20 Hz to 20 kHz

AMPLITUDE MODULATION - EXTERNAL

Input Impedance

Nominally 10 k

Ω in parallel with 40 pF

Frequency Range

As internal AM

Modulation Frequency Range

As internal AM

Sensitivity

1 V RMS for 100% AM

FREQUENCY MODULATION - INTERNAL

Frequency Range

400 kHz to 1.05 GHz

Maximum Deviation

75 kHz

Indication

3 digits

Setting

Keyboard entry, delta increment/decrement function and rotary control

Accuracy (1)

±7% at 1 kHz modulating frequency

±10% at modulating frequencies from 50 Hz to 15 kHz

Distortion

Less than 1% at 1 kHz for deviation of 5 kHz, CCITT weighted

Modulation Frequency Range

20 Hz to 25 kHz

Resolution

25 Hz

Pre-emphasis

750 µs selectable

FREQUENCY MODULATION - EXTERNAL

Input Impedance

Nominally 10 k

Ω in parallel with 40 pF

Frequency Range

As internal FM

Modulation Frequency Range

DC to 100 kHz

Pre-emphasis

750 µs selectable

Sensitivity

1 VRMS for 0 to 75 kHz deviation

MICROPHONE INPUT

Input Level

2 mV to 200 mV (AGC levelled)

Input Impedance

Nominally 150

Ω

Press To Talk (PTT)

When using the optional microphone in Tx Test mode, the PTT will

switch instrument to Rx Test.

A

AU

UD

DIIO

O V

VO

OL

LT

TM

ME

ET

TE

ER

R

Input Impedance

Nominally 1 M

Ω in parallel with 40 pF

Frequency Range

DC and 50 Hz to 50 kHz

AC only 50 Hz to 50 kHz

Polarized DC (below 1 Hz)

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01/Dec/2004

10:07

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