1-6
Function: Upper and Lower sideband audio on separate lines in ISB mode.
Same signal on both lines in other modes.
Single-ended Line-level Audio Outputs:
Level: 10 mW into 600 ohms, one AC- coupled and one DC coupled.
Connector: DA-15, two pins each-line.
Function: Upper, lower, or both sidebands in ISB mode, software configured.
Mono/Stereo Headphones:
Level: 10 mW into 600 ohms per channel, front-panel volume control.
Connector: Front-panel 1/4” stereo phone jack.
Function: Monaural except in ISB, where USB and LSB are split in stereo
phones.
Monaural Speaker-Level Output:
Level: 1.5 W into 4 ohms at 10% THD, 4” internal or external speaker.
Front-panel volume control.
Connector: External, 1/4” rear-panel mono jack.
Function: Monaural monitoring, all modes.
Signal Monitor Delayed AGC:
Frequency: 455 kHz center (inverted, 1 kHz tuning step)
Bandwidth: 16 kHz (-6 dB).
Level: -10 dBm nominal (+1-3 dBm). AGC delayed 40 dB.
Impedance: 50 ohms nominal.
Connector: Rear panel BNC.
IF Output, Post DSP:
Frequency: 455 kHz center (inverted).
Bandwidth: Determined by IF filter selection.
Level: -10 dBm nominal (AGC leveled).
Impedance: 50 ohms nominal.
Connector: Rear panel BNC.
1st Mixer Out, Wideband:
Frequency: 45.455 MHz Center frequency (inverted, 1 kHz tuning step, no
AGC).
Bandwidth: Determined by preselector filter.
Level: -16 dB relative to RX input (Preamp and Attenuator OFF).
Impedance: 50 ohms nominal.
Connector: Rear panel BNC.
2nd Mixer Out, no AGC:
Frequency: 455 kHz center frequency (inverted, 1 kHz tuning steps).
Bandwidth: 16 kHz (-6 dB).
Level: 0 dB rel to RX input (PRESEL/ ATTN OFF).
Impedance: 50 ohms nominal.
Connector: Rear panel BNC.
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