BK Precision 4070A User Manual Rev.2.2
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Main Output
Frequency: DC to 21.5 MHz, .01 Hz steps
Level: 4 mVp-p to 10.000 Vp -p, 1 mV steps (into 50 Ω)
or -44.0 dBm to +24.0 dBm, .1 dBm steps (into 50 Ω)
Level Accuracy: ± 1%
Flatness: ± .2 dB (DC-10 MHz), +0.4dB (10MHz – 21.5MHz)
@5vpp (into 50 Ω)
DC offset: 0V to ± 6.0 V, 1 mV steps (into 50 Ω)
Output impedance: 50 Ω Freq. accuracy: ± 10 ppm (.001%)
Spectral Purity (@ 5Vpp): > -35 dBc (12MHz-21.5 MHz), > -40 dBc
Distortion: 0.01Hz to 100KHz <1%
External Modulation Input
Max. level in: ±5V (10V p-p)
Input Impedance: 30 KΩ
Bandwidth: DC to 50 KHz
RS232 port
Asynchronous, no parity, 1 start bit, 1 stop bit.
Baud rate: Adjustable, 300 bps to 115.2 Kbps
Connector: DB9 female type
The carrier frequency for all modulation modes is
0 to 21.5000000 MHz, .01 Hz steps
Basic Sinewave (CW) Mode
Output frequency: 0 Hz to 21.500 MHz, .01 Hz steps
Frequency Modulation (FM) Mode
Int. modulation freq: 0 Hz to 10 KHz, 1 Hz steps
Ext. modulation freq: DC to 35 KHz
Peak frequency deviation: 0 Hz to ± 5.0 MHz, 1 Hz steps
Phase Modulation (PM) Mode
Int. modulation freq: 0 Hz to 10 KHz, 1 Hz steps
Ext. modulation freq: DC to 35 KHz
Peak phase deviation: 0 to ± 180 deg., 1 deg. steps
Sweep Mode
Start/Stop freq: 0 Hz to 21.500 MHz, .01 Hz steps
Linear or Log sweep, Continuous or Triggered, Up or Down
Sweep time: 1 mS to 60 Sec. 1 mS steps
Voltage Controlled Oscillator Mode (VCO)
Endpoint freqs: 0 Hz to 21.500 MHz, .01 Hz steps
Control input range: -5.0V to +5.0V
Control signal bandwidth: DC to 35 KHz
Burst Mode
Continuous or Triggered via Front Panel, RS232, or Ext. TTL
Duration: 1 mS to 99.999 Sec, 1 mS steps
Delay: 0 mS to 99.999 Sec, 1 mS steps
Dual Tone Multi Frequency (DTMF) Generate Mode
Dialing digits generated: 0 to 9, #, [, A,B,C,D
Duration: 1 mS to 10.000 Sec, 1 mS steps
Delay: 0 mS to 10.000 Sec, 1 mS steps
Dual Tone Generation Mode
Tone 1, Tone 2 Frequency: DC to 10.000 KHz, 1 Hz steps
Phase offset: 0 deg. to 359 deg., 1 deg. steps
Output On time: 1 mS to 10.000 Sec, 1 mS steps
Output Off time: 0 mS to 10.000 Sec, 1 mS steps
Function Generator Mode
Waveforms: Pos/Neg Ramp, Triangle, Exponential, Noise, Sine
Repetition rate: 0 Hz to 2 MHz in 1 Hz steps
Run mode: Continuous or Triggered
Binary Phase
Shift Keying (BPSK) Mode
Int. modulation freq: 0 Hz to 130 KHz, 1 Hz steps
Ext. modulation freq: 0 Hz to 10 KHz
Sync Output
Amplitude: 3.5V to +5V
Fall Time: 5 nS. Rise Time: 8 nS. 10% to 90%
Output current: ± 24 mA.
Ext. Trigger/Gating/FSK/BPSK input
Input impedance: 80 KΩ
Max. input level: ± 10V
Max. gating freq.: 3 MHz
General
Power: 100-240VAC 47-63 Hz, 30W, 3 prong IEC conn.
Display: 2 line by 40 character, LCD, backlit.
Weight: Approx. 3.5 lbs.
Dimensions: 5.1" x 9.3" x 10.2" (H x W x L)
Operating Temperature: 0 to 40 deg. C ambient.
Saved Instrument States: 10, including 1 power up state.
Amplitude Modulation (AM) Mode
Int. modulation freq: 0 Hz to 10 KHz, 1 Hz steps
Ext. modulation freq: DC to 35 KHz
Percentage modulation: 0% to 100%, 1% steps
Single Sideband (SSB) Mode
Int. modulation freq: 0 Hz to 3.0 MHz, 1 Hz steps
Ext. modulation freq: DC to 8.5 MHz
Upper or Lower Sideband selectable
Frequency Shift Keying (FSK) Mode
Int. modulation freq: 0 Hz to 130 KHz, 1 Hz steps
Ext. modulation freq: 0 Hz to 3 MHz
Mark/Space freq: 0 Hz to 21.5 MHz, .01 Hz steps
Data Modulation Mode
Baud Rate: 0 Hz to 130 KHz, 1 Hz steps
Message Length: 1 to 960 bits
Mark/Space freq: 0 Hz to 21.5 MHz, .01 Hz steps
Message nonvolatile storage: 10 locations
Power and Voltage Measurement Mode
Input signal level: ±5V max. (10V p-p)
Input signal bandwidth: DC to 50 KHz
Power calc. impedance: Variable from 1 to 999 ohms
Dual Tone Multi Frequency (DTMF) Detect Mode
DTMF digits detected: 0 to 9, #, [, A,B,C,D
Detection range: 10 Vp-p max., 20 mVp -p min.
Detection time: 100 mS
Arbitrary Waveform Generation Mode
Vertical resolution: 12 bits
Sample update rate: DC - 40 MHz in .01 Hz steps
Sample buffer depth: 32,768 points
Run mode: Continuous or Triggered
Waveform nonvolatile storage: 32,768 points, 1 location
Operating Mode: Int/Ext clock, Multi Unit Lock mode
Unit Lock Phase Adjustment: 0-359.99 deg, .01 deg steps
Pulse Generator Mode
Frequency: 0 Hz to 2 MHz in 1 Hz steps
Duty cycle: 0% to 100% in 1% steps
Tr, Tf: <40 nS (10% to 90%, 1Vp-p)
Variable in amplitude & offset. TTL/CMOS output also.
9.0 4070A Specifications
(1MHz-12MHz), > -45 dBc (100KHz-1MHz), > -50 dBc (DC-100KHz)